Chapter 2 Hardware Installation; Hardware Installation Steps; Checking Motherboard's Jumper Setting - JETWAY V400DB User Manual

Hardware installation

2-1 Hardware installation Steps

Before using your computer, you had better complete the following steps:
1. Check motherboard setting
2. Install CPU
3. Install Memory
4. Install Expansion cards
5. Connect Ribbon cables, Panel wires, and power supply
6. Setup BIOS
7. Install software driver & utility

2-2 Checking Motherboard's Jumper Setting

(1) CPU Front Side Bus Frequency Setting (4-pin) : JP4
(2) 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
1
4
JP4 JP4
1-2 : 100MHz 2-3 : 133MHz
(Default)
CPU Front Side Bus Frequency Setting
6
1 1
4
JP4
3-4 : 166MHz
4