Compaq AlphaServer 160 Manual de Serviço

Compaq Computer Corporation AlphaServer GS80/160/320 Service Manual Order Number: EK–GS320–SV. D01 This manual is for service providers who mainta

x 6.16 AC Input Box Removal and Replacement... 6-36 Appendix A Power Distribution Rules A.1 GS160/320 Power

1-78 AlphaServer GS80/160/320 Service Manual 1.20 H-switch Power Manager Module The h-switch power module (HPM) is a microprocessor controlled sub-

System Overview 1-79 Figure 1–35 is a drawing of the location of the H-switch power manager (HPM). For a functional description of the HPM, see Sec

1-80 AlphaServer GS80/160/320 Service Manual 1.21 PCI Subsystem The I/O subsystem consists of the local and remote I/O risers and the PCI box to whi

System Overview 1-81 Figure 1–36 shows all the major I/O subsystem components. The QBB backplane contains the IOP ASICs and two local I/O riser slo

1-82 AlphaServer GS80/160/320 Service Manual 1.21.2 PCI Backplane The PCI backplane contains the connectors for the remote I/O risers, PCI devices,

System Overview 1-83 Figure 1–37 shows the layout of the PCI backplane. All the PCI slots and riser slots are labeled. Note that the slot at the f

1-84 AlphaServer GS80/160/320 Service Manual 1.21.3 PCI Box Configuration Each QBB can have two I/O risers supporting up to two PCI boxes. A cable

System Overview 1-85 CAUTION: Installing a full-length module next to the standard I/O module requires extra care due to cabling on the standard I/

1-86 AlphaServer GS80/160/320 Service Manual 1.21.4 Standard I/O Module The standard I/O module is central to the system management architecture.

System Overview 1-87 The standard I/O module provides basic I/O device interfaces to allow the system to be tested, configured, and booted. These de

xi Appendix C Power-Up Diagnostic Error Table Appendix D Firmware Updates D.1 System Firmware That May Require Updates...

1-88 AlphaServer GS80/160/320 Service Manual 1.21.5 PCI Remote I/O Riser Module The PCI remote I/O riser module resides in the PCI box and provides

System Overview 1-89 The remote I/O riser module provides an interface between a single I/O cable and two PCI buses. Figure 1–40 is a block diagram

1-90 AlphaServer GS80/160/320 Service Manual 1.21.6 Console Serial Bus Node ID Module The console serial bus node ID module is mounted at the rear

System Overview 1-91 The PCI box console serial bus node ID module is a small board mounted at the right rear of the PCI box that provides the bulkh

1-92 AlphaServer GS80/160/320 Service Manual 1.21.7 Standard I/O Cable Interface The standard I/O cable interface module is located in the front to

System Overview 1-93 Figure 1–42 shows the standard I/O cable interface module. It is located in the front top right corner of the PCI box. A cabl

1-94 AlphaServer GS80/160/320 Service Manual 1.22 GS160/320 System Power Several components make up the power system for the AlphaServer GS160 and

System Overview 1-95 Major power components are described in the following sections except for the power modules in the QBB and the power managers.

1-96 AlphaServer GS80/160/320 Service Manual 1.22.1 AC Input Box (Three Phase) There are two variants of AC input boxes for system box based syste

System Overview 1-97 Figure 1–44 shows both the front and rear of the AC input box used in GS160/320 systems. Three phase AC input power is used in

xii Examples 1–1 Shutting Down a Partition... 1-40 2–1 System Control Manager P

1-98 AlphaServer GS80/160/320 Service Manual 1.22.2 48V Power Supply The 1600 watt power supply converts AC to 48 VDC and to Vaux (8.75 VDC) from a

System Overview 1-99 Figure 1–45 shows the 1600 watt 48V power supply. The power supply plugs into the power subrack. To differentiate it and the

1-100 AlphaServer GS80/160/320 Service Manual 1.22.3 Power Subrack The power subrack holds three power supplies that power a system box containing t

System Overview 1-101 Figure 1–46 shows the H7505 power supply subrack. It is placed in the power cabinet of GS160/320 systems. Power supplies sli

1-102 AlphaServer GS80/160/320 Service Manual 1.22.4 Power Distribution Panel and Power Cabinet Bulkhead The power distribution panel is located on

System Overview 1-103 Figure 1–47 shows the location and use of the power distribution panel which is part of the power subrack. The power distribu

1-104 AlphaServer GS80/160/320 Service Manual 1.23 GS80 System Power Six major components make up the power system for the AlphaServer GS80 systems

System Overview 1-105 Major power components are described in the following sections except for the power modules in the drawer and the power manage

1-106 AlphaServer GS80/160/320 Service Manual 1.23.1 AC Input Box (Single Phase) There are three variants of AC input boxes for GS80 systems. Onl

System Overview 1-107 Figure 1–49 shows both the front and rear of the AC input box used for GS80 systems. Single-phase AC input power is used in t

xiii 3–37 Fptest... 3-59 3–38 Fakedisk...

1-108 AlphaServer GS80/160/320 Service Manual 1.23.2 48V Power Supplies The 1000 watt power supply converts AC from the drawer based system AC inp

System Overview 1-109 Figure 1–50 shows the 1000 watt 48V power supply. The power supply plugs into the power subrack. To differentiate it and the

1-110 AlphaServer GS80/160/320 Service Manual 1.23.3 GS80 Power Subrack The power subrack holds three power supplies that power a drawer. Two su

System Overview 1-111 Figure 1–51 shows the H7504 power supply subrack. It is placed between the drawers and the AC input boxes. Power supplies sl

1-112 AlphaServer GS80/160/320 Service Manual 1.24 PCI Power Supply The PCI power supply converts AC input to DC voltages required by the PCI I

System Overview 1-113 Figure 1–52 shows the PCI power supply, which receives AC power from the AC input box. The supply plugs into the front of the

Power-Up 2-1 Chapter 2 Power-Up This chapter describes power-up testing and explains the power-up displays. The following topics are covered: •

2-2 AlphaServer GS80/160/320 Service Manual 2.1 Operator Control Panel The control panel is located at the top of the power cabinet. 2.1.1 Contro

Power-Up 2-3 The callouts in Figure 2–1 point to these components of the control panel. Secure LED – When lit, indicates that the keyswitch is

xiv 1–11 SMC Connections... 1-24 1–12 System Control Manager Block

2-4 AlphaServer GS80/160/320 Service Manual 2.1.2 Fluorescent Display Messages The vacuum fluorescent display is used to communicate the state and

Power-Up 2-5 Message Description ALERT: NO Valid MEM NO Valid CPU NO CPI & MEM NO Stdio Alerts provide information about

2-6 AlphaServer GS80/160/320 Service Manual 2.2 Power-Up Test Flow – Init. and Phase 0 After the initial setup, phase 0 tests the “local” QBBs. Fi

Power-Up 2-7 Power-up consists of an initialization phase followed by five test phases. The system control manager (SCM) firmware, run by the mi

2-8 AlphaServer GS80/160/320 Service Manual Figure 2– 2 Power-Up Flowchart – Init. and Phase 0 (Continued)

Power-Up 2-9 Table 2–2 lists the SROM tests run in phase 0. Table 2– 2 SROM Tests Test # Hex. Test Name Phase 0 Step 0 tests 1 Alpha CPU c

2-10 AlphaServer GS80/160/320 Service Manual Table 2–3 lists the XSROM tests run in phase 0. Table 2– 3 XSROM Tests Run in Phase 0 Test # Hex Test

Power-Up 2-11 Table 2– 3 XSROM Tests Run in Phase 0 (Continued) Test # Hex Test Name Phase 0 Step 3 tests continued 24 Local IOP error test 2

2-12 AlphaServer GS80/160/320 Service Manual 2.3 Power-Up Test Flow – Phase 1 Remote testing of QBBs is done in phase 1. Figure 2– 3 Power-Up Fl

Power-Up 2-13 During phase 1, “remote” testing of each QBB in the system is conducted if there is more than one QBB in the system. Remote means

xv 2–1 Control Panel... 2-2 2–2 Power-Up Flowchart – Init

2-14 AlphaServer GS80/160/320 Service Manual Table 2–4 lists the XSROM tests executed during phase 1. Table 2– 4 XSROM Tests Run in Phase 1 Test #

Power-Up 2-15 Table 2– 4 XSROM Tests Run in Phase 1 (Continued) Test # Hex Test Name Phase 1 Step 9 tests continued 42 Remote MEM0 scratch/B

2-16 AlphaServer GS80/160/320 Service Manual 2.4 Power-Up Test Flow – Phases 2, 3, and 4 During the final three phases, XSROM code assures cache c

Power-Up 2-17 The phase 2 test “victimizes” all cache blocks of all secondary CPUs. (The SP CPU “victimized” all its cache blocks at the end of

2-18 AlphaServer GS80/160/320 Service Manual 2.5 Power Applied – Vaux Present When power is applied, the microprocessors on the CSB execute their b

Power-Up 2-19 Example 2–1 shows the SCM monitor display for a four QBB system with eight CPUs. Auxiliary power is applied to the system when th

2-20 AlphaServer GS80/160/320 Service Manual Example 2– 1 System Control Manager Power-Up Display (Continued) SCM_E0> QBB0 Directory Module Add

Power-Up 2-21 The continuation of Example 2–1 shows the description of each QBB. In this particular system only QBBs 0 and 1 have local I/O ris

2-22 AlphaServer GS80/160/320 Service Manual 2.6 System Turned On Once the OCP switch is attended by the SCM firmware, the system can be turned on

Power-Up 2-23 Example 2–2 shows a continuation of the SCM console display after the OCP switch has been put in the On position. Refer to Examp

xvi 5–15 Terminal Server Removal... 5-28 5–16 Power Supply Removal ...

