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Chapter 4: Motherboard Connections
Watch Dog
JWD controls the Watch Dog function. Watch Dog is a monitor that can reboot the system
when a software application hangs. Jumping pins 1-2 will cause Watch Dog to reset the system
if an application hangs. Jumping pins 2-3 will generate a non-maskable interrupt signal for
the application that hangs. Watch Dog must also be enabled in BIOS.
The default setting is Reset.
Note:
When Watch Dog is enabled, the user needs to write their own application software
to disable it.
Watch Dog
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
Jumper for the BMC Button
The JBMC_BTN1 jumper is used to change the BMC button setting. When pins 1-2 are
closed, the button is used as a UID button. When pins 2-3 of are closed, the button is used
for BMC reset.
JBMC_BTN1
Jumper Settings
Jumper Setting
BMC Button (SW2)
Function
Pins 1-2 (Default)
SW2
Used for BMC UID support
Pins 2-3
SW2
Used for BMC Reset support
