States For A One-Color Power Led; States For A Two-Color Power Led - Intel DQ77KB Specification

2.2.3.4.3 Power/Sleep LED Header
Pins 2 and 4 can be connected to a one- or two-color LED. Table 40 shows the
possible states for a one-color LED. Table 41 shows the possible states for a two-color
LED.
Table 40. States for a One-Color Power LED
LED State
Off
Steady Green
Table 41. States for a Two-Color Power LED
LED State
Off
Steady Green
Steady Yellow
NOTE
The colors listed in Table 40 and Table 41 are suggested colors only. Actual LED colors
are chassis-specific.
2.2.3.4.4 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.
Description
Power off/sleeping
Running
Description
Power off
Running
Sleeping
Technical Reference
65