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
1
2
3
4
5
6
7
8
9
10
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
