SUPERSERVER 5015A-EHF User's Manual

5-9 Connector Definitions

ATX Power 24-pin Connector

Pin Definitions

Main ATX Power Supply

Connector

The 24-pin main power connector (JPW1) is used to provide power to the motherboard. This power connec- tor meets the SSI EPS 12V specifica- tion. See the table on the right for pin definitions.

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

Required Connection

External Power Connector

In addition to the 24-pin main power connector, the 4-pin External Power connector at J8 is used to provide power to external devices such as hard disks & CD-ROM drives. This power connector supports 12V and 5V devices.

Power Button

The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both pins will power on/off the system. To turn off the power when set to suspend mode, press the button for at least 4 seconds. Refer to the table on the right for pin definitions.

4-Pin External Power

Connector

Pin Definitions

Pin Definition

1+12V

2Ground 1

3Ground 2

4+5V

Optional Connection

Power Button

Pin Definitions (JF1)

Pin# Definition

1Power Signal

2Ground

5-10

Page 58
Image 58
SUPER MICRO Computer 5015A-EHF user manual Connector Definitions, Main ATX Power Supply Connector, External Power Connector