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MS-9156 ATX Server Board
The mainboard supports SSI power supply for the power system. Be-
fore inserting the power supply connector, always make sure that all compo-
nents are installed properly to ensure that no damage will be caused.
SSI 24-Pin Power Connector: POWER1
This connector allows you to connect to an SSI power supply. To con-
nect to the SSI power supply, make sure the plug of the power supply is in-
serted in the proper orientation and the pins are aligned. Then push down the
power supply firmly into the connector.
SSI 8-Pin Power Connector: POWER2
This connector provides 12V power output to the CPU.
POWER1
24
12
POWER1 Pin Definition
PIN
SIGNAL
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
MSI Reminds You...
Power supply of 300watt (and up) is highly recommended for
system stability.
2-14
Power Supply
13
1
PIN
SIGNAL
13
+3.3V
14
-12V
15
GND
16
PS-ON#
17
GND
18
GND
19
GND
20
3VSB
21
+5V
22
+5V
23
+5V
24
GND
POWER2
8
4
POWER2 Pin Definition
PIN
SIGNAL
PIN
1
GND
5
2
GND
6
3
GND
7
4
GND
8
5
1
SIGNAL
+12V
+12V
+12V
+12V
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