Supermicro H12SSL Series User Manual page 45

VGA Enable/Disable (JPG1)
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 below for jumper settings.
Watch Dog (JWD1)
JWD1 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.
SAS Enable/Disable (JPS1)
Jumper JPS1 will enable or disable the SAS ports on the motherboard. See the table below
for jumper settings. The default setting is enabled.
VGA Enable/Disable
Jumper Settings (JPG1)
Jumper Setting Definition
Pins 1-2 Enabled (default)
Pins 2-3 Disabled
Watch Dog
Jumper Settings
Jumper Setting Definition
Pins 1-2 Reset (Default)
Pins 2-3 NMI
Open Disabled
SAS Enable
Jumper Settings
Pin# Definition
1-2 Enabled (default)
2-3 Disabled
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Chapter 2: Installation