Hard Disk Led - AOpen AP5TC User Manual

Hardware Installation

2.3.9 Hard Disk LED

The HDD LED connector is marked as HDD LED
on the board. This connector is designed for
different type of housing, actually only two pins are
necessary for the LED. If your housing has four pin
connector, simply plug it in. If you have only two pin
connector, please connect to pin 1-2 or pin 3-4
according to the polarity.
2-18
IDE1 (Primary Channel)
IDE2 (Secondary Channel)
Slave
(4th)
+
1
-
2
-
3
4
+
HDD LED
4-pin connector
Slave
(2nd)
Master
(3rd)
Pin
1
2
3
4
+
1
-
2
-
3
4
+
HDD LED
2-pin connector
at pin 1-2
Master
(1st)
Description
HDD LED
GND
GND
HDD LED
+
1
-
2
-
3
4
+
HDD LED
2-pin connector
at pin 3-4