Chapter 2 Installation Instructions
14
Jumpers
The users can change the jumper settings on this motherboard if needed. This
section explains how to use the various functions of this motherboard by chang-
ing the jumper settings. Users should 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 bold silk-
screen. 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.
Warning:
1. Disconnect the power cable before adjusting the jumper settings.
2. Do not clear the CMOS while the system is turned on.
NORMAL
(Default)
CLR_CMOS
CLEAR
1
1
Jumper Diagram Definition
Description
1-2
Set pin1 and pin2 closed
2-3
Set pin2 and pin3 closed
Closed
Set the pin closed
Open
Set the pin opened
1
1
1
1
1
1
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.
NORMAL
PSWD
CLEAR
1
1
Clear Password: PSWD
Connecting Pin2 and Pin3 with jumper is the default
setting, and connecting Pin1 and Pin2 with jumper
will clear both supervisor and user passwords in BIOS.
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