2-16
X9SCV-Q Motherboard Series User's Manual
4-pin 12V Power Source
The 4-pin 12V Power Source on J9 is
used to provide power to devices such
as hard disks & CD-ROM drives. This
power connector supports 12V and 5V
devices. 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 is not meant to receive power from the
power supply.
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 PWR (X9SCV-Q)
4-pin PWR (X9SCV-QV4)
4-pin 12V Power Source
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 Power Connectors
The 24-pin (J12) and 4-pin (J16) power
connectors are used to provide power
to the motherboard. These connectors
meets the SSI EPS 12V specification.
See the tables on the right for pin defi
-
nitions.
Note:
J12 is supported on the
X9SCV-Q and J16 is supported only on
the X9SCV-QV4.
B
A
4-Pin 12V Power Source
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
B
A
C
(Required)
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