User`s manual

2-8 Chapter 2
2.5.3. CMOS Memory Clearing Header
This header uses a jumper cap to clear the CMOS memory.
Pin 1-2 shorted (default): Normal operation.
Pin 2-3 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.
IS-10 / IS-11 / IS-12