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System Configuration and Connectors 2–15
AlphaPC 164SX Connector Pinouts
Figure 2–3 Multipurpose Connector Pinouts
1
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
12
3
4
56
78
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