Compaq AlphaPC 164SX Manual do Utilizador descarregar pdf (Página 35)

System Configuration and Connectors 2–15

AlphaPC 164SX Connector Pinouts

Figure 2–3 Multipurpose Connector Pinouts

The halt button is not used with the Windows NT operating system.

7 — No connection

8 POWER_LED_L Pull-up to Vdd

10, 12, 14, 16 Gnd —

9 SPKR Speaker output

15 Vdd —

11, 13 — No connection

Table 2–15 Multipurpose Connector Pinouts (J20)

(Sheet 2 of 2)

Pin Signal Description

910

11 12

13 14

15 16

HALT_BUTTON

(See note.)

RESET_BUTTON

HD_LED

POWER_LED_L

HD_PU

SPKR

Vdd

Note: The halt button is not used with Windows NT.

J20

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 71 72

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Compaq AlphaPC 164SX Manual do Utilizador Página 35