Supermicro SuperWorkstation SYS-531A-I User Manual page 65

Watchdog
Watchdog (JWD1) is a system monitor that can reboot the system when a software application
hangs. Close pins 1-2 to reset the system if an application hangs. Close pins 2-3 to generate
a non-maskable interrupt (NMI) signal for the application that hangs. Refer to the table below
for jumper settings. For this function to work properly, please also enable the Watchdog
setting in the BIOS.
USB6/7 Standby Power
JPUSB1 allows you to enable or disable the USB6/7 power in S5 standby mode. The default
is on pins 1-2 to enable USB6/7 power in S5 standby mode. Refer to the table below for
jumper settings.
Watchdog
Jumper Settings
Jumper Setting Definition
Pins 1-2 Reset
Pins 2-3 NMI
Open Disabled
USB6/7 Standy Power Enable/Disable
Jumper Settings
Jumper Setting Definition
Pins 1-2 Enabled (Default)
Pins 2-3 Disable
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Chapter 4: Motherboard Connections