TYAN S3227 Manual page 24

J11: Clear CMOS Jumper
You can reset the CMOS settings by using this jumper. This
can be useful if you have forgotten your system/setup
password, or need to clear the system BIOS setting.
Normal (Default)
1. Power off system and disconnect power connectors from
the motherboard.
2. Remove the jumper from Pin_1 and Pin_2 (Default setting).
3. Move the jumper cap to close Pin_2 and Pin_3 for several
seconds to Clear CMOS.
4. Put jumper cap back to Pin_1 and Pin_2 (Default setting).
Clear CMOS
5. Reconnect power connectors to the motherboard and
power on system.
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