![background image](http://html.mh-extra.com/html/ibase-technology/mb820/mb820_user-manual_604992026.webp)
INSTALLATIONS
22
MB820 User’s Manual
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
J13: USB Connector
The following table shows the pin outs of the USB pin header connector.
Signal Name Pin
Pin Signal Name
Vcc 1
5
Ground
D- 2
6 D
+
D +
3
7
D -
J13
Ground 4
8 Vcc
FAN1: CPU Fan Power Connector
Pin #
Signal Name
1 Ground
2 +12V
3 Rotation
detection
FAN2: VGA Fan Power Connector
Pin #
Signal Name
1 Ground
2 +12V
3 Rotation
detection
FAN3: Chassis Fan Power Connector
Pin #
Signal Name
1 Ground
2 +12V
3 Rotation
detection