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1) ATX (ATX Power)

AC power cord should only be connected to your power supply unit after ATX power cable and other related devices are firmly connected to the mainboard.

11

1

Pin No.

Definition

Pin No.

Definition

1

3.3V

11

3.3V

 

 

 

 

2

3.3V

12

-12V

 

 

3

GND

13

GND

 

 

4

VCC

14

PS_ON(soft on/off)

 

 

5

GND

15

GND

 

 

6

VCC

16

GND

 

 

7

GND

17

GND

 

 

8

Power Good

18

-5V

20

10

9

5V SB (stand by +5V)

19

VCC

 

 

10

+12V

20

VCC

2) CPU_FAN (CPU Fan Connector)

Please note, a proper installation of the CPU cooler is essential to prevent the CPU from running under abnormal condition or damaged by overheating. The CPU fan connector supports Max. current up to 600 mA.

 

 

 

 

 

Pin No.

Definition

1

 

 

 

 

 

 

1

GND

 

 

 

 

 

 

 

 

 

 

 

 

2

+12V

 

 

 

 

 

3

Sense

3) SYS_FAN (System Fan Connector)

This connector allows you to link with the cooling fan on the system case to lower the system temperature.

1

Pin No. Definition

1GND

2+12V

3Sense

7VM400AM-RZ Motherboard

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Gigabyte 7VM400AM-RZ user manual ATX ATX Power, Cpufan CPU Fan Connector, Sysfan System Fan Connector