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Chapter 4: Motherboard Connections
Watch Dog Timer
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. The Watchdog must also be enabled in the BIOS.
Watch Dog
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
TPM Enable
Use JPT1 to enable or disable the onboard TPM2.0. Refer to the table below for jumper
settings.
TPM Enable/Disable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled (Default)
LAN1/2 Enable/Disable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled (Default)
Pins 2-3
Disabled
LAN1/LAN2 Enable/Disable
Use jumper JPL1 to enable or disable LAN port 1 and JPL2 to enable or disable LAN port 2.
Front Panel Audio Enable
JPAC1 allows you to enable or disable the onboard audio support. The default position is on
pins 1 and 2 to enable onboard audio connections. Refer to the table below for jumper settings.
Front Panel Audio Enable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled (Default)
Pins 2-3
Disabled