IBM All-in-One FC/Socket 370 Celeron, PCM-6890B manual USB connector CN3, CD Audio connector CN4

USB connector (CN3)

The PCM-6890B provides two USB (Universal Serial Bus) interfac- es, which give complete plug and play, hot attach/detach for up to 127 external devices. The USB interfaces comply with USB specification Rev. 1.0, and can be disabled in the system BIOS setup.

USB connector (CN3)

Pin	Function	Pin	Function
1	GND	5	Vcc
2	UD1+	6	UD0-
3	UD1-	7	UD0+
4	Vcc	8	GND

CD Audio connector (CN4)

This connector is used to connect to a CD audio cable.

CD Audio connector (CN4)

PinSignal

1GND

2CD_L

3GND

4CD_R

Chapter 2 Installation 23