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2-8
Jumper Settings
Explanation of Jumpers
To modify the operation of the motherboard,
jumpers can be used to choose between
optional 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.
N o t e: O n t w o p i n j u m p e r s ,
"Closed" means the jumper is on
and "Open" means the jumper is
off the pins.
LAN Ports 1/2 Enable
JPL1 is used to enable or disable onboard
LAN1 and LAN2. The default setting is En-
abled. See the table on the right for jumper
settings.
LE1
JB1
A
1
C
UID
JVGA
JUIDB1
JIB1
1
3
QSFP
1
JB3
1
3
JB2
JP1
1
JP2
JBT1:
CMOS
CLEAR
MH1
CPU1
COM1
VGA
JCOM1
LAN2
LAN1
C
LEDBMC
JUSBRJ45
JSTBY1
A
1
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
BT1
1
1
JSD2
CLOSE 1st
+
OPEN 1st
CPU2
CLOSE 1st
OPEN 1st
Connector
Jumper Setting Definition
1-2
2-3
2-25
Chapter 2: Installation
3
2
Pins
Jumper
Cap
3
2
Setting
Pin 1-2 short
LAN 1/2 Enable
Jumper Settings
Enabled (default)
Disabled
A. GLAN1/2 Enable
1
1
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