Cmos Memory Clearing Header (Ccmos) - Abit SG-80 User Manual

Hardware Setup
2.3.3.

CMOS Memory Clearing Header (CCMOS)

This header uses a jumper cap to clear the CMOS memory.
•
Pin 2-3 shorted (default): Normal operation.
•
Pin 1-2 shorted: Clear CMOS memory.
ATTENTION: Turn the system power off first (including the +5V standby power)
before clearing the CMOS memory. Failing to do so may cause your system to work
abnormally or malfunction.
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User's Manual