HARDWARE INSTALLATION
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 Header: 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.Putametalobject(suchasascrewdriver)ontopins1-2toshortthem.ThiswillclearCMOS
data.
3.Afterafewsecond,removethemetalobjecttoleavethePins1-2open.
4.Pluginthepowercordtoyourcomputerandturniton.
5.GotoBIOSSetuptocongurenewsystemasdescribedinnextchapter.
■ Disconnectthepowercablebeforeadjustingthejumpersettings.
■ DonotcleartheCMOSwhilethesystemisturnedon.
CAUTIO
N
Clear
Normal
(Default)
CLR_CMOS
1
2
3
1
2
3
Jumper Diagram Denition Description
Closed SetPin1andPin2closed
Open SetPin1andPin2Open
1-2 SetPin1andPin2closed
2-3 SetPin2andPin3closed
1
1
1
1
1
1
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