2-24 AlphaServer GS80/160/320 Service Manual Example 2– 2 SCM Power-Up Display (OCP On) (Continuation 1) Phase 0

Power-Up 2-25 QBB0 now Testing Step-9. | QBB0 now Testing Step-A. | QBB0 n

2-26 AlphaServer GS80/160/320 Service Manual Example 2– 2 SCM Power-Up Display (OCP On) (Continuation 2) Phase 2

Power-Up 2-27 Refer to continuation 3 of Example 2–2. Phase 2 begins. The pass/fail results of phase 1 are passed back to the SCM indicated

2-28 AlphaServer GS80/160/320 Service Manual Example 2– 2 SCM Power-Up Display (OCP On) (Continuation 3) System Primary QBB0 : 0

Power-Up 2-29 QBB 1 memory, 3 GB | QBB 2 memory, 3 GB | QBB 3 me

2-30 AlphaServer GS80/160/320 Service Manual Example 2– 2 SCM Power-Up Display (OCP On) (Continuation 4) probe I/O subsystem

Power-Up 2-31 Refer to continuation 4 of Example 2–2. The I/O subsystem is mapped. Each CPU in the system is identified, started, and initia

2-32 AlphaServer GS80/160/320 Service Manual Example 2– 2 SCM Power-Up Display (OCP On) (Continuation 5) starting console on CPU 7 |

Power-Up 2-33 Refer to continuation 5 of Example 2–2. Each secondary CPU starts the console, is initialized and ready to join the multiprocess

xvii B–12 Inval-to-Dirty, Full Block Write Coherency Store Flows ...B-36 D–1 Connecting a Laptop to the Local Terminal Port...

2-34 AlphaServer GS80/160/320 Service Manual 2.7 SROM/XSROM Error Reports SROM and XSROM errors are reported to the PSM, which passes the error inf

Power-Up 2-35 The SCM formats and prints SROM and XSROM errors found during power-up or when executing the diagnostics in user mode. Example 2–

2-36 AlphaServer GS80/160/320 Service Manual Example 2– 3 Examples of the SCM Error Display (Continued) Example 3 SCM_E0> test &pc0 52 Tes

Troubleshooting 3-1 Chapter 3 Troubleshooting This chapter describes various troubleshooting techniques including power-up testing and explains the

3-2 AlphaServer GS80/160/320 Service Manual 3.1 Troubleshooting During Power-Up Power problems may occur when powering up the system. Table 3–1

Troubleshooting 3-3 Table 3– 1 Power Problems (Continued) Symptom Possible Cause Indicators System does not power up/main blowers off CSB bus pr

3-4 AlphaServer GS80/160/320 Service Manual Table 3– 1 Power Problems (Continued) Symptom Possible Cause Indicators System or part of system doe

Troubleshooting 3-5 3.2 System Management Console Problems If the system management console connected to the local terminal port on a standard I/

3-6 AlphaServer GS80/160/320 Service Manual 3.3 Power-Up Display and Troubleshooting During power-up, any number of messages can appear either giv

Troubleshooting 3-7 Example 3–1 shows a memory error report in the middle of power-up. In this case memory failed self-test and the report shows t

xviii 4–3 FRU Cables... 4-7 4–4 Power States ...

3-8 AlphaServer GS80/160/320 Service Manual Table 3– 3 Fluorescent Display Messages Display Message Description AlphaServer GS-xxx Identifies th

Troubleshooting 3-9 Display Message Description ALERT: NO Valid MEM NO Valid CPU NO CPI & MEM NO Stdio Alerts provide info

3-10 AlphaServer GS80/160/320 Service Manual 3.4 Using the SCM Monitor There are several SCM commands that set the system environment, display con

Troubleshooting 3-11 Table 3– 4 SCM Commands (Continued) Command Description help or ? Display the list of SCM commands

3-12 AlphaServer GS80/160/320 Service Manual 3.4.2 Controlling Power The SCM commands, power on and power off behave differently depending upon whe

Troubleshooting 3-13 Table 3–5 describes the behavior of the power on/power off commands as they relate to whether the system is partitioned or not

3-14 AlphaServer GS80/160/320 Service Manual 3.4.3 Displaying and Setting Up the System Environment Two SCM commands are used to display and set s

Troubleshooting 3-15 Example 3– 3 Set Environment Variables SCM_E0> set hp_count 3 !setting up 3 partitions SCM_E0> set hp_qbb_mas

3-16 AlphaServer GS80/160/320 Service Manual 3.4.4 Displaying Configuration Information Several show commands provide system information. Example

Troubleshooting 3-17 Example 3– 5 Show system SCM_E0> show system Par hrd/csb CPU Mem IOR3 IOR2 IOR1 IOR0 GP QBB Dir PS Temp QBB#

xix Preface Intended Audience This manual is for service providers who maintain Compaq AlphaServer GS80/160/320 systems. Document Structure This manua

3-18 AlphaServer GS80/160/320 Service Manual Example 3– 6 Show status SCM_E0> show status AlphaServer GS320 RMC esca

Troubleshooting 3-19 Example 3–6 shows the results of the show status command, and Table 3–7 defines the entries. Show status reads the EEPROM on

3-20 AlphaServer GS80/160/320 Service Manual Example 3– 7 Show fru SCM_E0> show fru FRUname E Part# Serial# Model/Oth

Troubleshooting 3-21 QBB1.GP 00 -B4181-BA.A02 NI93470534 WF08LTA111 WFFW_LAB_PSM_DEV HSW8 00 B4187-AA.B01 NI93870439

3-22 AlphaServer GS80/160/320 Service Manual 3.4.5 Dealing With EEPROMs EEPROMs throughout the system record FRU identification and error informat

Troubleshooting 3-23 Example 3– 9 Build fru SCM_E0> build qbb2.psm 54-25074-01.J01 NI94570274 WF96LTA113 WF_FIRMWARE_LAB Example 3–9 is an

3-24 AlphaServer GS80/160/320 Service Manual 3.5 Running Diagnostics Using the SCM Monitor If the SRM console gets loaded, the SROM/XSROM diagnost

Troubleshooting 3-25 Example 3–12 shows a diagnostic session. Test masks stored in the NVRAM on the standard I/O module control power-up diagnosti

3-26 AlphaServer GS80/160/320 Service Manual Example 3– 12 Setting Up the Diagnostic Environment (Continued) SCM_E0> reset

Troubleshooting 3-27 As Example 3–12 continues, the callouts explain the progress of the diagnostic session. The reset command is executed. Even

Revised February, 2001 © 2001 Compaq Computer Corporation. Compaq, the Compaq logo, and AlphaServer registered in U.S. Patent and Trademark Office. O

xx • Appendix C, Power-Up Diagnostic Error Table, lists test numbers, errors, and the likely FRU if an SROM or XSROM diagnostic fails. • Appendix

3-28 AlphaServer GS80/160/320 Service Manual Example 3– 13 Various Test Commands SCM_E0> test &pc1 5

Troubleshooting 3-29 Test &pc1 5 is an example of using a test number to run a single test. The SCM command-line interface does not accept a

3-30 AlphaServer GS80/160/320 Service Manual 3.6 Using the SRM Console Several SRM commands can be used to set the system environment, power CPUs

Troubleshooting 3-31 3.6.2 Controlling Power with the SRM Through firmware callbacks from the SRM console to the SCM monitor, the SRM can power of

3-32 AlphaServer GS80/160/320 Service Manual Although you can power off a partition using the SCM power off – par x command, use the SRM power off

Troubleshooting 3-33 3.6.3 Displaying Configuration Information (SRM) Several show commands provide system information. Example 3– 20 Show confi

3-34 AlphaServer GS80/160/320 Service Manual PCI Bus 0 Hose 14 64 Bit, 33 MHz PCI rev 2.1 compliant PCI Bus 1 Hose 15 64 Bit,

Troubleshooting 3-35 0 1 4 2 GB 00000000000 Total Available 4 GB 8-Way Interleave Board Set Array Size

3-36 AlphaServer GS80/160/320 Service Manual 3 0 1 1 4-7 14 1 3 0 1-3 15 1 3 1 4-7 16 2

Troubleshooting 3-37 dqd0.0.0.15.20 TOSHIBA CD-ROM XM-6302B 19 Acer Labs M1543C USB Slot Option H

xxi Information on the Internet Visit the following Web sites for service tools and more information about the AlphaServer GS80/160/320 systems: Alpha

3-38 AlphaServer GS80/160/320 Service Manual QBB0. 00 54-25045-01.A01 NI93900000 WF08LTA111 QBB0.PSM 00 B12345-AA.H02

Troubleshooting 3-39 QBB1.MEM1.DIM1 00 54-24941-EA.C03 AY923A"! QBB1.MEM1.DIM2 00 54-24941-EA.C03 A

3-40 AlphaServer GS80/160/320 Service Manual QBB3.MEM0.DIM3 00 54-24941-EA.C03 AY923>&! QBB3.MEM0.DIM4

Troubleshooting 3-41 The SRM show fru command identifies a few more FRUs than the SCM show fru command. See Table 3–8 for an explanation of the fi

3-42 AlphaServer GS80/160/320 Service Manual Example 3– 23 Csr <csr_espression> P00>>> csr qbb0.*err_sum CSR Name

Troubleshooting 3-43 Example 3– 24 Csr <csr_expression> <data> P00>>> csr QBB0.QSD.CPU0_SCRATCH CSR Name

3-44 AlphaServer GS80/160/320 Service Manual Example 3– 25 Wf show cpu P00>>> wf show cpu CPU 0 partition 0 Type 0000000900

Troubleshooting 3-45 START_PFN: 00800000 PFN_COUNT: 001fffe0 PFN_TESTED: 001fffe0 BITMAP_VA: 0000000000000000 BITMAP_PA: 00000013fffc0000 2097120

3-46 AlphaServer GS80/160/320 Service Manual 3.7 Running Diagnostics from the SRM Console The test command exercises major system components seque

Troubleshooting 3-47 Table 3– 10 Diagnostic Environment Variables (Continued) Environment Variable Description d_passes Specifies the number of

