2.3.19 4-pin ATX Power Connector (CN25)

 

PIN No.

 

Description

 

 

 

1

 

GND

2

 

GND

 

3

 

+12V

4

 

+12V

2.3.21 Front Panel Connector (CN27)

 

 

IrDA

 

 

 

 

 

 

PIN No.

Signal Description

 

 

1

+5V

 

 

5

IRRX

 

 

7

Ground

 

 

9

IRTX

 

 

 

System Reset

 

 

 

 

 

 

PIN No.

Signal Description

 

 

2

Reset

 

 

4

Ground

 

 

 

External Speaker

 

 

 

 

 

 

PIN No.

Signal Description

 

 

8

Speaker

 

 

14

+5V

 

ADE-9040 User’s Manual

2.3.20 24-pin ATX Power Connector (CN26)

 

Description

 

PIN No.

 

PIN No.

 

Description

 

 

 

 

 

+3.3V

 

13

 

1

 

+3.3V

 

-12V

14

2

 

+3.3V

 

Ground

 

15

 

3

 

Ground

 

PS_ON

16

4

 

+5V

 

Ground

 

17

 

5

 

Ground

 

Ground

18

6

 

+5V

 

Ground

 

19

 

7

 

Ground

 

-5V

20

8

 

PW_OK

 

+5V

 

21

 

9

 

5VSB

 

+5V

22

10

 

+12V

 

+5V

 

23

 

11

 

+12V

 

Ground

24

12

 

+3.3V

 

 

 

IDE Active LED

 

 

 

 

 

PIN No.

 

Signal Description

 

13

 

+5V (Pull-up for HDD LED)

 

15

 

HDD active# (LED cathode terminal)

 

 

 

System Power On LED

 

 

 

 

 

PIN No.

 

Signal Description

 

18

 

+5V

 

22

 

Power On

 

 

System Power On Switch

 

 

 

 

 

PIN No.

 

Signal Description

 

23

 

Power button control signal

 

25

 

Ground

 

 

 

Keyboard Lock

 

 

 

 

 

PIN No.

 

Signal Description

 

24

 

Keyboard lock

 

26

 

Ground

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