Alternate Front Panel Power/Sleep Led Header - Intel DH67BL Specification

Intel Desktop Board DH67GD and Intel Desktop Board DH67BL Technical Product
Specification
2.2.2.4.3 Power/Sleep LED Header
Pins 2 and 4 can be connected to a one- or two-color LED. Table 28 shows the
possible states for a one-color LED. Table 29 shows the possible states for a two-color
LED.
Table 28. States for a One-Color Power LED
LED State
Off
Steady Green
Table 29. States for a Two-Color Power LED
LED State
Off
Steady Green
Steady Yellow
NOTE
The colors listed in Table 28 and Table 29 are suggested colors only. Actual LED
colors are chassis-specific.
2.2.2.4.4 Power Switch Header
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 board.) At least two seconds must pass before the power supply will recognize
another on/off signal.
2.2.2.5

Alternate Front Panel Power/Sleep LED Header

Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel
header.
Table 30. Alternate Front Panel Power/Sleep LED Header
Pin Signal Name
1 POWER_LED_MAIN
2 Key (no pin)
3 POWER_LED_ALT
52
Description
Power off/sleeping
Running
Description
Power off
Running
Sleeping
Description
[Out] Front panel LED (main color)
[Out] Front panel LED (alt color)