PCI Backplane and Enclosure

D.3 Connectors

This section describes the connectors present on the PCI backplane.

D.3.1 Power connector

The power connector is a standard ATX style connector as used in PCs. The pinout for the connector is listed in Table D-5.

Table D-5 ATX power connector

Signal

Pin

Pin

Signal

 

 

 

 

3V3

1

11

3V3

 

 

 

 

3V3

2

12

–12V

 

 

 

 

GND

3

13

GND

 

 

 

 

5V

4

14

nPSON

 

 

 

 

GND

5

15

GND

 

 

 

 

5V

6

16

GND

 

 

 

 

GND

7

17

GND

 

 

 

 

PWOK

8

18

NC

 

 

 

 

ATX5VSB

9

19

5V

 

 

 

 

12V

10

20

5V

 

 

 

 

D-10

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ARM DUI 0224I

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Image 348
ARM ARM DUI 0224I manual Power connector, Table D-5 ATX power connector Signal Pin, 3V3 12V, Npson, GND Pwok ATX5VSB