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How to tackle the Jumpers:
A 3-pin Jumper
1
2
If a pin-header (of 2 or more pins) is
designed in such a way that its pins
can be closed or linked together to
set up a specific function, this header
is called a jumper in this manual.
• A Jumper is usually but not necessarily given a "JpX" legend.
• In the Jumper setting diagram, the jumper pins covered with
black marks stand for closed pins with jumper cap.
1
Jp X
Jumper with
Pin 2-3 closed
• Do not remove any jumper cap when power is on. Always
make sure the power is off before changing any jumper settings.
Otherwise, the mainboard will be damaged.
2-8.1 JBAT1: Clear CMOS
When you have problem with rebooting your
system, you can clear CMOS data and restore
it to default value. To clear CMOS with Jumper
JBAT1, please follow the steps below:
1. Power off system;
2. Set JBAT1 to Pin 2-3 closed.
3. After 2 or 3 seconds, return the JBAT1 setting
to Pin1-2 closed.
4 . C M O S d a t a a r e r e s t o r e d t o d e f a u l t .
Remember never clear CMOS when system
power is on.
3
3
1
Jumper with
all pins open
27
Chapter 2 Hardware Setup
A 2-pin Jumper cap to link
two header-pins together.
3
1
Jumper with
Pin 1-2 closed
JBAT1
Clear CMOS
1
1-2 closed
(default)
To hold data
1
2-3 closed
To clear CMOS
3
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