9
2. Keyboard Power On Function setting (3-pin) : JK1
This allows you to disable the keyboard power on function. Set the jumper to
enabled or disabled if you wish to use your keyboard (by pressing < >) to
power on your computer, this feature requires an ATX power supply that can
supply at least 300mA on the +5VSB lead. The default is set on disable.
Keyboard Power On Function
2-3 closed : Enabled
JK1
1 3
JK1
1 3
1-2 closed : Disabled (default)
3. CMOS RAM Clear (3-pin) : JBAT
A battery must be used to retain the motherboard configuration in CMOS RAM
short 1-2 pins of JBAT 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 JBAT and short pins 2-3 for a few seconds
4. Return JBAT 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
CMOS RAM Clear Setting
2-3 closed :
Clear CMOS
JBAT
1 3
JBAT
1 3
1-2 closed : Normal (default)