Supermicro P4SGA+ User Manual Page 32

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2-8
SUPER P4SGA/P4SGL/P4SGR/P4SGE User's Manual
2-6 Connecting Cables
Power Supply Connectors
The primary power supply connec-
tor on the P4SGA/P4SGL/P4SGR/
P4SGE meets the SSI (Superset
ATX) 20-pin specification. Refer
to the table on the right for the pin
definitions of the ATX 20-pin
power connector. You must also
connect the 4-pin J24 power con-
nector to your power supply. Re-
fer to the table below right for the
J24 (12V) connector.
Pins #
1 & 2
3 & 4
Definition
Ground
+12 V
+12V 4-pin PWR
Connector
(J24)
Pin # Definition
11 +3.3V
12 -12V
13 COM
14 PS_ON
15 COM
16 COM
17 COM
18 -5V
19 +5V
20 +5V
Pin # Definition
1 +3.3V
2 +3.3V
3COM
4+5V
5COM
6+5V
7COM
8PW-OK
95VSB
10 +12V
ATX 20-pin Power Connector
Pin Definitions (J21)
Color Definition
Orange +3.3V
Black Com
Red 5V
W hite Power OK
Yellow +1 2V
Purple 5V standby
Brown -5V
(For reference only)
PWR Supply
Color Definition
Required
Connection
IR Connector
The infrared connector is located
on pins 1-5 of JF1 on the P4SGA/
P4SGL and on J12 on the P4SGR/
P4SGE. See the tables on the right
for pin definitions. Refer to the
Technical Support section of our
web page for information on the
infrared devices you can connect
to the system.
Pin
Number
1
2
3
4
5
Definition
+5V
CIR
IRRX
Ground
IRTX
Infrared
Pin Definitions
(JF1)
Infrared
Pin Definitions
(J12)
Pin
Number
1
2
3
4
5
6
Definition
+5V
CIR
IRRX
Ground
IRTX
NC
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