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CMOS Clear
JBT1 is used to clear CMOS.
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.
from the system before clearing CMOS. Note: For an ATX power supply,
you must completely shut down the system, remove the AC power cord and
then short JBT1 to clear CMOS.
Watch Dog Enable/Disable
JWD enables the Watch Dog func-
tion. Watch Dog is a system moni-
tor that can reboot the system
when
a
software
hangs. Closing Pins 1-2 will cause
WD to reset the system if an appli-
cation hangs. Close Pins 2-3 to
generate a non-maskable interrupt
signal for the application that
hangs. See the table on the right
for jumper settings.
can also be enabled in the BIOS.
P W 1
ATX PWR
DS3
8-pin
DS1
P W 2
P W
Fault
DIMM 1B
DIMM 1A
DIMM 2B
DIMM 2A
DIMM 3B
DIMM 3A
P W 3
Spkr
J F 2
Instead of pins, this "jumper" consists of
application
Watch Dog
ESB6300
Hance
Rapids
Marvell SATA
Enable
JBT1
M-SATA0-3
JL1
2-21
Always remove the AC power cord
Jumper Settings (JWD)
Jumper
Position
Pins 1-2
Pins 2-3
USB2/3
W D
Clear COMS
Chapter 2: Installation
Watch Dog
Definition
WD to Reset
WD to NMI
Open
Disabled
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