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Connecting Optional Devices
Refer to the following for information on connecting the mainboard's optional
devices:
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.
SPK1: Speaker Connector
Connect the cable from the PC speaker to the SPK1 header on the main-
board.
Pin
Signal Name
1
External speaker
2
Onboard buzzer
3
NC
4
VCC
USB1/USB2: Front panel USB headers
The mainboard has USB ports installed on the rear edge I/O port array. Some
computer cases have a special module that mounts USB ports at the front of
the case. If you have this kind of case, use auxiliary USB connectors USB1
17
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