3-48 AlphaServer GS80/160/320 Service Manual 3.7.2 Background Testing and Display Several tests can be run in the background freeing the console f

Troubleshooting 3-49 Example 3– 29 Show_status P00>>> show_status ID Program Device Pass Hard/Soft Bytes Written By

3-50 AlphaServer GS80/160/320 Service Manual Example 3– 31 Kill <process id> P00>>> memexer memtest -bs 1000000 -rb -p 0 & me

Troubleshooting 3-51 Example 3– 32 Ps P00>>> ps ID PCB Pri CPU Time Affinity CPU Program State -------- -------- --- ---

3-52 AlphaServer GS80/160/320 Service Manual 3.7.3 Testing and Exercising the System The SRM test command tests the hardware in the system or har

Troubleshooting 3-53 Example 3– 34 Sys_exer P00>>> sys_exer Default zone extended at the expen

3-54 AlphaServer GS80/160/320 Service Manual Example 3–29 for the display of the show_status command related to sys_exer. Example 3– 35 Exer P0

Troubleshooting 3-55 • A read operation reads from a specified device into a buffer. • A write operation writes from a buffer to a specified devi

3-56 AlphaServer GS80/160/320 Service Manual Table 3– 11 Exer Options -sb start_block Specifies the starting block number (hex). The default is

Troubleshooting 3-57 Table 3– 11 Exer Options (Continued) - Seek to file offset prior to last read or write ? Seek to a random block offset wit

System Overview 1-1 Chapter 1 System Overview The AlphaServer GS80/160/320 systems have two different design centers: one with a small footprint and

3-58 AlphaServer GS80/160/320 Service Manual Example 3– 36 Memexer P00>>> memexer 3 memtest -bs 1000000 -rb -p 0 & memtest -bs 1000

Troubleshooting 3-59 Example 3– 37 Fptest P00>>> fptest &p4 & P00>>> ps ID PCB Pri CPU Time Affinity CPU P

3-60 AlphaServer GS80/160/320 Service Manual Example 3– 38 Fakedisk P00>>> fakedisk a 10 P00>>> fakedisk *

Troubleshooting 3-61 Example 3– 39 Nettest P00>>> nettest ei* P00>>> nettest –mode in ew* P00>&g

3-62 AlphaServer GS80/160/320 Service Manual 3.7.4 Running SRM Loadable Diagnostics Each system comes with an Alpha Systems Firmware CD-ROM. On t

Troubleshooting 3-63 Not all diagnostics are run at power-up. In order to run loadable console controlled diagnostics, an expanded SRM console mus

3-64 AlphaServer GS80/160/320 Service Manual Example 3– 41 Acer_bridge_diag P01>>> set d_trace on | P01>>> set d_g

Troubleshooting 3-65 Example 3– 42 Acer_io_diag P01>>> set d_trace on | P01>>> set d_group mfg | P01>

3-66 AlphaServer GS80/160/320 Service Manual Example 3– 43 Acer_8042_diag P01>>> set d_trace on | P01>>> set d_group

Troubleshooting 3-67 Example 3– 44 Isp1020_diag P01>>> set d_trace on | P01>>> set d_group mfg | P01>&g

1-2 AlphaServer GS80/160/320 Service Manual 1.1 GS160/320 System Cabinets Two cabinets are required for a GS160 system; three are required for a GS

3-68 AlphaServer GS80/160/320 Service Manual Example 3– 45 Bq4285_diag P01>>> set d_trace on | P01>>> set d_group mf

Troubleshooting 3-69 Example 3– 46 Isa_misc_diag P01>>> set d_trace on | P01>>> set d_group mfg | P01>&

3-70 AlphaServer GS80/160/320 Service Manual 3.7.5 Crashing the System Use the crash command to obtain a crash dump of the system. Example 3– 47

Troubleshooting 3-71 The crash command causes an operating system to halt and write the contents of memory to a file that can later be analyzed. C

3-72 AlphaServer GS80/160/320 Service Manual 3.8 Troubleshooting with LEDs Diagnostic LEDs are visible only when cabinet doors are open and facepla

Troubleshooting 3-73 Figure 3–1 shows the location and condition (on or off) of LEDs on the OCP, AC input box, 48V power supply, PCI power supply,

3-74 AlphaServer GS80/160/320 Service Manual Figure 3– 1 System LEDs (Continued) Figure 3–1 continued shows the location and normal condition (o

Troubleshooting 3-75 CPU LED – If the Run LED is off when it should be on, the CPU could be broken. H-switch power manager LEDs – If the DC OK LED

3-76 AlphaServer GS80/160/320 Service Manual 3.9 Dealing with a Hung System Troubleshooting a hung system depends upon what was running at the tim

Troubleshooting 3-77 Troubleshooting a hang is difficult. The suggestions in Table 3–12 are intended to give you a start. There are some causes yo

System Overview 1-3 Figure 1–1 shows the front view of the GS320 system cabinets. Systems from 1 to 32 CPUs, from 4 Gbytes to 256 Gbytes of memory,

3-78 AlphaServer GS80/160/320 Service Manual 3.9.1 Troubleshooting a Diagnostic Hang SROM and XSROM diagnostics report to the SCM monitor that th

Troubleshooting 3-79 Refer to Example 3–48. SROM/XSROM diagnostics are expected to complete in a certain amount of time. If that time is exceeded

3-80 AlphaServer GS80/160/320 Service Manual Example 3– 48 Diagnostic Hang (Continued) SCM_EF> QBB0 now Testing Step-6

Troubleshooting 3-81 Despite the hang in the two QBBs, power-up continues on the CSB. The PCI box with the standard I/O module is not connect

3-82 AlphaServer GS80/160/320 Service Manual 3.9.2 Troubleshooting a Diagnostic Fault SROM and XSROM diagnostics report faults to the SCM monitor

Troubleshooting 3-83 Now waiting 10 seconds after HPM reset ******* Waiting 5 seconds before sending restart to PSMs SCM_E

3-84 AlphaServer GS80/160/320 Service Manual 3.10 Dealing with Corrupt Firmware Each microprocessor on the CSB runs firmware located in flash ROMs

Troubleshooting 3-85 Initially on power-up or reset each microprocessor on the CSB runs a fail-safe loader image and the microprocessor is said to

3-86 AlphaServer GS80/160/320 Service Manual 3.11 Error Detection Error detection is distributed throughout the system. Figure 3– 2 Core System

Troubleshooting 3-87 and PALcode builds a 660 system uncorrectable error frame that is deposited in the error log. If the CPU detects the error, a

1-4 AlphaServer GS80/160/320 Service Manual 1.2 GS160/320 System Building Block The basic system building block for these systems is the quad build

3-88 AlphaServer GS80/160/320 Service Manual 3.12 Compaq Analyze Compaq Analyze is the error analysis tool used to analyze errors. The tool runs a

Troubleshooting 3-89 Figure 3–3 is an example of what you might see when running Compaq Analyze manually using a Web browser. There are two method

3-90 AlphaServer GS80/160/320 Service Manual 3.12.2 Problem Found Report Compaq Analyze runs in the background and continually analyzes binary ent

Troubleshooting 3-91 available to help identify the source of the error. This error bit is implemented as a copy of the Valid bit in the MEM_RD_UCE

3-92 AlphaServer GS80/160/320 Service Manual Example 3– 50 Problem Found (Continued) FRU List: Warning : FRU Configuration Data Not Av

Troubleshooting 3-93 Fru Chasis : - Fru Assembly : - Fru SubAssembly : - Fru Slot : - Probability : Medium

3-94 AlphaServer GS80/160/320 Service Manual 3.12.3 Description of the Error (660) If you want to view the error log entry, select the appropriate

Troubleshooting 3-95 Each event in the error log has a common event header that contains the information between callout and callout . Callou

3-96 AlphaServer GS80/160/320 Service Manual Example 3– 51 Compaq Analyze Error Report (Continued) START OF SUBPACKETS IN THIS

Troubleshooting 3-97 The memory subpacket for memory module 1 in QBB0 is identified. The memory error summary register shows that an uncorrecta

System Overview 1-5 Figure 1–2 shows a QBB backplane and its connectors. Module locations are identified by callouts. 48V/Vaux power connector (p

3-98 AlphaServer GS80/160/320 Service Manual Example 3– 51 Compaq Analyze Error Report (Continued)

Troubleshooting 3-99 However, the uncorrectable read error trap shows a valid uncorrectable error. The correctable write error traps show no e

3-100 AlphaServer GS80/160/320 Service Manual Example 3– 52 Problem Found (680) Problem Found: There is a Vital Power Failure in the Firebox at

Troubleshooting 3-101 Firmware Rev : - Site Location : - Cabinet Id : Firebox Power Cabinet Position : Front, Second from Top Chassis

3-102 AlphaServer GS80/160/320 Service Manual COMMON EVENT HEADER (CEH) V2.0 OS_Type 1 -- Tru64 UNIX Hardware_Arch 4 -- Alpha CEH_Vendor_ID 3

Troubleshooting 3-103 PSM System Event Frame Subpacket - Version 1 PSM_Elapsed_Time_Since_Srm_Boot 1,036 Seconds Since Last Console Boot PSM_Info

3-104 AlphaServer GS80/160/320 Service Manual PSM System Event Frame Subpacket - Version 1 PSM_Elaps_Time_Since_Srm_Boot 1,036 Seconds Since Las

Troubleshooting 3-105 Example 3– 53 620 Error Report COMMON EVENT HEADER (CEH) V2.0 OS_Type 1 -- Tru64 UNIX Hardware_Arch 4 -- Alpha CEH_Ve

3-106 AlphaServer GS80/160/320 Service Manual mm_stat x0000 0000 0000 0000 Memory Management Status Register opcode[9:4] x00 Opcode of the

Troubleshooting 3-107 valid[63] x0 Error information is NOT valid MEM_RD_CE_TRAP_2 x0000 0000 0000 0000 Memory Correctable Read Error Trap

