A. Clear CMOS
B. JI
2
C1
C. JI
2
C2
PCI Slot_SMB Enable
Jumper Settings
Jumper Setting Denition
Short Enabled
Open (Default) Disabled
PCI-E Slot SMB Enable (I
2
C1/I
2
C2)
Use Jumpers I
2
C1/I
2
C2 to enable PCI
SMB (System Management Bus) support
to improve system management for the
onboard PCI-E slot. See the table on the
right for jumper settings.
C
A
B
CMOS Clear
JBT1 is used to clear CMOS. Instead of pins, this "jumper" consists of contact pads
to prevent 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 connec-
tion. Always remove the AC power cord from the system before clearing CMOS.
Note 1: For an ATX power supply, you must completely shut down the
system, remove the AC power cord, and then short JBT1 to clear CMOS.
Note 2: Be sure to remove the onboard CMOS Battery before you short
JBT1 to clear CMOS.
Note 3: Clearing CMOS will also clear all passwords.
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