1 9
Connector Introduction
ALDERWOOD
NB_F
AN
F_
US
B2
F_
PA
NEL
PWR
_J
P3
SC
SI
_LED
BC70
3
F_
13
94
PWR
_J
P4
F_
US
B1
1
2
9mm
9mm
FRO
NT_F
AN
9mm
9mm
7
1
7
1
9mm
9mm
S_
AT
A1
S_
AT
A3
9mm
9mm
7
1
S_
AT
A2
S_
AT
A0
7
1
PCI
_B
T
PCI
4
PCI
3
PCI
2
PCI
1
BA
TT
ER
Y
BAT
SYS_F
AN
FDD
IDE
DDR
II
4
DDR
II
3
PCI
E_16
DDR
II
1
DDR
II
2
EC71
RE
V:
1.0
F_
AU
DI
O_
AC
97
IR
S_
IR
Q
CI
F_
AU
DI
O_
AC
Z
ITE8712
1
AL
C655
CD_IN
AL
C260
1
REAR
_F
AN
BC
M5
75
1
JP2
US
B_
LA
N2
ASS
EM:
PSU
_F
AN
ATX
LG
A77
5
SN
R1
55
6
CO
MB
US
B_
13
94
CPU_F
AN
KB_
MS
PWR
_JP1
LP
T
CO
MA
ALDERWOOD
NB_F
AN
F_
US
B2
F_
PA
NEL
PWR
_J
P3
SC
SI
_LED
BC70
3
F_
13
94
PWR
_J
P4
F_
US
B1
1
2
9mm
9mm
FRO
NT_F
AN
9mm
9mm
7
1
7
1
9mm
9mm
S_
AT
A1
S_
AT
A3
9mm
9mm
7
1
S_
AT
A2
S_
AT
A0
7
1
PCI
_B
T
PCI
4
PCI
3
PCI
2
PCI
1
BA
TT
ER
Y
BAT
SYS_F
AN
FDD
IDE
DDR
II
4
DDR
II
3
PCI
E_16
DDR
II
1
DDR
II
2
EC71
RE
V:
1.0
F_
AU
DI
O_
AC
97
IR
S_
IR
Q
CI
F_
AU
DI
O_
AC
Z
ITE8712
1
AL
C655
CD_IN
AL
C260
1
REAR
_F
AN
BC
M5
75
1
JP2
US
B_
LA
N2
ASS
EM:
PSU
_F
AN
ATX
LG
A77
5
SN
R1
55
6
CO
MB
US
B_
13
94
CPU_F
AN
KB_
MS
PWR
_JP1
LP
T
CO
MA
A) ATX (ATX Power Connector)
24
13
B ) ATX_12V( +12V Power Connector)
This connector (ATX +12V) is used only for
CPU1 Core Voltage.
12
1
PIN No.
Definition
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
POK
9
5VSB
10
+12V
11
+12V
12
+3.3V
13
+3.3V
14
-12V
15
GND
16
PSON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
AC power cord should only be connected to
your power supply unit after ATX power cable
and other related devices are firmly connected
to the mainboard.
1
Pin No.
Definition
1
GND
2
GND
3
P12V-CPU0
4
P12V-CPU0