Chapter 2 Hardware Installation; Hardware Installation Steps; Checking Motherboard's Jumper Setting - JETWAY 845EPR2A User Manual

M/b for socket 478 pentium 4 processor
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Hardware installation

2-1 Hardware installation Steps

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 IDE and Floppy cables, 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 Checking Motherboard's Jumper Setting

(1)
CPU Front Side Bus Select: JP2
By JP2 selector you can choose CPU Front Side Bus 400MHz/533MHz the Default
setting is Auto.
F.S.B.
AUTO (Default)
100 (400)
133 (533)
(2) CMOS RAM Clear (3-pin) : JP15
A battery must be used to retain the motherboard configuration in CMOS RAM short 1-2
pins of JP15 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 JP15 and short pins 2-3 for a few seconds
4.
Return JP15 to its normal setting by shorting pins 1-2
5.
Connect ATX power cable back to ATX power connector
Note: When should clear CMOS
JP2
1-2
3-4
ON
OFF
OFF
ON
OFF
OFF
JP2
1
3
2
4
AUTO
(Default)
CPU Front Side Bus Select
7
JP2
JP2
1
3
1
3
2
4
2
4
100 (400)
133 (533)

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