Intel DP55WB Product Specification - Page 46

States for a One-Color Power LED

Page 46 highlights

Intel Desktop Board DP55WB Technical Product Specification 2.2.2.4.2 Reset Switch Header 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. 2.2.2.4.3 Power/Sleep LED Header Pins 2 and 4 can be connected to a one- or two-color LED. Table 21 shows the possible states for a one-color LED. Table 22 shows the possible states for a two-color LED. Table 21. States for a One-Color Power LED LED State Description Off Power off/sleeping Steady Green Running Table 22. States for a Two-Color Power LED LED State Description Off Power off Steady Green Running Steady Yellow Sleeping NOTE The colors listed in Table 21 and Table 22 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. 46

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Intel Desktop Board DP55WB Technical Product Specification
46
2.2.2.4.2
Reset Switch Header
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.
2.2.2.4.3
Power/Sleep LED Header
Pins 2 and 4 can be connected to a one- or two-color LED.
Table 21 shows the
possible states for a one-color LED.
Table 22 shows the possible states for a two-color
LED.
Table 21.
States for a One-Color Power LED
LED State
Description
Off
Power off/sleeping
Steady Green
Running
Table 22.
States for a Two-Color Power LED
LED State
Description
Off
Power off
Steady Green
Running
Steady Yellow
Sleeping
NOTE
The colors listed in Table 21 and Table 22 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.