D865GSA Datasheet, PDF (59/94 Pages) Intel Corporation – Technical Product Specification

Technical Reference
Hard Drive
Activity LED
+
1
2
-
3
4
Reset
Switch
5
6
7
8
+5 V DC
9
Single-
colored
Power LED
+
-
Power
Switch
N/C
Dual-
colored
Power LED
-
+
OM18308
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
Description
Off
Power off/sleeping
Steady Green
Running
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