Samsung 164BX user manual Speaker Connector Pinouts, Microprocessor Fan Power Connector Pinouts

Speaker Connector Pinouts

4.13 Speaker Connector Pinouts

Table 4–13shows the speaker connector pinouts.

Table 4–13 Speaker Connector Pinouts (J23)

Pin	Signal	Name
1	SPKR	Speaker output
2	NC	—
3	VDD	—
4	GND	—

4.14 Microprocessor Fan Power Connector Pinouts

Table 4–14shows the microprocessor fan power connector pinouts.

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 4–15shows 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	—

4–10AlphaPC 164UX Connector Pinouts