Chapter 2 Installation Instructions
16
Jumpers
Users can change the jumper settings on this motherboard if needed. This sec-
tion explains how to use the various functions of this motherboard by changing
the jumper settings. Please read the following content carefully prior to modifying
any jumper settings.
Description of Jumpers
1. For the jumpers on this motherboard, pin 1 can be identified by the bold
silkscreen next to it. However, in this manual, pin 1 is simply labeled as
“
1
”
.
2. The following table provides some explanation of the jumper pin settings.
User should refer to this when adjusting jumper settings.
Clear CMOS Jumper: CLR_CMOS
The motherboard uses the CMOS RAM to store all
the set parameters. The CMOS can be cleared by
removing the CMOS jumper.
How to clear CMOS?
1. Turn off the AC power supply and connect pins 1
and 2 together using the jumper cap.
2. Return the jumper setting to normal (pins 2 and
3 together with the jumper cap).
3. Turn the AC power supply back on.
Jumper Diagram Definition Description
1-2
Set pin 1 and pin 2 closed
2-3
Set pin 2 and pin 3 closed
Closed
Set the pin closed
Open
Set the pin opened
1
1
1
1
1
1
Normal
(default)
Clear
Clear CMOS Jumper
1
3
2
1
3
2
Warning:
1. Disconnect the power cable before adjusting the jumper settings.
2. Do not clear the CMOS while the system is turned on.
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