8
2. CPU Front Side Bus Frequency Setting (4-pin) : JP4
CPU Front Side Bus Frequency Setting
1-2 : 100MHz
(Default)
JP4
1
4
2-3 : 133MHz
JP4
1
4
3-4 : 166MHz
JP4
1
4
Note: CPU Front Side Bus Frequency also can setting step by step in BIOS SETUP,
please refer page
35
Miscellaneous Control in Host Clock at Next.
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
4. Keyboard Power On function Enabled/Disabled: JP1
When setting Enabled you can using keyboard by key in password to power on system.