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X7SLA-L/X7SLA-H User's Manual
2-6 Connecting Cables
This section provides brief descriptions and pin-out denitions 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
PinDenitions(JPW1)
Pin# Denition Pin # Denition
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. The 4-pin External
Power connector (JPW2) is optional for
peripheral devices. These power con-
nectors meet the SSI EPS 12V speci-
cation. See the table on the right for pin
denitions of these connectors.
JF1
J13
JL1
R52
R53
JPL1
JPL2
FAN3
FAN1
FAN_NB
41
FAN2
J3
J51
J46
JP5
JP4
BT1
JBT1
TP_ICH3
Tested to Comply
With FCC Standards
FOR HOME OR OFFICE USE
X7SLA-H
DESIGNED IN USA
NIC
I-SATA3
I-SATA2
I-SATA1
I-SATA0
SLOT7 PCI-E X4 in X8
SLOT6 PCI-E X8
USB2/3
COM2
USB4/5
USB6
JBT1:CMOS CLEAR
IDE
SLOT5 PCI 33MHZ
1-2:ENABLE
2-3:DISABLE
JPL1-2:LAN1/2
INTRUSION
JL1:CHASSIS
LAN2
LAN1
VGA
COM1
X
LED
PWRHDD
NIC
/FF
OHRSTPWR ON
1
JF1
DIMM1A
DIMM1B
JPW1
JPW2 for Device Power Only
KB/MOUSE
USB7
USB0/1
CPU
945GC
ICH7R
B
A
External Power Connector
In addition to the 24-pin main power
connector, the 4-pin External Power con-
nector at JP3 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
PinDenitions
Pin Denition
1 +12V
2 Ground 1
3 Ground 2
4 +5V
Side View