Supermicro SuperServer 5019S-W4TR User Manual page 49

VGA Enable/Disable
JPG1 allows you to enable or disable the VGA port. The default setting is Enabled.
LAN Ports Enable/Disable
Change the setting of jumper JPL1 and JPL2 to enable or disable the LAN1/LAN2 and LAN3/
LAN4 Ethernet ports, respectively. The default setting is Enabled.
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.
BIOS Recovery
Use jumper JBR1 to recover the BIOS settings on the motherboard. Refer to the table below
for jumper settings. The default setting is Normal.
VGA Enable/Disable
Jumper Settings
Jumper Setting Definition
Pins 1-2 Enabled
Pins 2-3 Disabled
LAN1/2 Enable/Disable
Jumper Settings
Jumper Setting Definition
Pins 1-2 Enabled
Pins 2-3 Disabled
Watch Dog
Jumper Settings
Jumper Setting Definition
Pins 1-2 Reset
Pins 2-3 NMI
Open Disabled
BIOS Recovery
Jumper Settings
Jumper Setting Definition
Pins 1-2 Normal
Pins 2-3 BIOS Recovery
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Chapter 4: Motherboard Connections