1-6 AlphaServer GS80/160/320 Service Manual 1.3 GS160/320 System Box A system box contains two QBBs back to back. Figure 1– 3 System Box (rear

3-108 AlphaServer GS80/160/320 Service Manual arb_bus[37:0] x00 0000 0000 ArbBus Snapshot wrap[1:0] x0 Data Wrapping Order addr[31:2] x0000 000

Troubleshooting 3-109 Example 3– 54 630 Error Report COMMON EVENT HEADER (CEH) V2.0 OS_Type 1 -- Tru64 UNIX Hardware_Arch 4 -- Alpha CEH_Ve

GS160/320 Component Removal and Replacement 4-1 Chapter 4 GS160/320 Component Removal and Replacement This chapter describes the removal and replace

4-2 AlphaServer GS80/160/320 Service Manual 4.1 System Safety These systems use a great deal of power. Use appropriate safety precautions when w

GS160/320 Component Removal and Replacement 4-3 Table 4–1 lists the various power and mechanical hazards in the system. Use caution when servicing

4-4 AlphaServer GS80/160/320 Service Manual 4.2 FRU List Table 4– 2 Field-Replaceable Unit Part Numbers CPU Modules B4125-xx 4 MB cache (EV67 ba

GS160/320 Component Removal and Replacement 4-5 Table 4– 2 Field-Replaceable Unit Part Numbers (Continued) Console Serial Bus Modules 54-25125-01

4-6 AlphaServer GS80/160/320 Service Manual Table 4– 2 Field-Replaceable Unit Part Numbers (Continued) Drawer Modules B4172-xx Drawer riser B417

GS160/320 Component Removal and Replacement 4-7 Table 4– 2 Field-Replaceable Unit Part Numbers (Continued) Fans 12-23609-26 PCI fan 12-45727-01

System Overview 1-7 Figure 1–3 shows the rear view of a system box. Each CPU and each memory module is assigned a physical ID associated with the s

4-8 AlphaServer GS80/160/320 Service Manual Table 4– 3 FRU Cables (Continued) Cable Description From To 17-04713-01 50 pin sig cable Power cab

GS160/320 Component Removal and Replacement 4-9 Table 4– 3 FRU Cables (Continued) Cables Description From To 17-04845-01 Power cable Power subr

4-10 AlphaServer GS80/160/320 Service Manual 4.3 FRU Power States Defined With operating system support, these systems can operate in power states

GS160/320 Component Removal and Replacement 4-11 Table 4– 5 FRU Power Swap States FRU Hot Warm Cold AC Off Comments CPU OS commands Me

4-12 AlphaServer GS80/160/320 Service Manual 4.3.1 Hot-Swapping a FRU The hardware supports three FRUs that can be removed while power is applied

GS160/320 Component Removal and Replacement 4-13 4.3.2 Warm-Swapping a FRU Only FRUs in partitioned GS160/320 systems can be placed in a warm-swap

4-14 AlphaServer GS80/160/320 Service Manual 4.3.3 Cold-Swapping a FRU FRUs that require a cold-swap state are all modules in GS80 systems except

GS160/320 Component Removal and Replacement 4-15 4.3.4 Getting a FRU into the AC Off State FRUs that require AC Off are system backplanes, clock mo

4-16 AlphaServer GS80/160/320 Service Manual 4.4 System Box Module Location and Identification QBB and slot identify module locations. Since glob

GS160/320 Component Removal and Replacement 4-17 Figure 4– 2 System Box Module Location (front) CPU0CPU1CPU2CPU3MEM0MEM1MEM2MEM3DIRClock splitterA

Japanese Notice Canadian Notice This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. A

1-8 AlphaServer GS80/160/320 Service Manual 1.4 GS80 Rack Cabinet The AlphaServer GS80 system is in a single rack cabinet. Figure 1– 4 GS80 Rack

4-18 AlphaServer GS80/160/320 Service Manual 4.4.1 Power Color Codes Each system box, power subrack, and AC input box outlets and circuit breakers

GS160/320 Component Removal and Replacement 4-19 Figure 4–3 shows the front of a GS320 system showing the power system color codes assigned to each

4-20 AlphaServer GS80/160/320 Service Manual 4.4.2 Module Color Codes All modules that plug into a QBB are color-coded. Figure 4– 4 Slot Color C

GS160/320 Component Removal and Replacement 4-21 Each module placed in a QBB is color-coded to correspond to both system box and drawer color-coded

4-22 AlphaServer GS80/160/320 Service Manual 4.5 System Box Module Access All doors on GS160 and GS320 systems have locks, and access to almost al

GS160/320 Component Removal and Replacement 4-23 Access to system box modules both front and back requires opening the system cabinet doors and remo

4-24 AlphaServer GS80/160/320 Service Manual 4.5.1 Memory, Directory, Main Power, or Auxiliary Power Module Removal and Replacement Each of thes

GS160/320 Component Removal and Replacement 4-25 Module Removal 1. If the system is not partitioned, shut down the operating system and issue the S

4-26 AlphaServer GS80/160/320 Service Manual 4.5.2 CPU Removal and Replacement The CPU is a hot-swap module. Figure 4– 7 Removing a CPU 1For

GS160/320 Component Removal and Replacement 4-27 Module Removal 1. If the operating system supports hot-swap CPU, enter the appropriate OS command

System Overview 1-9 Figure 1–4 shows the front view of the GS80 rack system. A GS80 can have from one to eight CPUs, from 1 Gbyte to 64 Gbytes of m

4-28 AlphaServer GS80/160/320 Service Manual 4.5.3 Power System Manager Removal and Replacement Since the firmware on a spare PSM could be out or

GS160/320 Component Removal and Replacement 4-29 Module Removal 1. If the system is not partitioned, shut down the operating system and put the OCP

4-30 AlphaServer GS80/160/320 Service Manual 4.5.4 Clock Splitter Module Removal and Replacement Located next to the global port, the clock splitt

GS160/320 Component Removal and Replacement 4-31 Module Removal 1. If the system is not partitioned, shut down the operating system and issue the S

4-32 AlphaServer GS80/160/320 Service Manual 4.5.5 Local I/O Riser Removal and Replacement The local I/O riser modules can be removed without remo

GS160/320 Component Removal and Replacement 4-33 Module Removal 1. If the operating system supports hot-swap I/O, enter the appropriate OS command

4-34 AlphaServer GS80/160/320 Service Manual 4.5.6 Global Port Module Removal and Replacement The global port is the module closest to the distrib

GS160/320 Component Removal and Replacement 4-35 4. Remove the EMI cover off either the H-switch or distribution board housing that is adjacent to

4-36 AlphaServer GS80/160/320 Service Manual 4.5.7 Memory or Directory DIMM Removal and Replacement DIMMs for memory and for the directory are dif

GS160/320 Component Removal and Replacement 4-37 Removal 1. Remove the target directory or memory module. Follow the procedure described in Sectio

1-10 AlphaServer GS80/160/320 Service Manual 1.5 GS80 System Drawer The system drawer QBB is the building block for the smaller system. The drawer

4-38 AlphaServer GS80/160/320 Service Manual 4.5.8 System Box Removal and Replacement If a QBB backplane requires replacement, the system box is r

GS160/320 Component Removal and Replacement 4-39 Removal (Requires two people) 1. If the system is not partitioned, shut down the operating system

4-40 AlphaServer GS80/160/320 Service Manual 4.6 GS160 Distribution Board Assembly Modules Modules in the distribution board assembly are the dist

GS160/320 Component Removal and Replacement 4-41 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip the

4-42 AlphaServer GS80/160/320 Service Manual 4.6.2 Dual-Output Clock Module Removal and Replacement The dual-output clock module provides the cloc

GS160/320 Component Removal and Replacement 4-43 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip th

4-44 AlphaServer GS80/160/320 Service Manual 4.6.3 Console Serial Bus Module Removal and Replacement All AC power must be off when removing this m

GS160/320 Component Removal and Replacement 4-45 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip the

4-46 AlphaServer GS80/160/320 Service Manual 4.7 Hierarchical Switch Assembly Modules Several parts in the hierarchical switch assembly can be rep

GS160/320 Component Removal and Replacement 4-47 Removal (This procedure requires two people.) The hierarchical switch FRU comes cabled for a GS160

System Overview 1-11 Figure 1–5 shows a system drawer backplane and the location of module and cable connectors. Connectors for global port cables

4-48 AlphaServer GS80/160/320 Service Manual 4.7.2 H-switch Power Supply Removal and Replacement You can hot swap a redundant power supply in the

GS160/320 Component Removal and Replacement 4-49 Removal 1. Open the system cabinet rear door(s). 2. If you are removing PS1, in Figure 4–18, re

4-50 AlphaServer GS80/160/320 Service Manual 4.7.3 H-switch Clock Module Removal and Replacement All AC power must be off when removing this modul

GS160/320 Component Removal and Replacement 4-51 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip the

4-52 AlphaServer GS80/160/320 Service Manual 4.7.4 H-switch Power Manager Removal and Replacement All AC power must be off when removing this modu

GS160/320 Component Removal and Replacement 4-53 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip the

4-54 AlphaServer GS80/160/320 Service Manual 4.7.5 Console Serial Bus Module Removal and Replacement All AC power must be off when removing this m

GS160/320 Component Removal and Replacement 4-55 Removal 1. Shut down the operating system(s), put the OCP switch in the Off position, and trip the

4-56 AlphaServer GS80/160/320 Service Manual 4.8 System Cabinet Blower Removal and Replacement The QBBs in the cabinet from which the blower will

GS160/320 Component Removal and Replacement 4-57 Removal 1. If the system is partitioned and is a GS320, operating systems running in the cabinet t

1-12 AlphaServer GS80/160/320 Service Manual 1.6 Operator Control Panel The control panel is located in the front door of the power cabinet. It has

Power Cabinet Component Removal and Replacement 5-1 Chapter 5 Power Cabinet Component Removal and Replacement This chapter describes the removal and

