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2-2
Chapter 2
2.1 Mainboard layout
MS-6749 v1.X Mainboard
J9: Front I/O Connector
J8: Control Board Connector
JFP1: Front Panel Power Connector
J2: USB Connector
(reserved)
JBAT1: Clear CMOS Jumper
CN31: System Fan Connector
CN30: CPU Fan2
PCI Slot1:PCI Slot
AGP Slot: AGP Slot
U11: Standby Power Connector
JCD1:CD-in Connector
CPUFAN1: CPU Fan1
JPW1: Power Supply Connector
IDE1/IDE2: IDE Connectors
DDR1/DDR2: DDR DIMM Slots
J
1
C
N
1
A
U
D
I
O
1
A
U
D
I
O
2
U
S
B
1
U
S
B
2
J
1
3
9
4
-
1
J
1
3
9
4
-
2
M
i
c
-
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n
H
e
a
d
p
h
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D
D
R
1
D
D
R
2
C
P
U
F
A
1
J
P
W
1
C
N
3
0
C
N
3
1
T
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p
:
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B
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:
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b
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:
R
J
4
5
L
A
N
j
a
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B
:
U
S
B
p
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r
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s
J
C
D
1
U
1
1
C
o
d
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c
V
I
A
V
T
6
1
0
3
V
I
A
V
T
1
6
2
2
A
M
VIA
VT6307
W
i
n
b
o
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d
W
8
3
6
9
7
H
F
BATT
+
B
I
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S
I
D
E
1
I
D
E
2
F
D
D
1
P
C
I
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l
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1
A
T
X
P
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w
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S
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y
J
F
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1
J
8
J
2
J
9
JBAT1
T
o
p
:
C
O
M
A
B
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t
t
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m
:
V
G
A
P
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r
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T
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:
P
a
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:
S
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I
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M
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C
S
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C
K
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T
4
6
2
A
G
P
S
l
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t
J
1
B
l
u
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B
i
r
d
V
L
+
V
I
A
K
M
4
0
0
V
I
A
V
T
8
2
3
5