AMD SB850 User Manual - Page 8

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WARNING!

Turn off your power when adding or removing expansion cards or

other system components.

damage to both your motherboard and expansion cards.

2-1

Before using your computer, you had better complete the following steps:

1. Check motherboard jumper setting

2. Install CPU and Fan

3. Install System Memory (DIMM)

4. Install Expansion cards

5. Connect hard disk and front panel /back panel cable

6. Connect ATX Power cable

7. Power-On and Load Standard Default

8. Reboot

9. Install Operating System

10. Install Driver and Utility

2-2

(1) CMOS RAM Clear (3-pin): JBAT1

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:

Turn off the system and unplug the AC power.

Remove ATX power cable from ATX power connector.

Locate JBAT and short pins 2-3 for a few seconds.

Return JBAT to its normal setting by shorting pins 1-2.

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

Chapter 2

Hardware Installation

JBAT

1-2 Closed: Normal

Failure to do so may cause severe

JBAT

2-3 Closed: Clear CMOS

CMOS RAM Clear Setting