Supermicro X6DVL-EG2 User Manual Page 41

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Chapter 2: Installation
2-21
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
WD to Reset
WD to NMI
Disabled
Watch Dog
Jumper Settings (JWD)
CMOS Clear
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. 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
Watch Dog is a system monitor that
can reboot the system when a soft-
ware application hangs. Close Pins 1-
2 to reset the system if an application
is 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.
Watch Dog can also be enabled via
BIOS. (*Note, when enabled, the user
needs to write his own application
software in order to disable the
Watch Dog Timer.)
WD
Clear COMS
KB/
MS
DIMM 2A
DIMM 2B
DIMM 1A
DIMM 1B
Lindenhurst VS
(North Bridge)
IDE #1
IDE #2
U
SB
0/1
VGA
COM1
8-pin
PWR
ATX PWR
Fan6
SI/O
P
C
I#6
P
C
I 66 M
H
z
PCIE#5 PCI-E X
4
Battery
WOR
FAN1
E7320
J13
J15
Hance
Rapids
USB2/3
JF1
JBT1
JW
D
JLA
N
1
JPL
1
W
O
L
JF2
CL CM
O
S
F
an
4
Fan3
Fan2
CPU2
CPU1
SMB PWR
PCI#3 PCI 33M
H
z
PW1
BIOS
LPT
Spkr
JL1
DS4
DS2
Fan5
JPG
1
G
LAN
Enable
COM2
JSLED
6300ESB
Floppy
PW
2
PW3
PW4
JAR
DS1
DS5
DS9
DS7DS8
VGA
Controller
JLA
N
2
GLAN
CTRL
GLAN
CTRL
JPL
2
PCIE#4 PCI-E X
4
PCI#2 PCI 33M
H
z
PCI#1 PCI 33M
H
z
IPMI
I-
S
A
T
A
0
I-
S
A
T
A
1
WD
CMOS
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