
18
AlphaPC 164 Connector Pinouts
Table 18 Power LED Connector Pinouts (J27)
Pin
Signal
Name
1
POWER_LED_L
Pull-up to Vdd
2
Gnd
—
3
NC
—
4
NC
—
5
NC
—
Table 19 IDE Drive LED Connector Pinouts (J28)
Pin
Signal
Name
1
HD_ACT_L
Hard drive active
2
HD_LED_L
Pull-up to Vdd
Table 20 Reset Button Connector Pinouts (J24)
Pin
Signal
Name
1
RESET_BUTTON
Reset system
2
Gnd
—
Table 21 Halt Button Connector Pinouts (J25)
Pin
Signal
Name
1
HALT_BUTTON
Halt system
2
Gnd
—