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18
2-5 Jumpers
For some features needed, users can change the jumper settings on this motherboard to modify
them. This section explains how to use the various functions of this motherboard by changing the
jumper settings. Users should read the following content carefully prior to modifying any jumper
setting.
Description of Jumpers
1.Foranyjumperonthismotherboard,pin1canbeidentiedbytheboldsilkscreennexttoit.
However, in this manual, pin 1 is simply labeled as “1”.
2.Thefollowingtableexplainsdifferenttypesofthejumpersettings."Closed"meansplacinga
jumper cap on the two pins to temporarily short them. The shorting can also be done by touch-
ing two pins by a screwdriver for a few seconds, but using jumper cap is recommended. It can
prevent hazardous ESD (Electrical Static Discharge) problem.
Clear CMOS Jumper: CLR_CMOS
The motherboard uses CMOS RAM to store the basic hardware information (such as BIOS data,
date, time information, hardware password...etc.). Clear CMOS data is the fast way to go back to
factorydefaultwhentheBIOSsettingsweremistakenlymodied.
The steps to clear CMOS data are :
1. Turn off the computer, unplug the power cord from the power outlet.
2.Removejumpercapfrompins1-2,putitontopins2-3 to short them. This will clear CMOS
data.
3. Return the setting to its original with pins 1-2closed.
4. Plug in the power cord to your computer and turn it on.
5.GotoBIOSSetuptocongurenewsystemasdescribedinnextchapter.
Clear
1
2
3
Normal
(Default)
1
2
3
CLR_CMOS
Jumper Diagram Denition Description
1-2
SetPin1andPin2closed
2-3 SetPin2andPin3closed
1
1
1
■ Disconnect the power cable before adjusting the jumper settings.
■ Do not clear the CMOS while the system is turned on.
W
A
R
N
I
N
G
!
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