SUPER MICRO Computer S120T Connector Definitions, Main ATX Power Supply Connector, Pwon Connector

SERIES3800/S120T (7045A-C3/7045A-CT) User's Manual

5-9 Connector Definitions

ATX Power 24-pin Connector

Pin Definitions (JPW3)

Main ATX Power Supply

Connector

The primary power supply connector (JPW3) meets the SSI (Superset ATX) 24-pin specification. Refer to the table on the right for the pin definitions of the ATX 24-pin power connector. You must also connect the 4-pin (JPW1) and 8-pin (JPW2) power connectors to your power supply (see below).

Pin# Definition

13+3.3V

14-12V

15COM

16PS_ON

17COM

18COM

19COM

20Res (NC)

21+5V

22+5V

23+5V

24COM

Pin # Definition

1+3.3V

2+3.3V

3COM

4+5V

5COM

6+5V

7COM

8PWR_OK

95VSB

10+12V

11+12V

12+3.3V

Secondary Power Connectors

JPW1 must also be connected to the power supply. See the table on the right for pin definitions.

+12V 4-pin Power

Pin Definitions (JPW1)

Pins Definition

1 - 2 Ground

3 - 4 +12V

Required Connection

Processor Power Connector

In addition to the Main ATX power connector (above), the 12V 8-pin processor power connector at JPW2 must also be connected to your power supply. See the table on the right for pin definitions.

PW_ON Connector

The PW_ON connector is on pins 1 and 2 of JF1. This header should be connected to the chassis power but- ton. See the table on the right for pin definitions.

+12V 8-pin Power

Pin Definitions (JPW2)

Pins Definition

1 - 4 Ground

5 - 8 +12V

Required Connection

Power Button

Pin Definitions (JF1)

Pin# Definition

1PW_ON

2Ground

5-14