Connection Diagram For Front Panel Connector; States For A One-Color Power Led - Intel BLKD865GSAL Technical Product Specification

Hard Drive
Activity LED
Figure 12. Connection Diagram for Front Panel Connector
2.7.2.3.1 Hard Drive Activity LED Connector
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being
read from or written to a hard drive. Proper LED function requires one of the following:
• A Serial ATA hard drive connected to an onboard Serial ATA connector
• A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector
2.7.2.3.2 Reset Switch Connector
Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type
switch that is normally open. When the switch is closed, the board resets and runs the
POST.
2.7.2.3.3 Power/Sleep LED Connector
Pins 2 and 4 can be connected to a one- or two-color LED. Table 31 shows the possible
states for a one-color LED. Table 32 shows the possible states for a two-color LED.
Table 31. States for a One-Color Power LED
LED State
Off
Steady Green
+
1 2
-
3 4
5 6
Reset
Switch
7 8
9
+5 V DC
Description
Power off/sleeping
Running
Technical Reference
Single- Dual-
colored colored
Power LED Power LED
+
-
-
+
Power
Switch
N/C
OM18308
59