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CMOS Clear
JBT1 is used to clear CMOS. Instead of
pins, this "jumper" consists of 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.
Always remove the AC power cord from the
system before clearing CMOS.
Note: For an ATX power supply, you must
completely shut down the system, remove
the AC power cord and then short JBT1
to clear CMOS. Do not use the PW_ON
connector to clear CMOS.
VGA Enable/Disable
JPG1 enables or disables the VGA Con-
nector on the motherboard. See the table
on the right for jumper settings. The default
setting is enabled.
KB/MS
USB 1/2
LAN
CTRL2
(*LN2+)
Intel
3000/3010
LAN
North Bridge
CTRL1
JLAN1
JLAN2
(*LN2+)
VGA
JI
JI
C2
Memory
2
Slot6
PCI-E x8
VGA
C T R L
JWOR
Slot5
PCI-E x4
B
JPG1
SPKR
Slot4
PCI-33 MHz
S I/O
Floppy
COM2
Fan6
PWR SMB
PWR Fault
CPU
Fan
LGA 775
DIMM 1A
DIMM 2A
DIMM 1B
DIMM 2B
C1
2
IPMI
SBX: PCI-33 MHz
J 8
Battery
ICH7R
J10
BIOS
South Bridge
PCI1
USB3/4
USB5/6
2-23
VGA Enable/Disable
Jumper Settings
Jumper Setting
Pins 1-2
Pins 2-3
Fan1
8-pin PWR
CPU
Fan2
Fan3
JL1
A
JBT1
SATA3
SATA1
SATA0 SATA2
Chapter 2: Installation
Definition
Enabled
Disabled
A. CMOS Clear
B. VGA Enable
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