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SUPERSERVER 1028R-WMR(T) User's Manual
5-8
Connector Definitions
Power Connectors
A 24-pin main power supply con-
nector (JPWR1), and two 8-pin CPU
power connectors (JPWR2/JPWR3)
are located on the serverboard.
These power connectors meet the
SSI EPS 12V specification and must
be connected to your power supply
to provide adequate power to the
system. See the tables on the right
for pin definitions.
Caution: To provide adequate
power to your system and to avoid
damaging the power supply or the
serverboard, be sure to connect all
power connectors mentioned above
to the power supply when using
the devices mentioned. Failure in
doing so may void the manufacturer
warranty on your power supply and
serverboard.
ATX Power 24-pin Connector
Pin Definitions
Pin# Definition Pin #
13
+3.3V
14
-12V
15
GND
16
PS_ON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
12V 8-pin Power Connec-
tor Pin Definitions
Pins
1 through 3
4 through 8
(Required)
5-14
Definition
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
Definition
+12V
Ground
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