4–10
AlphaPC 164UX Connector Pinouts
Speaker Connector Pinouts
4.13 Speaker Connector Pinouts
Table 4–13 shows the speaker connector pinouts.
4.14 Microprocessor Fan Power Connector Pinouts
Table 4–14 shows the microprocessor fan power connector pinouts.
Table 4–13 Speaker Connector Pinouts (J23)
Pin
Signal
Name
1
SPKR
Speaker output
2
NC
—
3
VDD —
4
GND —
Table 4–14 Microprocessor Fan Power Connector Pinouts (J35)
Pin
Signal
Name
1
+12V
—
2
FAN_OK_L
Fan connected
3
GND
—
4.15 Pin Power LED Connector Pinouts
Table 4–15 shows the power LED connector pinouts.
Table 4–15 Power LED Connector Pinouts (J31)
Pin
Signal
Name
1
Powerpullup
Power pullup
2
NC
—
3
GND
—
4
NC
—
5
NC
—