5-2 AlphaServer GS80/160/320 Service Manual 5.1 PCI Modules The PCI boxes are mounted in power or expander cabinets. Except for the power supply, s

Power Cabinet Component Removal and Replacement 5-3 PCI Box Access 1. Remove the I/O resources from the operating system by whatever means necessa

5-4 AlphaServer GS80/160/320 Service Manual 5.1.1 Standard I/O Module Removal and Replacement The standard I/O module is located at the far right o

Power Cabinet Component Removal and Replacement 5-5 Removal 1. If the operating system in control of the PCI containing the target FRU supports hot

5-6 AlphaServer GS80/160/320 Service Manual 5.1.2 Console Serial Bus Node ID Module Removal and Replacement The CSB node ID module is located in th

Power Cabinet Component Removal and Replacement 5-7 2. If the system is not partitioned, shut down the operating system and issue the SRM power off

5-8 AlphaServer GS80/160/320 Service Manual 5.1.3 Remote I/O Riser Removal and Replacement Two remote I/O riser modules are located in slots marked

Power Cabinet Component Removal and Replacement 5-9 Removal 1. If the operating system in control of the PCI containing the target FRU supports hot

System Overview 1-13 The callouts in Figure 1–6 point to these components on the control panel. Secure LED – When lit, indicates that the keyswit

5-10 AlphaServer GS80/160/320 Service Manual 5.1.4 PCI Option Removal and Replacement The PCI option to be removed may be in any of the 14 PCI slot

Power Cabinet Component Removal and Replacement 5-11 Removal 1. If the operating system in control of the PCI containing the target FRU supports ho

5-12 AlphaServer GS80/160/320 Service Manual 5.1.5 PCI Backplane Removal and Replacement To remove a PCI backplane, the entire PCI box must be remo

Power Cabinet Component Removal and Replacement 5-13 2. If the system is not partitioned, shut down the operating system and issue the SRM power of

5-14 AlphaServer GS80/160/320 Service Manual 5.1.6 PCI Fan Removal and Replacement The PCI fans are located in the power section of the PCI box. Fi

Power Cabinet Component Removal and Replacement 5-15 3. If the system is partitioned, from the console connected to the partition to which the PCI

5-16 AlphaServer GS80/160/320 Service Manual 5.1.7 DVD/CD-ROM Player Removal and Replacement The DVD/CD-ROM player is located in the front of any m

Power Cabinet Component Removal and Replacement 5-17 it to continue to operate, follow operating system procedures to put the local I/O riser into t

5-18 AlphaServer GS80/160/320 Service Manual 5.1.8 SCSI (FIS) Disk Removal and Replacement The SCSI disk is located above the standard I/O interfac

Power Cabinet Component Removal and Replacement 5-19 Removal 1. If the operating system in control of the PCI containing the target FRU supports ho

1-14 AlphaServer GS80/160/320 Service Manual 1.7 Hierarchical System Architecture AlphaServer GS80/160/320 systems are distributed shared-memory mul

5-20 AlphaServer GS80/160/320 Service Manual 5.1.9 Standard I/O Cable Interface Removal and Replacement The standard I/O cable interface module is

Power Cabinet Component Removal and Replacement 5-21 Removal 1. If the operating system in control of the PCI containing the target FRU supports ho

5-22 AlphaServer GS80/160/320 Service Manual 5.1.10 PCI Power Supply Removal and Replacement The PCI power supply is located in the front of PCI b

Power Cabinet Component Removal and Replacement 5-23 Removal 1. Open the front door of the power cabinet or expander cabinet depending upon where t

5-24 AlphaServer GS80/160/320 Service Manual 5.1.11 Standard I/O Battery Removal and Replacement The time of year clock battery has a theoretical l

Power Cabinet Component Removal and Replacement 5-25 WARNING: Danger of explosion if battery is installed incorrectly. Replace only with the sam

5-26 AlphaServer GS80/160/320 Service Manual 5.2 Operator Control Panel Removal and Replacement The OCP is contained in a plastic shroud at the top

Power Cabinet Component Removal and Replacement 5-27 Removal 1. Shut down the operating system(s) 2. Open the rear door. 3. Trip the main circu

5-28 AlphaServer GS80/160/320 Service Manual 5.3 Terminal Server Removal and Replacement The terminal server is located just above the AC input box

Power Cabinet Component Removal and Replacement 5-29 Removal Conceivably the system could be running and doing useful work while the terminal server

System Overview 1-15 Figure 1–7 shows a single QBB. CPUs access memory and I/O through the local 11-port switch. In a four-processor (4-P) system,

5-30 AlphaServer GS80/160/320 Service Manual 5.4 48V Power Supply Removal and Replacement Under certain conditions 48V power supplies may be hot sw

Power Cabinet Component Removal and Replacement 5-31 Removal 1. Open the front door of the power cabinet. 2. Locate the power supply that needs t

5-32 AlphaServer GS80/160/320 Service Manual 5.5 Power Subrack Removal and Replacement AC must be removed from the power subrack for it to be remov

Power Cabinet Component Removal and Replacement 5-33 Removal 1. Remove the QBBs in the affected system box from use, by shutting down the instance

5-34 AlphaServer GS80/160/320 Service Manual 5.6 AC Input Box Removal and Replacement The AC input box must be unplugged in order for it to be remo

Power Cabinet Component Removal and Replacement 5-35 If an AC input box failed, QBBs in one of the system cabinets are not operating. If your syst

GS80 Component Removal and Replacement 6-1 Chapter 6 GS80 Component Removal and Replacement This chapter describes the removal and replacement proc

6-2 AlphaServer GS80/160/320 Service Manual 6.1 Drawer Modules The GS80 system uses the same modules as the GS160/320 systems with the exception of

GS80 Component Removal and Replacement 6-3 Figure 6–1 shows the location and color codes of modules that plug into the GS80 backplane. There is no

1-16 AlphaServer GS80/160/320 Service Manual 1.7.2 The Secondary Switch The global port performs second-level switching and along with the director

6-4 AlphaServer GS80/160/320 Service Manual 6.1.1 Accessing a Single or Top Drawer in a GS80 System To access a single or the top drawer in a two-

GS80 Component Removal and Replacement 6-5 Under most circumstances, when replacing FRUs in any drawer, the drawer must have its 48V power off. On

6-6 AlphaServer GS80/160/320 Service Manual 6.1.2 Accessing a Bottom Drawer in a GS80 System The drawers must be separated to access the bottom dr

GS80 Component Removal and Replacement 6-7 Before you open the drawers to remove FRUs in a bottom drawer, follow instructions regarding the operati

6-8 AlphaServer GS80/160/320 Service Manual 6.2 Memory, Directory, Main Power, or Auxiliary Power Module Removal and Replacement Each of these mod

GS80 Component Removal and Replacement 6-9 Module Removal 1. If the system is not partitioned, shut down the operating system and issue the SRM po

6-10 AlphaServer GS80/160/320 Service Manual 6.3 CPU Removal and Replacement Only CPUs in a single or top drawer can be hot-swapped. Figure 6–

GS80 Component Removal and Replacement 6-11 Module Removal 1. If the operating system supports hot-swap CPU and the CPU in question is in the top

6-12 AlphaServer GS80/160/320 Service Manual 6.4 Power System Manager Removal and Replacement The PSM is a special removal and replacement case b

GS80 Component Removal and Replacement 6-13 Module Removal 1. If the system is not partitioned, shut down the operating system and put the OCP swi

System Overview 1-17 Figure 1–8 shows an 8-processor, two QBB system. Such a system can be built using a rack cabinet and two drawers (a GS80 syste

6-14 AlphaServer GS80/160/320 Service Manual 6.5 Clock Splitter Module Removal and Replacement Located next to the local I/O riser module, the clo

GS80 Component Removal and Replacement 6-15 Module Removal 1. If the system is not partitioned, shut down the operating system and issue the SRM p

6-16 AlphaServer GS80/160/320 Service Manual 6.6 I/O Riser Removal and Replacement Only the local I/O riser in a single or top drawer can be hot-s

GS80 Component Removal and Replacement 6-17 Module Removal 1. If the operating system supports hot-swap I/O, enter the OS command that puts the ta

6-18 AlphaServer GS80/160/320 Service Manual 6.7 I/O Transition Module Removal and Replacement The local I/O riser transition module in a drawer c

GS80 Component Removal and Replacement 6-19 Removal 1. If the operating system supports hot-swap I/O, enter the OS command that puts the target lo

6-20 AlphaServer GS80/160/320 Service Manual 6.8 Drawer Backplane Removal and Replacement The AC must be removed from the drawer when the system b

GS80 Component Removal and Replacement 6-21 only hard partitions can be powered off. Pull the 48V power supplies from the subrack powering the dra

6-22 AlphaServer GS80/160/320 Service Manual 6.9 Dual-Output Clock Removal and Replacement The system is off when a dual-output clock module is re

GS80 Component Removal and Replacement 6-23 Removal 1. Shut down the operating system(s). 2. Put the OCP switch in the Off position. 3. Follow t

1-18 AlphaServer GS80/160/320 Service Manual 1.7.3 The Hierarchical Switch The hierarchical switch is an 8-port switch that connects up to 8 QBBs.

