Pin

Name

Color

Description

1

3.3V

Orange

+3.3 VDC

2

3.3V

Orange

+3.3 VDC

3

COM

Black

Ground

4

5V

Red

45 VDC

5

COM

Black

Ground

6

5V

Red

45 VDC

7

COM

Black

Ground

8

PWR_OK

Gray

Power Ok is a status signal generated by the power supply to notify the Computer that the DC operating voltages are within the ranges required for proper Computer operation (46 VDC when power is Ok)

9

5VSB

Purple

46 VDC Standby Voltage (max 10mA)

10

12V

Yellow

+12 VDC

11

12V

Yellow

+12 VDC

12

3.3V

Orange

+3.3 VDC

13

3.3V

Orange

+3.3 VDC

14

-12V

Isiue

-12 VDC

15

COM |

iBlack

Ground

16

/PS_ON

Green

Power Supply On (active Iow). Short this pin to GND to switch power supply ON, disconnect from GND to switch OFF.

17

COM |

Isiack

Ground

18

COM |

Isiack

Ground

19

COM |

Isiack

Ground

20

-5V

White

-5 VDC (this is optional on newer ATK-2 supplies, it is for use with older AT class expansion cards and can be omitted on newer units)

21

46V

| Red

45 VDC

22

45V

|Red

45 VDC

23

45V

| Red

45 VDC

24

COM |

|Black

Ground