INSTALLATIONS

Hard Disk Drive LED Connector: Pins 10 and 20 This connector connects to the hard drive activity LED on control panel. This LED will flash when the HDD is being accessed.

Pin #

Signal Name

10

HDD Active

20

5V

 

 

FAN1: CPU Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

FAN2: VGA Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

FAN3: Chassis Fan Power Connector

 

Pin #

Signal Name

 

 

1

Ground

 

2+12V

3Rotation detection

20

MB820 User’s Manual

Page 24
Image 24
Intel MB820 user manual FAN1 CPU Fan Power Connector, FAN2 VGA Fan Power Connector, FAN3 Chassis Fan Power Connector