6-24 AlphaServer GS80/160/320 Service Manual 6.10 Distribution Board Removal and Replacement The distribution board is located in the bottom of th

GS80 Component Removal and Replacement 6-25 Removal 1. If the system is partitioned, it is not necessary to power down anything. (In a GS80 syste

6-26 AlphaServer GS80/160/320 Service Manual 6.11 Console Serial Bus Removal and Replacement The AC power to the drawer with the target CSB module

GS80 Component Removal and Replacement 6-27 Removal 1. If the system is not partitioned, shut down the operating system, issue the SRM power off c

6-28 AlphaServer GS80/160/320 Service Manual 6.12 Drawer Blower Removal and Replacement The drawer must be powered off to replace the blower. Figu

GS80 Component Removal and Replacement 6-29 Removal 1. If the system is not partitioned, shut down the operating system and put the OCP switch in

6-30 AlphaServer GS80/160/320 Service Manual 6.13 Operator Control Panel Removal and Replacement The OCP is contained in a plastic shroud at the t

GS80 Component Removal and Replacement 6-31 Removal 1. Shut down the operating system(s). 2. Open the rear door. 3. Trip the main circuit brea

6-32 AlphaServer GS80/160/320 Service Manual 6.14 Power Supply Removal and Replacement Under certain conditions 48V power supplies may be hot swap

GS80 Component Removal and Replacement 6-33 Removal 1. Open the front door. 2. Locate the power supply that needs to be replaced: 1. Associate

System Overview 1-19 Figure 1–9 is a block diagram of a 16-processor GS160 system. It consists of two full system boxes with two QBBs in each. In

6-34 AlphaServer GS80/160/320 Service Manual 6.15 Power Subrack Removal and Replacement Each power subrack powers a single drawer. AC must be rem

GS80 Component Removal and Replacement 6-35 If a power subrack needs replacing, it is unlikely that an operating system is running in the drawer po

6-36 AlphaServer GS80/160/320 Service Manual 6.16 AC Input Box Removal and Replacement There are three variants of AC input boxes. Only one AC in

GS80 Component Removal and Replacement 6-37 Removal 1. If the operating system is still running, shut it down. 2. Put the OCP switch into the Of

Power Distribution Rules A-1 Appendix A Power Distribution Rules This appendix shows power distribution and cabling for the GS160/320 power cabinet

A-2 AlphaServer GS80/160/320 Service Manual A.1 GS160/320 Power Cabinet Configuration and Cabling Cabling the GS160/320 is complex due to the larg

Power Distribution Rules A-3 Figure A–1 shows the options available for use by each base configuration. Space at the top of the power cabinet is av

A-4 AlphaServer GS80/160/320 Service Manual Figure A– 2 GS160/320 Power Cabinet Components

Power Distribution Rules A-5 Figure A–2 shows the GS160/320 components that make up the power system. For each component, the figure shows the “J”

1-20 AlphaServer GS80/160/320 Service Manual 1.7.4 Addressing The CPU chip and the rest of the system have slightly different formats. Table 1– 1

A-6 AlphaServer GS80/160/320 Service Manual Figure A– 3 GS160/320 Power Cabinet Cabling

Power Distribution Rules A-7 Figure A–3 shows the required and optional cables in the power cabinet. Redundant cables are marked with an asterisk

A-8 AlphaServer GS80/160/320 Service Manual A.2 Expander Cabinet Configuration and Cabling The power cabling in expander cabinets is described in

Power Distribution Rules A-9 Figure A–4 shows possible BA356 storage configurations in expander cabinets available with GS80/160/320 systems.

A-10 AlphaServer GS80/160/320 Service Manual Figure A– 5 Expander Cabinet Cable Connector Locations

Power Distribution Rules A-11 Figure A–5 shows a diagram of the PCI box and AC input boxes used in expander cabinets. For each, the figure shows t

A-12 AlphaServer GS80/160/320 Service Manual Figure A– 6 Expander Cabinet H9A20-AA Variant Cabling

Power Distribution Rules A-13 Figure A–6 shows the power cord connections for 120V NEMA cords used in North America. Note that this power cord is

A-14 AlphaServer GS80/160/320 Service Manual Figure A– 7 Expander Cabinet H9A20-AB, -AC Variants Cabling

Power Distribution Rules A-15 Figure A–7 shows the power cable connections for expander cabinets used in North America, Japan, and Europe. Use Figu

System Overview 1-21 The memory system functions as a single, distributed, tightly-coupled shared memory. The system’s memory address space and I/O

A-16 AlphaServer GS80/160/320 Service Manual A.3 GS80 Power Cabling Cabling the GS80 can be confusing due to the sheer number of cords. Figure A– 8

Power Distribution Rules A-17 Figure A–8 shows the power cable connections for the GS80 –CA cabinet used in North America. Use Figure A–8 and Figur

A-18 AlphaServer GS80/160/320 Service Manual Figure A– 9 GS80 Power Cabling -CB, -CC Cabinet PK1298OCP AssemblyTerminator 12-45926-01(At End of

Power Distribution Rules A-19 Figure A–9 shows the power cable connections for the GS80 –CB, –CC cabinet used in Japan, and Europe. Use Figure A–9

Cache Coherency B-1 Appendix B Cache Coherency Maintaining the coherency of the CPU caches, the memory space, and the I/O space is important in com

B-2 AlphaServer GS80/160/320 Service Manual B.1 Terminology Table B–1 shows the definitions of terms related to cache coherency. Table B–1 Basic

Cache Coherency B-3 B.2 Cache States The Alpha CPU chip supports five cache states and two sets of commands that affect them. The AlphaServer GS s

B-4 AlphaServer GS80/160/320 Service Manual B.3 Cache Commands • Two sets of commands are used to modify cache state: • Memory space commands •

Cache Coherency B-5 Table B– 3 Memory Space Commands Command Class Description RdBlk Rd Read a block of memory data into cache. RdBlkMod RdM Re

1-22 AlphaServer GS80/160/320 Service Manual 1.8 System Management Architecture AlphaServer GS80/160/320 systems use an independent multi-drop seri

B-6 AlphaServer GS80/160/320 Service Manual B.3.2 System Probe Commands The second set of commands that affect cache coherency are the “system pro

Cache Coherency B-7 B.4 Cache State Transition Diagram Figure B–1 shows how both memory space commands and system probe commands cause cache block

B-8 AlphaServer GS80/160/320 Service Manual Table B– 5 Memory Command and Cache State Interaction CPU Memory Cmnd Cache Block State Resultant

Cache Coherency B-9 B.6 Virtual Channels When mapping processor request activity onto a switch-based distributed shared memory system, it is necess

B-10 AlphaServer GS80/160/320 Service Manual B.7 Virtual Channels and Coherency Flow The virtual channels are useful in explaining how transaction

Cache Coherency B-11 3. Upon reaching its home QBB, a memory space transaction arbitrates for access to a home directory bank and a home memory ban

B-12 AlphaServer GS80/160/320 Service Manual B.7.2 I/O Space Reads Figure B– 3 I/O Space Read Transaction Flow Diagram Source ProcessorIssues a

Cache Coherency B-13 Figure B–3 shows the progress of an I/O space read or Programmed IO Read (PIO Rd) transaction through a system. The steps a tr

B-14 AlphaServer GS80/160/320 Service Manual B.7.3 I/O Space Writes Figure B– 4 I/O Space Write Transaction Flow Diagram Source ProcessorIssues

Cache Coherency B-15 B.8 Virtual Channel Ordering Rules To support cache coherency, virtual channels obey a number of ordering rules. These rules

System Overview 1-23 The system management console (SMC) is a front end PC that serves as the local console for the system. See Section 1.8.2. A m

B-16 AlphaServer GS80/160/320 Service Manual 5. When ordered lists of Q1 packets from multiple HS input ports target multiple common HS output por

Cache Coherency B-17 Victim and Q1 Ordering To properly implement memory barriers, the cache coherency protocol requires that victim packets “push”

B-18 AlphaServer GS80/160/320 Service Manual B.9 Coherency Data Storage Cache coherency information is stored in the following locations in the sys

Cache Coherency B-19 B.9.2 IOP Tag Store Each IOP in the system implements two fully associative data caches; one “write” cache and one “read” cac

B-20 AlphaServer GS80/160/320 Service Manual B.9.3 QBB Duplicate Tag Store (DTag) There is one DTag store in each QBB in the system. Each DTag st

Cache Coherency B-21 B.9.4 QBB Directory There is one directory store in each QBB in the system. Each directory holds one entry for each main memor

B-22 AlphaServer GS80/160/320 Service Manual B.9.6 Access to Coherency State Figure B–5 shows how the various coherency stores are connected in a

Cache Coherency B-23 Table B– 10 QSA Interface to the Cache Coherency Storage Interface Description GPLink - The global port link (GPLink) is th

B-24 AlphaServer GS80/160/320 Service Manual B.10 Coherency Storage and Coherency Flow The following sections describe how various transactions us

Cache Coherency B-25 Local Read, ReadVic, and Fetch commands use the system coherency storage elements as illustrated in Figure B–6 and described b

1-24 AlphaServer GS80/160/320 Service Manual 1.8.2 System Management Console The system management console (SMC) is a front end PC running terminal

B-26 AlphaServer GS80/160/320 Service Manual B.10.2 Local Read Modify Transactions Figure B– 7 Local Read/Modify Transaction Q0: Visit Directrory

Cache Coherency B-27 Local Read Mod and Read Vic Mod commands use the system coherency storage elements as shown in Figure B–7 and described by the

B-28 AlphaServer GS80/160/320 Service Manual B.10.3 Local Change-to-Dirty, Inval-to-Dirty and Full Block Transactions Figure B– 8

Cache Coherency B-29 Local Change-to-Dirty, Shared-to-Dirty, STCChange-to-Dirty, Inval-to-Dirty and Full Block Write commands use the system cohere

B-30 AlphaServer GS80/160/320 Service Manual B.10.4 Global (Remote) Read Transactions Figure B– 9 Global (Remote) Read Transaction Storage Flow Q

Cache Coherency B-31 Remote Read, ReadVic and Fetch commands use the system coherency storage elements as illustrated in Figure B–9 and described b

B-32 AlphaServer GS80/160/320 Service Manual B.10.5 Global (Remote) Read Modify Transactions Figure B– 10 Read Mod Coherency Store Flow Q0: Visit

Cache Coherency B-33 3. The Fwd Rd Mod probe packets resulting from each Read-type command are then issued to the ArbBus of the QBB of the dirty p

