Chapter 2: Installation
2-23
K
B
/
M
o
u
s
e
DIMM 4A
DIMM 4B
DIMM 3A
DIMM 3B
DIMM 2A
DIMM 2B
DIMM 1A
DIMM 1B
S P K R
Tumwater
(NorthBridge)
( S o u t h
Bridge)
IDE #1
IDE #2
Floppy
F
a
n
4
U S B 2 / 3
J D 2
J
F
1
F A N 7
CPU1
CPU2
JD
1
J 2 4
USB 0/1
J
L
A
N
1
COM2
COM1
Parrallel
Port
Fan6 Fan5
J32
4-pin
P W R
Bank 1
Bank 1
Bank 2
Bank 2
Bank 3
Bank 3
Bank 4
Bank 4
A T X P W R
J 1 B 4
J P F
Force
P W
JLAN1
Line_In/
Line_Out
JPAC
SI/O
x16 PCI EXP #6
PCI #5-33MHz
PCI#3-33MHz
PCIX#2-66MHz
J 2 7
C D 1
C D 2
PCIX#1-66MHz ZCR
GLAN
CTRL
J W O R
S M B u s
J 2 2
F
a
n
3
J K 1
FAN1
J 1 D 1
J C 2
M i c
J C 1
x8 PCI EXP #4
J W O L
J L 1
J
A
R
JO
H
1
J
P
1
5
JP12
Marvell
FAN2
JWD
SATA0 SATA1 SATA0 SATA1 SATA2
Marvell's
SATA3
S
A
T
A
A
C
T
L
E
D
Battery
SATAI
2
C
JPS1
Fan8
BIOS
J
P
L
1
J
B
T
1
6041
6 3 0 0 E S B
JP13
I n t e l ' s
D
S
1
D
S
9
D
S
2
D
S
1
0
D
S
3
D
S
1
1
D
S
4
D
S
1
2
J 4 0
J 2 3
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. Do not use the PW_ON connector to
clear CMOS.
Watch Dog Enable/Disable
JWD is used to enable Watch Dog,
a system monitor that can reboot
the system when a software ap-
p l i c a t i o n h a n g s . P i n s 1 - 2 w i l l
cause WD to reset the system if
an application hangs. Pins 2-3 will
generate a non-maskable interrupt
s i g n a l f o r t h e a p p l i c a t i o n t h a t
hangs. See the table on the right
for jumper settings. Watch Dog
can also be enabled via BIOS.
Clear CMOS
WD
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