Power connectors P8 & P9 (PWR1)

In single board computer (non-passive backplane) application. You will need to connect the power directly to the SBC-658 board using PWR1. This connector is fully compatible with the standard PC AT power supply connector, P8 & P9. See the following table for its pin assignments:

1

2

3

4

5

6

1

2

3

4

5

6

P9 from standard AT power supply

P8 from standard AT power supply

Power

connector

pin

assignments

(PWR1)

 

Pin (P8)

Signal

Pin (P9)

Signal

 

 

 

 

 

 

 

1

 

GND

 

1

 

+5V

 

 

 

 

 

 

 

2

 

GND

 

2

 

+5V

 

 

 

 

 

 

 

3

 

-12V

 

3

 

+5V

 

 

 

 

 

 

 

4

 

+12V

 

4

 

-5V

 

 

 

 

 

 

 

5

 

+5V

 

5

 

GND

 

 

 

 

 

 

 

6

 

NC

 

6

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

Power

connector

pin

assignments

(PWR1)

 

 

 

 

 

 

Pin (P8)

Color

 

Pin (P9)

Color

 

 

 

 

 

 

1

 

Black

1

 

Red

 

 

 

 

 

 

2

 

Black

2

 

Red

 

 

 

 

 

 

 

3

 

Blue

 

3

 

Red

 

 

 

 

 

 

4

 

Yellow

4

 

White

 

 

 

 

 

 

 

5

 

Red

 

5

 

Black

 

 

 

 

 

 

6

 

Orange

6

 

Black

 

 

 

 

 

 

 

22 SBC-658 User Manual

Page 31
Image 31
IBM SBC-658 manual Power connectors P8 & P9 PWR1