E7505 Master-LS2 (MS-9121 v1.X) - Premio, Inc.
E7505 Master-LS2 (MS-9121 v1.X) - Premio, Inc.
E7505 Master-LS2 (MS-9121 v1.X) - Premio, Inc.
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<strong>MS</strong>-<strong>9121</strong> E-ATX Mainboard<br />
2-8<br />
Power Supply<br />
The mainboard supports SSI power supply for the power system. Before<br />
inserting the power supply connector, always make sure that all components<br />
are installed properly to ensure that no damage will be caused.<br />
SSI 24-Pin Power Connector: POWER1<br />
This connector allows you to connect to an SSI power supply. To connect to<br />
the SSI power supply, make sure the plug of the power supply is inserted in<br />
the proper orientation and the pins are aligned. Then push down the power<br />
supply firmly into the connector.<br />
SSI 8-Pin Power Connector: POWER2<br />
This connector provides 12V power output to the CPU.<br />
POWER1 Pin Definition<br />
PIN SIGNAL<br />
1 +3.3V<br />
2 +3.3V<br />
3 GND<br />
4 +5V<br />
5 GND<br />
6 +5V<br />
7 GND<br />
8 PWR OK<br />
9 5VSB<br />
10 +12V<br />
11 +12V<br />
12 +3.3V<br />
PIN SIGNAL<br />
13 +3.3V<br />
14 -12V<br />
15 GND<br />
16 PS-ON#<br />
17 GND<br />
18 GND<br />
19 GND<br />
20 3VSB<br />
21 +5V<br />
22 +5V<br />
23 +5V<br />
24 GND<br />
PIN SIGNAL<br />
1 GND<br />
2 GND<br />
3 GND<br />
4 GND<br />
24 13<br />
12 1<br />
POWER1<br />
8 5<br />
4 1<br />
POWER2<br />
POWER2 Pin Definition<br />
PIN SIGNAL<br />
5 +12V<br />
6 +12V<br />
7 +12V<br />
8 +12V
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