Chapter 5 60
Jumper Setting
The section explains how to set jumper for correct configuration of the mainboard.
Use the motherboard jumpers to set system configuration options. Jumpers withmore than one pin are
numbered. When setting the jumpers, ensure that the jumpercaps are placed on the correct pins.
The illustrations show a 2-pin jumper.When the jumper cap is placed on bothpins, the jumper is SHORT. If you
re-move the jumper cap, or place the jumpercap on just one pin, the jumper is OPEN.
This illustration shows a 3-pin jumper.Pins 1 and 2 are SHORT.
Setting Jumper
Use the motherboard jumpers to set system configuration options. Jumpers with more Than one pin are
numbered. When setting the jumpers, ensure that the jumper caps are Placed on the correct pins.
System Board Pin Definition
Jumper Type Description Setting (default)
CLR_CMOS1 3-pin Clear CMOS 1-2: NORMAL
2-3: CLEAR
Before clearing theCMOS, make
sure toturn off the system.
CLR_CMOS1
Jumper/Header Name Function Definition
CPU_FAN(4 PIN)
CPU FAN HEADER 1: GND
2: POWER
3: SENSE
4: CONTROL
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