States For A One-Color Power Led; States For A Two-Color Power Led - Intel D845GLLY Specification

2.2.3.1.1 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. For the LED to function properly, an IDE drive must be connected to
the onboard IDE interface.
2.2.3.1.2 Reset Switch Connector
Pins 5 and 7 can be connected to a momentary SPST type switch that is normally open. When the
switch is closed, the Desktop Board resets and runs the POST.
2.2.3.1.3 Power/Sleep/Message Waiting LED Connector
Pins 2 and 4 can be connected to a one- or two-color LED. Table 15 shows the possible states for
a one-color LED. Table 16 shows the possible states for a two-color LED.
Table 15.

States for a One-Color Power LED

LED State
Off
Steady Green
Blinking Green
Table 16.

States for a Two-Color Power LED

LED State
Off
Steady Green
Blinking Green
Steady Yellow
Blinking Yellow
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INTEGRATOR'S NOTE
To use the message waiting function, ACPI must be enabled in the operating system and a
message-capturing application must be invoked.
Description
Power off/sleeping
Running
Running/message waiting
Description
Power off
Running
Running/message waiting
Sleeping
Sleeping/message waiting
Product-Specific Features
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