beautypg.com

COMMELL LV-678 User Manual

Page 29

background image

LV-678 User’s Manual

29

Connector: ATX
Type: 24-pin ATX power connector

PIN assignment

1 3.3V

13 3.3V

2 3.3V

14 -12V

3 GND

15 GND

4 5V

16 PS_ON

5 GND

17 GND

6 5V

18 GND

7 GND

19 GND

8 PW_OK

20 -5V

9 5V_SB

21 5V

10 12V

22 5V

11 12V

23 5V

12 3.3V

24 GND

Connector: CN_12V
Type: 4-pin standard Pentium 4 additional +12V power connector

Pin

Description

Pin

Description

1 Ground

2 Ground

3 +12V

4 +12V

Connector: CPUFAN
Type: 4-pin fan wafer connector

Pin

Description

Pin

Description

1 Ground

2 +12V

3

Fan Speed Detection

4

Fan Control


Connector: SYSFAN
Type: 3-pin fan wafer connector

Pin Description

Pin

Description

Pin

Description

1 Ground

2

+12V

3

Sense