A+ SERVER 2042G-TRF/6RF User's Manual

5-9 Connector Definitions

Power Connectors

A 24-pin main power supply connector(JPW1) and three 8-pin CPU PWR connectors (JPW2/JPW3/JPW4) on the motherboard. These power connectors meet the SSI EPS 12V specification. In addition to the 24-pin ATX power connector, the 12V 8-pin CPU PWR connectors at JPW2/JPW3/JPW4 must also be connected to your power supply. See the table on the right for pin definitions.

Warning: To prevent damage to the power supply or motherboard, please use a power supply that contains a 24-pin and three 8-pin power connectors. Be sure to connect these connectors to the 24-pin (JPW1) and the three 8-pin (JPW2,JPW3 and JPW4) power connectors on the motherboard. Failure in doing so will void the manufacturer warranty on your power supply and motherboard.

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. This button can also be confi gured to function as a suspend button (with a setting in the BIOS - see Chapter 4). 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 defi nitions.

ATX Power 24-pin Connector

Pin Definitions

Pin#

Definition

Pin #

Definition

 

 

 

 

13

+3.3V

1

+3.3V

 

 

 

 

14

-12V

2

+3.3V

 

 

 

 

15

COM

3

COM

 

 

 

 

16

PS_ON

4

+5V

 

 

 

 

17

COM

5

COM

 

 

 

 

18

COM

6

+5V

 

 

 

 

19

COM

7

COM

 

 

 

 

20

Res (NC)

8

PWR_OK

 

 

 

 

21

+5V

9

5VSB

 

 

 

 

22

+5V

10

+12V

 

 

 

 

23

+5V

11

+12V

 

 

 

 

24

COM

12

+3.3V

 

 

 

 

12V 8-pin PWR Connector

Pin Definitions

Pins

Definition

1 through 4

Ground

 

 

5 through 8

+12V

 

 

Required Connection

Power Button

Pin Defi nitions

(JF1)

Pin# Definition

1PWR

2Ground

Reset Connector

The reset connector is located on pins 3 and 4 of JF1 and attaches to the reset switch on the computer chassis. See the table on the right for pin definitions.

Reset Button

Pin Definitions

(JF1)

Pin# Definition

3Reset

4Ground

5-14

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SUPER MICRO Computer 2042G-TRF, 2042G-6RF, AS2042G72RF4 user manual Connector Definitions, Power Connectors, Reset Connector