Intel D845GLVA Product Specification - Page 56

INTEGRATOR'S NOTE, 8.3.2, Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector

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Intel Desktop Board D845GLVA Technical Product Specification Table 31. States for a One-Color Power LED LED State Description Off Steady Green Blinking Green Power off/sleeping Running Running/message waiting Table 32. States for a Two-Color Power LED LED State Off Steady Green Blinking Green Steady Yellow Blinking Yellow Description Power off Running Running/message waiting Sleeping Sleeping/message waiting  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. 2.8.3.1.4 Power Switch Connector Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off. (The time requirement is due to internal debounce circuitry on the Desktop Board D845GLVA.) At least two seconds must pass before the power supply will recognize another on/off signal. 2.8.3.2 Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector. Table 33 lists the signal names of the Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector. Table 33. Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector Pin Signal Name 1 HDR_BLNK_GRN 2 Not connected 3 HDR_BLNK_YEL In/Out Out Out Description Front panel green LED Front panel yellow LED 56

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Intel Desktop Board D845GLVA Technical Product Specification
56
Table 31.
States for a One-Color Power LED
LED State
Description
Off
Power off/sleeping
Steady Green
Running
Blinking Green
Running/message waiting
Table 32.
States for a Two-Color Power LED
LED State
Description
Off
Power off
Steady Green
Running
Blinking Green
Running/message waiting
Steady Yellow
Sleeping
Blinking Yellow
Sleeping/message waiting
±
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.
2.8.3.1.4
Power Switch Connector
Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The switch must
pull the SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off.
(The time requirement is due to internal debounce circuitry on the Desktop Board D845GLVA.) At
least two seconds must pass before the power supply will recognize another on/off signal.
2.8.3.2
Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector
Pins 1 and 3 of this connector duplicate the signals on pins 2 and 4 of the front panel connector.
Table 33 lists the signal names of the Auxiliary Front Panel Power/Sleep/Message-Waiting LED
Connector.
Table 33.
Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector
Pin
Signal Name
In/Out
Description
1
HDR_BLNK_GRN
Out
Front panel green LED
2
Not connected
3
HDR_BLNK_YEL
Out
Front panel yellow LED