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2
Hardware Reference
GLAN enable/disable
Use JPL1 to enable or disable GLAN port1/GLAN port2 on the motherboard.
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.
I
2
C Bus to PCI-Express slots
Use jumpers JI
slots in order to improve PCI slot performance. These two jumpers are to be set at the same
time. The default setting is Closed to enable the connections.
VGA enable
Jumper JPG1 allows you to enable video connections on the motherboard.
28
Table 30. GLAN Enable jumper settings
Pin #
1
1–2
2–3
3
2
C1 and JI
2
C2 to connect the System Management Bus (I
Table 31. I
Jumper Setting
Closed
Open
Jumper Setting
1
Pins 1–2
Pins 2–3
3
Definition
Enabled (default)
Disabled
2
C for PCI-E Slots jumper settings
Definition
Enabled (default)
Disabled
Table 32. VGA enable jumper settings
Definition
Enabled (default)
Disabled
2
C) to PCI-Express
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