Troubleshooting - JETWAY V4MDMPR3A User Manual

(2) CPU Front Side Bus Frequency Setting (2-pin) : JP7, JP8
JP7
OFF
OFF
ON
Note: CPU Front Side Bus Frequency also can setting step by step in BIOS SETUP,
please refer page
(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
JP8 CPU CLK
ON 100MHz
OFF 133MHz
OFF 166MHz
JP7
1
2
100MHz
CPU Front Side Bus Frequency Setting
34 Miscellaneous Control in Host Clock at Next.
JBAT
(Default)
JP8 JP7 JP8 JP7
1 1
2
2
133MHz 166MHz
(Default)
1 3
1-2 closed Normal
CMOS RAM Clear Setting
7
JP8
1 3
JBAT
2-3 closed Clear CMOS