B-34 AlphaServer GS80/160/320 Service Manual B.10.6 Global (Remote) Change-to-Dirty Transactions Figure B– 11 Change-to-Dirty Coherency Store F

Cache Coherency B-35 3. Each Change-to-Dirty-type command is then issued to the ArbBus of the home QBB by means of the QS Arb. It visits: • The

System Overview 1-25 Figure 1–11 shows the connections made to the system management console and connections made from it to the terminal server loc

B-36 AlphaServer GS80/160/320 Service Manual B.10.7 Global (Remote) Inval-to-Dirty and Full Block Write Transactions Figure B– 12

Cache Coherency B-37 2. Each Inval-to-Dirty and Full Block Write command is then issued to the ArbBus of the home QBB by means of the QS Arb. It v

Power-Up Diagnostic Error Table C-1 Appendix C Power-Up Diagnostic Error Table This appendix contains a table that lists SROM and XSROM tests and a

C-2 AlphaServer GS80/160/320 Service Manual Error Number Table Description Error # column: Contains the error number that is printed as part of t

Power-Up Diagnostic Error Table C-3 Failure Description column: Any detail which will be useful to the user to decode what the Error # means and why

C-4 AlphaServer GS80/160/320 Service Manual Table C–1 Test Number / Error Number Test # hex ERROR # <15:0> FRU(s) Component(s) Failure

Power-Up Diagnostic Error Table C-5 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description B-cache data line test 0001 QBBx.CPU

C-6 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description B-cache march test 0001 Q

Power-Up Diagnostic Error Table C-7 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description B-cache address test 0001 QBBx.CPUy

1-26 AlphaServer GS80/160/320 Service Manual 1.8.3 System Control Manager (SCM) The system control manager (SCM) is primarily responsible for two t

C-8 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description B-cache ECC data line test

Power-Up Diagnostic Error Table C-9 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description B-cache data line and C-box read chain

C-10 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local QSD_WHAMI (QSD Who A

Power-Up Diagnostic Error Table C-11 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local QSA_SCRATCH (QSA scratch regist

C-12 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local non-device interrupt

Power-Up Diagnostic Error Table C-13 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local I/O device interrupt test 0011

C-14 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local interprocessor inter

Power-Up Diagnostic Error Table C-15 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local IOP data path (IOD_SCRATCH) te

C-16 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local Hose 0 Config (1b),

Power-Up Diagnostic Error Table C-17 Test# hex ERROR # <15:0> FRU(s) Component Failure Description Parameters P1: Expected pattern (writte

System Overview 1-27 The system control manager (SCM) uses the console serial bus to: • Control system power-up • Configure the system • Monito

C-18 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local GPA scratch register

Power-Up Diagnostic Error Table C-19 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local GPD scratch register test 0001

C-20 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local Gp-link > HS-link

Power-Up Diagnostic Error Table C-21 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description FF00 System box: HSW0 QBBx.GP.CBL Dr

C-22 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description 22 continued Parameters for e

Power-Up Diagnostic Error Table C-23 Test # hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local GP performance monitor test 00

C-24 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component(s) Failure Description Local IOP error testing

Power-Up Diagnostic Error Table C-25 Test# hex ERROR# <15:0> FRU(s) Component(s) Failure Description Local MEM0 scratch/BIST/error testing

C-26 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description SUBTEST 3 (MEM Error Line te

Power-Up Diagnostic Error Table C-27 Test# hex ERROR # <15:0> FRU(s) Component Failure Description 25, 26, 27, 28 (3 sub-tests in each te

v Contents Preface ...xix Chapter

1-28 AlphaServer GS80/160/320 Service Manual 1.8.4 Power System Manager (PSM) In addition to configuring and monitoring the QBB, the power system m

C-28 AlphaServer GS80/160/320 Service Manual Test# hex ERROR# <15:0> FRU(s) Component(s) Failure Description Local DTAG scratch and BIST

Power-Up Diagnostic Error Table C-29 Test# hex ERROR# <15:0> FRU(s) Component(s) Failure Description Local directory scratch and BIST check

C-30 AlphaServer GS80/160/320 Service Manual Test# hex ERROR# <15:0> FRU(s) Component(s) Failure Description Local IOP BIST check test 0

Power-Up Diagnostic Error Table C-31 Test# hex ERROR# <15:0> FRU(s) Component Failure Description Local hose error testing Error #<3:0>

C-32 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description 2d continued Parameters for e

Power-Up Diagnostic Error Table C-33 Test# hex ERROR # <15:0> FRU(s) Component Failure Description Local GP error line test Error# = LMNX X

C-34 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component Failure Description Local directory error line t

Power-Up Diagnostic Error Table C-35 Test# hex ERROR # <15:0> FRU(s) Component Failure Description Local QSD error line (FAULT) test Error#

C-36 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description Local DTAG error line (FAULT)

Power-Up Diagnostic Error Table C-37 Test# hex ERROR # <15:0> FRU(s) Component Failure Description Local QBB soft QBB ID configuration test

System Overview 1-29 Figure 1–13 shows the software block diagram for the power system manager. The PSM is responsible for power on/off, environmen

C-38 AlphaServer GS80/160/320 Service Manual Test # hex ERROR # <15:0> FRU(s) Component Failure Description Remote GPA scratch register

Power-Up Diagnostic Error Table C-39 Test# hex ERROR # <15:0> FRU(s) Component Failure Description FF00 System box: HSW0 QBBx.GP.CBL Drawer

C-40 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description #0#x System box: QBBx,GP QBBx

Power-Up Diagnostic Error Table C-41 Test# hex ERROR # <15:0> FRU(s) Component(s) Failure Description Remote GPD scratch register test 0001

C-42 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description F3#x System box: QBBx.GP.CBLH

Power-Up Diagnostic Error Table C-43 Test # hex ERROR # <15:0> FRU(s) Component Failure Description Remote QBB soft QBB ID configuration te

C-44 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description 38 See Test 23 (Local GP Per

Power-Up Diagnostic Error Table C-45 Test# hex ERROR # <15:0> FRU(s) Component Failure Description F3#x System box: QBBx.GP.CBLHSW0 QBBx.GP

C-46 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description See Test 13 (Local QSD Scratc

Power-Up Diagnostic Error Table C-47 Test# hex ERROR # <15:0> FRU(s) Component Failure Description 41 See Test 24 (Local IOP Error). Same

1-30 AlphaServer GS80/160/320 Service Manual 1.8.5 PCI Backplane Manager (PBM) In addition to configuring and monitoring the PCI I/O subsystem, the

C-48 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description FC#x System box: HSW0 QBBx.GP

Power-Up Diagnostic Error Table C-49 Test# hex ERROR # <15:0> FRU(s) Component Failure Description FC#x System box: HSW0 QBBx.GP.CBL Drawer:

C-50 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description FC#x System box: HSW0 QBBx.GP.

Power-Up Diagnostic Error Table C-51 Test# hex ERROR # <15:0> FRU(s) Component Failure Description 4f See Test 32 (Local DTAG Error line Fa

C-52 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description XynE QBBx.MEMy ARRn

Power-Up Diagnostic Error Table C-53 Test# hex ERROR # <15:0> FRU(s) Component Failure Description Low memory mailbox access test 56 NO

C-54 AlphaServer GS80/160/320 Service Manual Test# hex ERROR # <15:0> FRU(s) Component Failure Description 5a-5c are placeholders for fut

Firmware Updates D-1 Appendix D Firmware Updates This appendix covers the following topics: • System Firmware That May Require Updates • Preparat

D-2 AlphaServer GS80/160/320 Service Manual D.1 System Firmware That May Require Updates The following firmware will likely need updates: code for

Firmware Updates D-3 Table D–1 lists AlphaServer GS80/160/320 update firmware files. When running an update, each file is written into a flash ROM

System Overview 1-31 Figure 1–14 is a block diagram of the PCI backplane manager (PBM). It is primarily responsible for monitoring environmental se

D-4 AlphaServer GS80/160/320 Service Manual D.2 Preparations for Firmware Updates On any given system some preparations may be needed to perform s

Firmware Updates D-5 LFU must be run in a nonpartitioned environment for the following reasons: 1. LFU cannot communicate directly over the CSB an

D-6 AlphaServer GS80/160/320 Service Manual D.2.2 Hardware Connections Use of the SCM update command requires a physical connection to the master S

Firmware Updates D-7 Figure D–1 shows the connection made between a laptop and the local terminal port on the standard I/O module in the master PCI

D-8 AlphaServer GS80/160/320 Service Manual D.2.3 Laptop Operating System Preparation When the SCM update command is used, firmware update files a

Firmware Updates D-9 Example D– 3 COM1 Port Settings for Windows 2000 1. From Start go to Settings and select Control Panel. 2. From Control P

D-10 AlphaServer GS80/160/320 Service Manual D.2.4 Terminal Emulator Settings When the SCM update command is used, firmware update files are downl

Firmware Updates D-11 Example D– 6 PowerTerm 525 Settings 1. From Start go to Programs and select PowerTerm. 2. At Connect set: Session type

D-12 AlphaServer GS80/160/320 Service Manual D.3 Firmware Updates Two firmware update modes are available on GS80/160/320 systems: one using LFU an

Firmware Updates D-13 ***** Loadable Firmware Update Utility ***** ----------------------------------------------------------

1-32 AlphaServer GS80/160/320 Service Manual 1.8.6 Hierarchical Switch Power Manager (HPM) The hierarchical switch power manager (HPM) is a micropr

D-14 AlphaServer GS80/160/320 Service Manual Example D– 7 Running LFU (Continued) UPD> list

Firmware Updates D-15 The LFU list command shows the current revision and update revision of the SCM firmware. Note that LFU does not list each

D-16 AlphaServer GS80/160/320 Service Manual Example D– 7 Running LFU (Continued) Updating XSROM node 30,31,32,33 Update

Firmware Updates D-17 Once the SCM completes the map of the CSB, LFU provides the updated XSROM code to the SCM through shared RAM. The SCM se

