User's Manual
Chapter 5: Advanced Serverboard Setup
5-21
VGA Enable/Disable
JPG1 allows you to enable or disable the 
VGA port. The default position is on pins 1 
and 2 to enable VGA. See the table on the 
right for jumper settings.
VGA Enable/Disable 
Jumper Settings (JPG1)
Jumper Setting Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled
I2C to PCI-Express Slot
JI
2
C1/JI
2
C2 allows you to enable the I
2
C bus 
to communicate with the PCI-Express slot. 
For the jumpers to work properly, please set 
both jumpers to the same setting. If enabled, 
both jumpers must be enabled. If disabled, 
both jumpers must be disabled. See the table 
on the right for jumper settings.
I
2
C to PCI-Express Slot
Jumper Settings
(JI
2
C1/JI
2
C2)
Jumper Setting Defi nition
Closed Enabled
Open Disabled
Watch Dog Enable/Disable
JWD1 enables the Watch Dog function, a 
system monitor that takes action when a 
software application freezes the system. 
Jumping pins 1-2 will have WD reboot the 
system if a program freezes. Jumping pins 
2-3 will generate a non-maskable interrupt 
for the program that has frozen. See the 
table on the right for jumper settings. Watch 
Dog must also be enabled in BIOS. 
Note: when Watch Dog is enabled, 
the user must write their own 
application software to disable the 
Watch Dog Timer.
Watch Dog 
Jumper Settings (JWD1)
Jumper Setting Defi nition
Pins 1-2 Reset
Pins 2-3 NMI
Open Disabled
LAN1/2 Enable/Disable 
Change the setting of jumper JPL1 to enable 
to enable or disable the LAN1 and LAN2 
Ethernets ports. See the table on the right 
for jumper settings. The default setting is 
enabled.
LAN1/2 En/Disable 
Jumper Settings (JPL1)
Jumper Setting Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled
SAS Enable/Disable
Jumper Settings (JPS1)
Jumper Setting Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled
SAS Enable/Disable
JPS1 allows you to enable or disable the 
SAS controller. The default position is on 
pins 1 and 2 to enable SAS. See the table 
on the right for jumper settings. 










