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How to tackle the Jumpers:
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. CMOS data are restored to default now. Never
clear CMOS when system power is on.
3
A 3-pin Jumper
3
1
Jumper with
all pins open
27
Chapter 2 Hardware Setup
A 2-pin
Jumper
Cap
The conductor inside the cap
links two header-pins together.
3
1
Jumper with
Pin 1-2 closed
JBAT1
Clear CMOS
1-2 closed
(default)
1
To hold data
2-3 closed
To clear CMOS
1
3
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