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Chapter 2: Installation
2-15
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
(JPI
2
C1/JPI
2
C2)
Jumper Setting Defi nition
Closed Enabled
Open Disabled
Watch Dog Enable/Disable
JWD 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 (JWD)
Jumper Setting Defi nition
Pins 1-2 Reset
Pins 2-3 NMI
Open Disabled
Compact Flash Master/Slave Select
A Compact Flash Master (Primary)/Slave
(Secondary) Select Jumper is located at
JCF1. Close this jumper to enable Compact
Flash Card. For the Compact Flash Card
or the Compact Flash Jumper (JCF1) to
work properly, you will need to connect the
Compact Flash Card power cable to JWF1
fi rst. Refer to the board layout below for the
location.
Compact Flash Card Master/
Slave Select (JCF1)
Jumper Setting Defi nition
Open Slave (Secondary)
Closed Master (Primary)