Intel D865GSA Product Specification - Page 59

Table 31. States for a One-Color Power LED

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Technical Reference Hard Drive Activity LED + 1 2 - 3 4 Reset Switch 5 6 7 8 +5 V DC 9 Singlecolored Power LED + - Power Switch N/C Dualcolored 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 59

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Technical Reference
59
Dual-
colored
Power LED
Single-
colored
Power LED
OM18308
8
6
4
2
9
7
5
3
1
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch
+
-
+
-
+
-
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