SE7221BK1-E Technical Product Specification

7.Connectors

7.1Main Power Connector

The main power supply connection is obtained using the 24-pin connector. The following table defines the pin-outs of the connector.

Table 16. Power Connector Pin-out (CN4H1)

Pin

Signal

18 AWG Color

Pin

Signal

18 AWG Color

1*

+3.3VDC

Orange

13

+3.3VDC

Orange

 

3.3V RS

Orange (24AWG)

14

-12VDC

Blue

2

+3.3VDC

Orange

15

COM

Black

 

 

 

 

 

 

3*

COM

Black

16

PSON#

Green

 

COM RS

Black (24AWG)

17

COM

Black

 

 

 

 

 

 

4*

+5VDC

Red

18

COM

Black

 

5V RS

Red (24AWG)

19

COM

Black

5

COM

Black

20

Reserved

N.C.

 

 

 

 

 

 

6

+5VDC

Red

21

+5VDC

Red

 

 

 

 

 

 

7

COM

Black

22

+5VDC

Red

 

 

 

 

 

 

8

PWR OK

Gray

23

+5VDC

Red

 

 

 

 

 

 

9

5 VSB

Purple

24

COM

Black

 

 

 

 

 

 

10

+12V3

Yellow

 

 

 

 

 

 

 

 

 

11

+12V3

Yellow

 

 

 

 

 

 

 

 

 

12

+3.3VDC

Orange

 

 

 

 

 

 

 

 

 

Table 17. Auxiliary CPU Power Connector Pin-out (CN4B1)

Pin

Signal

18 AWG color

Pin

Signal

1

COM

Black

5*

+12V1

2

COM

Black

 

12V1 RS

3

COM

Black

6

+12V1

 

 

 

 

 

4

COM

Black

7

+12V2

 

 

 

 

 

 

 

 

8*

+12V2

 

 

 

 

12V2 RS

 

 

 

 

 

18 AWG Color

White

Yellow (24AWG)

White

Brown

Brown

Yellow (24AWG)

25

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Image 37
Intel SE7221BK1-E manual Connectors, Main Power Connector, Power Connector Pin-out CN4H1, Pin Signal AWG Color