Connecting Optional Devices
Refer to the following for information on connecting the
mainboard’s optional devices:
1
SIR1
1
CD2
1
USB2
SPK1
1
1
J12
J12: Sleep Switch
This header is connected to the sleep button for suspending the
computer’s activity if pushing the button. Or, the computer is
automatically suspended after passing a period of time.
Pin
Signal
1 -EXTSMI
2 GND
SPK1: Speaker Connector
Connect the cable from the PC speaker to the SPK1 header on the
mainboard.
Pin Signal Pin
Signal
1 SPKR 2 NC
3 GND 4 +5V
18
