Intel DQ965CO DQ965CO Technical Product Specification - Page 65

Auxiliary Front Panel Power LED Header

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Technical Reference 2.7.2.3.2 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. 2.7.2.3.3 Power/Sleep LED Header Pins 2 and 4 can be connected to a one- or two-color LED. Table 30 shows the possible states for a one-color LED. Table 31 shows the possible states for a two-color LED. Table 30. States for a One-Color Power LED LED State Description Off Power off/sleeping Steady Green Running Table 31. States for a Two-Color Power LED LED State Description Off Steady Green Power off Running Steady Yellow Sleeping NOTE The colors listed in Table 30 and Table 31 are suggested colors only. Actual LED colors are product- or customer-specific. 2.7.2.3.4 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. 2.7.2.4 Auxiliary Front Panel Power LED Header Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. Table 32. Auxiliary Front Panel Power LED Header 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 65

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Technical Reference
65
2.7.2.3.2
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.
2.7.2.3.3
Power/Sleep LED Header
Pins 2 and 4 can be connected to a one- or two-color LED.
Table 30 shows the
possible states for a one-color LED.
Table 31 shows the possible states for a two-color
LED.
Table 30. States for a One-Color Power LED
LED State
Description
Off
Power off/sleeping
Steady Green
Running
Table 31. 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 30 and Table 31 are suggested colors only.
Actual LED
colors are product- or customer-specific.
2.7.2.3.4
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.
2.7.2.4
Auxiliary Front Panel Power LED Header
Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel
header.
Table 32. Auxiliary Front Panel Power LED Header
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