2-22
X6DH8-XG2/X6DHE-XG2 User's Manual
Watch Dog
J18 controls Watch Dog, a system
monitor that takes action when a
software application hangs. Close
Pins 1-2 to reset the system if a
program hangs. Close Pins 2-3 to
generate a non-maskable interrupt
for the program that hangs. Watch
Dog must also be enabled in BIOS.
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
WD to Reset
WD to NMI
Disabled
Watch Dog
Jumper Settings (J18)
CMOS Clear
JBT1 is used to clear CMOS. In-
stead of pins, this "jumper" consists
of contact pads to prevent the acci-
dental clearing of CMOS. To clear
CMOS, use a metal object such as a
s m a l l s c r e w d r i v e r t o t o u c h b o t h
pads at the same time to short the
connection. Always remove the AC
power cord 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.
Do not use the PW_ON connec-
tor to clear CMOS.
GLAN1
®
S
UPER X6DH8-XG2
GLAN2
DIMM 2B (Bank 2)
DIMM 2A (Bank 2)
DIMM 3B (Bank 3)
DIMM 3A (Bank 3)
DIMM 4B (Bank 4)
DIMM 4A (Bank 4)
DIMM 1A (Bank 1)
DIMM 1B (Bank 1)
Fan1
8-pin
PWR
PWR
SMBus
CPU
Fan1
JF1
F
P
C
o
n
tro
l
J
D
1
SPK
PW LED
JP15
Fan2
OH
3rd PS
PWR
Fault
Detect
CPU Fan2
Fan3
CH Intru
JL1
WD Enable
IPMI
IDE1
IDE2
F
lo
p
p
y
BIOS
J18
JPA1
Ultra 320
S
C
S
I C
H
A
Ultra 320
SCSI CH B
F
a
n
4
7902
CTRL
SATA0
SATA1
USB2/3
SMBUS
Buzzer
PCI-X 1 100 MHz ZCR
PCI-X 2 100 MHz
PCI-X #3 133 MHz
W
O
R
Battery
JPL1
GLAN
CTLR
RAGE-X
82546
GLAN
Enable
PCI-X #5 133MHz
X8 PCI-Epx #6
Super
I/O
(North
Bridge)
JPG1
VGA
COM1
USB0/1
KB/
Mouse
Fan5
Fan6
ATX PWR
4-Pin
PWR
JP16
24-Pin
Force PWR ON
VGA
Enable
Fan7
J24
J
P
1
2
R
e
b
o
o
t
O
p
ti
o
n
JP14
J
P
1
3
Fan8
SCSI
CPU 1
CPU 2
A
la
rm
R
e
s
e
t
SCSI
Enable
PXH
PCI-X #4 133MHz
COM2
WOL
USB4
PWR
Fault
LE1
PW LED
JPA2
JPA3
DA1
DA2
ICH5R
PXH
Lindenhurst
Clear
CMOS
CHB SCSI LED
CHA SCSI LED
(South
Bridge)
E7520
82801ER
SCSI CH A Term
SCSI CH B Term
WD
Clear CMOS
Содержание X6DH8-XG2
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