2-16
X7SPA-L/X7SPA-H/X7SPA-HF User's Manual
2-5 Connecting Cables
This section provides brief descriptions and pin-out definitions for onboard power
connectors. Be sure to use the correct cable for each header or connector.
24-pin ATX Main PWR
4-pin CPU PWR
4-pin External PWR
A
B
ATX Power 24-pin Connector
Pin Definitions (JPW1)
Pin# Definition Pin # Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
COM
3
COM
16
PS_ON
4
+5V
17
COM
5
COM
18
COM
6
+5V
19
COM
7
COM
20
Res (NC)
8
PWR_OK
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
COM
12
+3.3V
(Optional)
(Required)
ATX Main PWR & CPU PWR
Connectors
The 24-pin main power connector
(JPW1) is used to provide power to
the motherboard and a 4-pin 12V CPU
power connector (J7) is required to en-
sure adequate power to the processor.
These connectors meet the SSI EPS
12V specification. See the table on the
right for pin definitions.
MH
2
MH
3
MH
4
D17
JPW1
JUSB1
JD1
JPC3
JPUSB1
JWD
1
JPG1
JBMC1
JPL1
JPT1
JPL2
JDIMM2
1
JDIMM1
JI2C2
JI2C1
JOH1
JL1
JL
2
SP1
+
J2
J3
JBT1
JBAT1
JPCIE1
JUSB
5
JUSB4
JUSB3
JUSB
2
JLPC80
R1050
JSMB1
FAN1
FAN2
JC
OM2
JC
OM4
JPI2C1
JWF
1
J8
JVGA1
CD
1
JP
B
FAN
FA
N
COMS CLEAR
2-3 DISABL
E
1-2 ENABL
E
JPB:BMC ENABLE/DISABL
E
CD-in
JPT1:TP
M ENABLE/DISABL
E
1-2 ENABL
E
2-3 DISABL
E
AUDIO FP
T-SGPIO2
T-SGPIO1
JPI2C:PWR I2C
JSMB1:SMBus1
JPUSB1:USB
W
A
KE UP
2-3 DISABLE
1-2 ENABLE
JWF1:DOM PW
R
JD1:1-3 PWR LED
4-7 SPEAKE
R
ON:ENABLE
JI2C2
OFF:DISABLE
JI2C1
OFF:DISABLE
ON:ENABLE
JL2:
AU
DIO FRONT P
ANEL SELEC
T
ON:A
C'97 FRONT P
ANE
L
OF
F:
HD
AU
DIO FRONT P
ANE
L
JPG1:VG
A
2-3 DISABLE
1-2 ENABL
E
2-3 DISABL
E
JPL2:1-2 ENABL
E
JPL1:1-2 ENABL
E
2-3 DISABL
E
JL1:CHASISS INTRUSIO
N
JF1 PWR ON RST X OH/FF NIC2 NIC1 HDD LED PWR LED X NMI
2-3 NMI
JWD1:1-2 RST
JBT1:
LAN2
LAN1
I-SATA5
I-SATA2
I-SATA4
I-SATA1
I-SATA3
I-SATA0
SLOT1 PCI-E X4 (IN X16 SLOT)
SYS
CPU
KB/MOUSE
CO
M4
CO
M3
COM2
COM1
SODIMM2
SODIMM1
CPU
REV:1.00
X7SPA-L
J6
J5
J10
J11
J12
J13
J1
4
JPF
B
A
External Power Connector
In addition to the 24-pin main power con-
nector and 4-pin CPU power connectors,
the 4-pin External Power connector at
J8 is used to provide power to external
devices such as hard disks & CD-ROM
drives. This power connector supports
12V and 5V devices.
4-Pin External Power
Connector
Pin Definitions
Pin Definition
1
+12V
2
Ground 1
3
Ground 2
4
+5V
12V 4-pin CPU Power
Connector
Pin Definitions
Pins Definition
1 and 2
Ground
3 and 4
+12V
C
(Required)
C
