X7SBU User's Manual
2-24
Clear CMOS
JBT1 is used to clear CMOS. Instead of pins, this "jumper" consists of contact pads
to prevent the accidental clearing of CMOS. To clear CMOS, use a metal object such
as a small screwdriver to touch both pads at the same time to short the connection.
Always remove the AC power cord from the system before clearing CMOS.
For an ATX power supply, you must completely shut down the system, remove the
AC power cord and then close pins 1 and 2 to clear CMOS.
A.
Clear CMOS
B.
Watch Dog Enable
Watch Dog Enable/Disable
JWD controls the Watch Dog function. Watch Dog
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 inter-
rupt signal for the application that hangs. See the
table on the right for jumper settings. Watch Dog
must also be enabled in the BIOS.
Note:
When this function is enabled, the
user needs to write his/her own application
software to disable the Watch Dog Timer.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Definition
Pins 1-2
Reset
(*default)
Pins 2-3
NMI
Open
Disabled
JBT1
1
A
1
B
Summary of Contents for X7SBU
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