Chapter 2: Installation
2-15
Watch Dog Enable/Disable
JWD controls the Watch Dog function.
Watch Dog is a system monitor that
can reboot the system when a software
application hangs. Pins 1-2 will cause
WD to reset the system if an applica-
tion has frozen. Pins 2-3 will generate
a non-maskable interrupt signal for the
application that is frozen. See the table
on the right for jumper settings. Watch
Dog must also be enabled in BIOS.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
Note:
When enabled, the user needs to
write their own application software in
order to disable the Watch Dog Timer.
Power Force On
JPF allows you to enable or disable the
Power Force On function. If enabled,
system power will always stay on. If
disabled (the default setting), the user
needs to depress the power button to
power up the system.
Power Force On
Jumper Settings (JPF)
Jumper Setting Defi nition
Closed
Force On
Open
Disabled
I2C Enable/Disable
Jumpers JI
2
C1 and JI
2
C2 allow you to
enable or disable I
2
C. Both jumpers
must be set to the same setting, either
both open or both closed. See the
table on the right for jumper settings.
I
2
C Enable/Disable
Jumper Settings (JI
2
C1/JI
2
C2)
Jumper Setting Defi nition
Pins 1-2
Enabled
Pins 2-3
Disabled
