Instruction manual

24 PCM-6890 User Manual
USB connector (CN3)
The PCM-6890 provides two USB (Universal Serial Bus)
interfaces, 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)
Pin Signal
1 GND
2 CD_L
3 GND
4 CD_R