INSTALLATIONS
18
IB730 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
Ground
20
5V
P1: P8 AT Power Connector
Pin #
Signal Name
1
N.C.
2
+5V
3
+12V
4
-12V
5
Ground
1
6
6
Ground
J2: External Keyboard Connector
1
Pin #
Signal Name
1
Keyboard clock
2
Keyboard data
3
NC
4
GND
5
5
Vcc
J4: CPU Fan Power Connector
J4 is a 3-pin header for the CPU fan. The fan must be a 12V fan.
Pin #
Signal Name
1
Rotation
2
+12V
1 2 3
3
Ground