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UPER P4SCA/P4SCE User's Manual
2-7
Jumper Settings
Explanation of
Jumpers
To modify the operation of the
motherboard, jumpers can be used
to choose between optional set-
tings.
Jumpers create shorts be-
tween two pins to change the
function of the connector. Pin 1 is
identified with a square solder pad
on the printed circuit board.
the motherboard layout pages for
jumper locations.
Note : On a two-pin jumper,
"Closed" means the jumper is on
both pins and "Open" means the
jumper is either on only one pin or
completely removed.
CMOS Clear
JBT1 is not actually a jumper but
consists of two contact pads.
clear the contents of CMOS, short
these pads together by touching
them both with a metal conductor
such as the head of a small
screwdriver. Note:
power supplies, you must com-
pletely shut down the system and
remove the AC power cord before
clearing CMOS.
See
To
for
ATX
2-12
Connector
Pins
3
2
Jumper
Cap
3
2
Setting
Pin 1-2 short
1
1
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