D-18 AlphaServer GS80/160/320 Service Manual D.3.2 Using the SCM Update Command The SCM update command may be used from the master SCM to update s

Firmware Updates D-19 Conditions of Note When Using This Update Method A master and slave SCM may be updated using this method but a master SCM can

D-20 AlphaServer GS80/160/320 Service Manual Example D– 8 Using the Update Command (Continued) SCM_E0> update –csb 30

Firmware Updates D-21 Example D–8 shows a sample master SCM update of a PSM module in QBB0. The SCM update command is issued. Note that it is po

D-22 AlphaServer GS80/160/320 Service Manual D.4 Dealing with a COM1 Port Jam Occasionally, when the COM1 is under software flow control, as it is

Firmware Updates D-23 In the event that your emulator appears hung, it is possible that the COM1 port is jammed. The procedure presented in Exampl

System Overview 1-33 Figure 1–15 is a block diagram of the hierarchical switch power manager (HPM) module. The HPM is responsible for monitoring en

Glossary-1GlossaryAC off stateOne of the system power states in which all power is re-moved from the system. See also Hot-swap, Cold-swap,and Warm-sw

Glossary-2Hard partitionA partition consisting of one or more QBBs and sharingno resources with any other parition. Hard partitionsare defined by usi

Glossary-3Memory directorymoduleSee Directory module.OCPOperator control panel; used by the operator to controlthe system. It has a keyswitch, displa

Glossary-4Power systemmanagerSee PSM.PSMPower system manager; a module in each QBB thatmonitors CPUs, voltages, temperatures, and fan speedsin the QBB

Glossary-5SMCSystem management console; a PC, software, and termi-nal server used to manage the system.Soft partitionA collection of resources within

Glossary-6Warm-swap stateOne of the power states of the system in which power isremoved from a specified QBB for service while othersegments of the sy

Index- 1 Index A AC input box GS160/320 (three phase), 1-97 GS80 (single phase), 1-107 removal and replacement (system box), 5-35 AC-off state define

Index- 2 COM1 port unjam, D-23 COM2, 1-87 Compaq Analyze, 3-88–3-109 Console serial bus function, 1-22 module removal and replacement (distribution bo

Index- 3 module locations, 4-17 power subsystem, 1-94–1-103 system box, 1-7 GS80 backplane, 1-11 cabinet cabling, A-16–A-19 description, 1-9 module lo

1-34 AlphaServer GS80/160/320 Service Manual 1.9 System Partitioning Partitions allow large systems to appear as several smaller ones either from a

Index- 4 Local switch, 1-15 M Main power module, 1-62 removal and replacement (GS160/320), 4-25 removal and replacement (GS80), 6-9 Master clock modul

Index- 5 removal and replacement, 5-23 PCI slots, 1-84 Power color codes, 4-19 troubleshooting, 3-2 Power cabinet cabling, A-2–A-7 Power distribution,

Index- 6 SCP. See Short-circuit protection module SCSI (FIS) disk removal and replacement, 5-19 Secondary switch, 1-16 Secure LED, 1-13, 2-3 Secure sw

Index- 7 a hung system, 3-76–3-83 an operating system hang, 3-77 console, 3-5 CSB bus, 3-3 logic voltages, 3-4 OCP, 3-3 power, 3-2 using LEDs, 3-72–3-

System Overview 1-35 Applying the rules in Table 1–4 to a GS320 with eight QBBs, a customer might set up a system as shown in Table 1–5. Such a sys

1-36 AlphaServer GS80/160/320 Service Manual 1.9.2 Soft Partitions Soft partitions make use of the OpenVMS Galaxy firmware functions embedded in t

System Overview 1-37 For a full discussion of soft partitions and how to create them, see the AlphaServer GS80/160/320 Getting Started with Partitio

vi 1.13.1 H-switch Clock Module... 1-50 1.13.2 Dual-Output Clock Module...

1-38 AlphaServer GS80/160/320 Service Manual 1.9.3 Mixture of Hard and Soft Partitions Hard and soft partitions can exist in a single system. Table

System Overview 1-39 For a full discussion of both hard and soft partitions and how to create them, see AlphaServer GS80/160/320 Getting Started wit

1-40 AlphaServer GS80/160/320 Service Manual 1.9.4 Servicing Partitions Partitions allow parts of a system to remain up and running while other part

System Overview 1-41 Service can be performed on one or more partitions while other partitions remain operational. Once the operating system runnin

1-42 AlphaServer GS80/160/320 Service Manual 1.10 CPU Module The CPU module uses the Alpha processor chip. Figure 1– 16 CPU Module

System Overview 1-43 A single Alpha processor chip is on the CPU module. Some features of the CPU module are: • QBB system interface • PSM interf

1-44 AlphaServer GS80/160/320 Service Manual 1.10.1 CPU Processor The Alpha processor used in these systems is the third generation of the chip. It

System Overview 1-45 Figure 1–17 is a block diagram of the 21264 Alpha processor chip. The chip’s architectural features are: • Four integer execu

1-46 AlphaServer GS80/160/320 Service Manual 1.11 Memory Module The memory module uses SDRAM storage elements and CMOS application specific integrat

System Overview 1-47 • Memory interleaving is used to improve memory bandwidth by “staggering” transactions on the memory arbitration bus. See mem

vii Chapter 2 Power-Up 2.1 Operator Control Panel... 2-2 2.1.1 Control Panel A

1-48 AlphaServer GS80/160/320 Service Manual 1.12 Power System Manager Module The PSM is the microprocessor controller for the power subsystem. Fig

System Overview 1-49 Figure 1–19 is a block diagram of the power system manager module. For a functional description of the power system manager, s

1-50 AlphaServer GS80/160/320 Service Manual 1.13 Clock Generation Modules AlphaServer GS80/160/320 systems use synchronous data transfers at high s

System Overview 1-51 The H-switch clock module is mounted above the hierarchical switch and generates a global reference clock signal from which al

1-52 AlphaServer GS80/160/320 Service Manual 1.13.2 Dual-Output Clock Module The dual-output clock module is used in a GS80 or a GS160 with a singl

System Overview 1-53 The dual-output clock module is used in 4 or 8P systems only. The module is mounted on the rear left side wall of the top draw

1-54 AlphaServer GS80/160/320 Service Manual 1.13.3 Clock Splitter Module The clock splitter module converts the global reference sine wave from ei

System Overview 1-55 Figure 1–23 shows a functional block diagram of the clock splitter. A clock splitter module is required in each QBB. The clo

1-56 AlphaServer GS80/160/320 Service Manual 1.13.4 Master Phase Lock Loop The master phase lock loop daughtercard aligns ASIC clocks to the globa

System Overview 1-57 Figure 1–24 shows a functional block diagram of the master phase lock loop daughtercard (MPLL). Each ASIC in the system has an

viii 3.12.1 Compaq Analyze Using a Web Browser... 3-88 3.12.2 Problem Found Report...

1-58 AlphaServer GS80/160/320 Service Manual 1.14 Local I/O Riser Modules There are two local I/O riser modules: one for the GS160/320 QBBs and ano

System Overview 1-59 The system box local I/O riser module provides two I/O port interfaces to the QBB I/O port (IOP). Since there is a similar I/O

1-60 AlphaServer GS80/160/320 Service Manual 1.14.2 System Drawer Local I/O Riser Module The GS80 drawer local I/O riser module provides two I/O po

System Overview 1-61 Figure 1–26 is a block diagram of the drawer local I/O riser modules. Together the two modules, the B4172-Ax and the B4173-Ax,

1-62 AlphaServer GS80/160/320 Service Manual 1.15 Power Modules Each QBB has two power modules; the H-switch has one power module. 1.15.1 Main Pow

System Overview 1-63 The power module converts 48 VDC to the following required outputs. • - 1.7VP at 24 amps • +1.7V at 45 amps • +3.3VP at 45 a

1-64 AlphaServer GS80/160/320 Service Manual 1.15.2 Auxiliary Power Module Like the main power module, the auxiliary power module converts 48 VDC

System Overview 1-65 The power module converts 48 VDC to the following required outputs: • +3.3V at 135 amps • +2.5V at 45 amps The 2.5V is used b

1-66 AlphaServer GS80/160/320 Service Manual 1.15.3 Hierarchical Switch Power Module The hierarchical switch power module converts 48 VDC power to

System Overview 1-67 Figure 1–29 shows the block diagram of the hierarchical switch power supply. The module converts 48 VDC to the following requi

ix Chapter 5 Power Cabinet Component Removal and Replacement 5.1 PCI Modules...

1-68 AlphaServer GS80/160/320 Service Manual 1.15.4 Short-Circuit Protection Module The short-circuit protection module is a small daughtercard tha

System Overview 1-69 Figure 1–30 shows both a block diagram of the short-circuit protection module and its interconnect in the QBB and drawer. Simi

1-70 AlphaServer GS80/160/320 Service Manual 1.16 Directory Module The directory module uses DIMMs populated with SDRAMs to track ownership and stat

System Overview 1-71 The directory module is associated with the local memory contained within a QBB. In systems with more than one QBB, a director

1-72 AlphaServer GS80/160/320 Service Manual 1.17 Global Port Module There are two global port modules, one for QBBs in the front of the system box

System Overview 1-73 Figure 1–32 shows the two global port modules used in the system box. One, the B4180-Bx, is used for the QBB in the front of t

1-74 AlphaServer GS80/160/320 Service Manual 1.18 Global Port Distribution Board There are two QBB distribution boards, one for GS160/320 systems

System Overview 1-75 Figure 1–33 shows a simple block diagram of the B4186-Ax distribution board and the layout for both distribution boards. These

1-76 AlphaServer GS80/160/320 Service Manual 1.19 Hierarchical Switch The hierarchical switch allows up to eight QBBs to communicate with each othe

System Overview 1-77 Figure 1–34 shows the hierarchical switch. For a functional description of the H-switch, see Section 1.7.3. The hierarchical s