SUPER MICRO Computer H8QME-2 Connecting Cables, ATX Power Connector, Processor Power Connector

H8QM8-2/H8QME-2 User's Manual

2-6 Connecting Cables

ATX Power 24-pin Connector

Pin Definitions (J1B1)

ATX Power Connector

The primary ATX power supply con- nector (J1B1) meets the SSI (Super- set ATX) 24-pin specification. Refer to the table on the right for the pin defini- tions of the ATX 24-pin power connec- tor. This connection supplies power to the chipset, fans and memory.

Note: You must also connect the 8-pin JPW1 and 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

Processor Power Connector

In addition to the primary ATX power connector (above), the 8-pin proces- sor power connector at JPW1 must also be connected to your power supply. See the table on the right for pin definitions.

Processor Power Connector

An additional 8-pin processor power connector at JPW2 must also be con- nected to your power supply. See the table on the right for pin definitions.

NMI Button

The non-maskable interrupt button header is located on pins 19 and 20 of JF1. Refer to the table on the right for pin definitions.

Processor Power

Connector 1

Pin Definitions (JPW1)

Pins	Definition
1 through 4	Ground
5 through 8	+12V

Required Connection

Processor Power

Connector 2

Pin Definitions (JPW2)

Pins	Definition
1 through 4	Ground
5 through 8	+12V

Required Connection

NMI Button

Pin Definitions (JF1)

Pin# Definition

19Control

20Ground

NMI not supported

2-8