2-16

X7SPA and X7SPE Motherboard Series User's Manual

2-5 Connecting Cables

This section provides brief descriptions and pin-out denitions for onboard power

connectors. Be sure to use the correct cable for each header or connector.

24-pin ATX Main PWR
4-pin External PWR
A
B
ATX Power 24-pin Connector
PinDenitions(JPW1)
Pin# Denition Pin # Denition
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. This connector meets

the SSI EPS 12V specication. See the

table on the r ight for pin denitions.

MH2
MH3MH4
D17
JPW1
JUSB1
JD1
JPC3
JPUSB1
JWD1
JPG1 JBMC1
JPL1
JPT1
JPL2
JDIMM2
1
JDIMM1
JI2C2
JI2C1
JOH1
JL1
JL2
SP1
+
J2
J3
JBT1
JBAT1
JPCIE1
JUSB5
JUSB4
JUSB3
JUSB2
JLPC80
R1050
JSMB1
FAN1 FAN2
JCOM2
JCOM4
JPI2C1
JWF1
J8
JVGA1
CD1
JPB
FAN
FAN
COMS CLEAR
2-3 DISABLE
1-2 ENABLE
JPB:BMC ENABLE/DISABLE
CD-in
JPT1:TPM ENABLE/DISABLE
1-2 ENABLE
2-3 DISABLE
AUDIO FP
T-SGPIO2 T-SGPIO1
JPI2C:PWR I2C
JSMB1:SMBus1
JPUSB1:USB WAKE UP
2-3 DISABLE
1-2 ENABLE
JWF1:DOM PWR
JD1:1-3 PWR LED
4-7 SPEAKER
ON:ENABLEJI2C2
OFF:DISABLE
JI2C1
OFF:DISABLE
ON:ENABLE
JL2:AUDIO FRONT PANEL SELECT
ON:AC'97 FRONT PANEL
OFF:HD AUDIO FRONT PANEL JPG1:VGA
2-3 DISABLE
1-2 ENABLE
2-3 DISABLE
JPL2:1-2 ENABLE
JPL1:1-2 ENABLE
2-3 DISABLE
JL1:CHASISS INTRUSION
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
COM4
COM3
COM2
COM1
SODIMM2
SODIMM1
CPU
J6
J5
J10J11
J12
J13
J14JPF
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Denitions
Pin Denition
1 +12V
2 Ground 1
3 Ground 2
4 +5V
Do NOT connect the power
supply to this connector. Its
purpose is to supply power to
devices such as CD drives, hard
drives and similar devices, it's
not meant to receive power from
the power supply.