Compaq HSZ80 Guia de Instalação descarregar pdf (Página 11)

Service Guide

EK-HSG80-UP. B01 Page 11

8.0 Removing the HSZ70 Components

Use the following steps to remove the HSZ70 Components:

1. Power-off all the HSZ70 enclosures that will be upgraded at this time.

CAUTION

Electro-Static Discharge (ESD) can easily damage a

controller. Wear a snug-fitting, grounded ESD wrist strap.

2. Remove the SCSI cables from the trilink connector(s) and then remove the trilink

connector(s) from the controller(s).

3. Remove the serial cable from the controller’s maintenance port.

4. Disengage both retaining levers and remove “this controller,” then place it into an antistatic

bag or onto a grounded antistatic mat.

5. Disengage both retaining levers and remove the “other controller,” then place it into an

antistatic bag or onto a grounded antistatic mat.

6. Disengage both retaining levers and partially remove Cache Module A—about half way.

7. Disengage both retaining levers and partially remove Cache Module B—about half way.

8. Disable both External Cache Batteries (ECBs) by pressing their battery disable switches until

the status light stops blinking—about five seconds.

CAUTION

The ECB must be disabled—the status light is not lit or is not

blinking—before disconnecting the ECB cable from the cache

module. Failure to disable the ECB could result cache module

damage.

11. Disconnect the ECB cables from both cache modules, remove the cache modules, and place

them into an antistatic bag or onto a grounded antistatic mat.

12. Disconnect the ECB cables from the ECBs.

13. Remove ECB cables.

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Compaq HSZ80 Guia de Instalação Página 11