Intel PT800DB Hardware installation Pre-Hardware installation, Cmos RAM Clear 3-pin Jbat

Chapter 2

Hardware installation

2-1 Pre-Hardware installation

Before starting to use the computer with the motherboard installed the components on it, please make sure complete the following steps:

1.To verify the jumper settings of your motherboard

2.To install the CPU and Cooling Kits

3.To install the system memory

4.To install the expansion cards

5.To connect with ribbon cables, panel wires, and power supply

6.To setup BIOS

7.To install software driver & utility

2-2 To verify the jumper settings of the motherboard

(1)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

JBAT			JBAT
	1	3		1	3
1-2 closed		Normal	2-3 closed		Clear CMOS

CMOS RAM Clear Setting

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