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(3) CMOS RAM Clear (3-pin): JP4
A battery must be used to retain the motherboard configuration in CMOS RAM short 1-2
pins of JP4 to store the CMOS data.
To clear the CMOS, follow the procedure below:
1.
Turn off the system and unplug the AC power
2.
Remove ATX power cable from ATX power connector
3.
Locate JP4 and short pins 2-3 for a few seconds
4.
Return JP4 to its normal setting by shorting pins 1-2
5.
Connect ATX power cable back to ATX power connector
Note: When should clear CMOS
1. Troubleshooting
2. Forget password
3. After over clocking system boot fail
1
JP4
3
1-2 closed Normal (Default)
CMOS RAM Clear Setting
6
1
JP4
3
2-3 closed
Clear CMOS
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