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X6DHR-8G2/X6DHR-iG2 User's Manual
2-6
Jumper Settings
Explanation of
Jumpers
To modify the operation of the
motherboard, jumpers can be used
to
choose
between
settings. Jumpers create shorts
between two pins to change the
function of the connector. Pin 1 is
identified with a square solder pad
on the printed circuit board. See
the motherboard layout pages for
jumper locations.
Note:
On
two
pin
"Closed" means the jumper is on
and "Open" means the jumper is
off the pins.
CMOS Clear
JBT1 is used to clear CMOS.
contact pads to prevent the accidental clearing of CMOS. To clear CMOS,
use a metal object such as a small screwdriver to touch both pads at the
same time to short the connection.
from the system before clearing CMOS. JBT1 is located near the FPUSB0/
1 headers on the motherboard.
Note: For an ATX power supply, you must completely shut down the sys-
tem, remove the AC power cord and then short JBT1 to clear CMOS. Do
not use the PW_ON connector to clear CMOS.
PW SMB
J 3 2
J 3 3
DIMM 1A
DIMM 1B
J 3 4
DIMM 2A
CPU1
DIMM 2B
J 1 6
DIMM 3A
DIMM 3B
DIMM 4A
J 1 4
DIMM 4B
CPU2
7 9 0 2
S C S I
C T R L
J A 2
JBT1
BIOS
CLR CMOS
J 1 1
J P L 1
(FP)USB2/3
J D 2
S M B
J P G 1
optional
3
jumpers,
Instead of pins, this "jumper" consists of
Always remove the AC power cord
4-Pin
8 Pin
P W
C P U
J 3 8
J1D1
2 0 - P i n P W
J1B1
J P 9
P W
F a i l
FAN1
FAN2
JPA3
J 1 2
J 6
J 5
Force
J P 6
P W O n WOR
J A 1
Clear CMOS
W O L
W D
J L 1
J D 1
J O H
OHLED
CH
P W
S P K
I n t
L E D
S W
2-20
Connector
Pins
Jumper
Cap
Setting
2
1
3
2
1
Pin 1-2 short
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