2-8
MS-9121 E-ATX Mainboard
Power Supply
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 connect to
the SSI power supply, make sure the plug of the power supply is inserted 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
12
1
24
13
POWER2
1
8
5
4
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
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
POWER1 Pin Definition
PIN
SIGNAL
5
+12V
6
+12V
7
+12V
8
+12V
PIN
SIGNAL
1
GND
2
GND
3
GND
4
GND
POWER2 Pin Definition
This manual downloaded from http://www.manualowl.com