Supermicro H8DGi User Manual page 41

BMC Jumper
JPB1 is used to enable or disable
theBMC (Baseboard Management
Control) Chip and the onboard IPMI
connection.This jumper is used
together with the IPMI settings in the
BIOS. The default position is on pins
1 and 2 to Enable BMC. See the table
on the right for jumper settings.
Watch Dog Enable/Disable
JWD1 enables the Watch Dog function,
a system monitor that takes action
when a software application freezes
the system. Jumping pins 1-2 will have
WD reboot the system if a program
freezes. Jumping pins 2-3 will generate
a non-maskable interrupt for the
program that has frozen. See the table
on the right for jumper settings. Watch
Dog must also be enabled in BIOS.
USB Wake-Up
JPUSB2 jumper allows you to "wake
up" the system by pressing a key on the
USB keyboard or by clicking the USB
mouse of your system. These jumpers
are used in conjunction with the USB
Wake-Up function in the BIOS. See the
table on the right for jumper settings
and jumper connections. (the default
is Enabled)
BMC Jumper Enable (JPB1)
Jumper Settings
Jumper Setting
Pins 1-2
Pins 2-3
Jumper Settings (JWD1)
Jumper Setting
Pins 1-2
Pins 2-3
Open
Note: When Watch Dog is enabled, the user must write
their own application software to disable the Watch Dog
Backpanel USB
Wake-Up Enable (JPUSB2)
Jumper Settings
Jumper Setting
Pins 1-2
Pins 2-3
2-21
Chapter 2: Installation
Defi nition
Enabled (default)
Disabled
Watch Dog
Defi nition
Reset
NMI
Disabled
Timer.
Defi nition
Enabled (default)
Disabled