Intel NUC Board NUC5PGYH Technical Product Specification
46
2.2.4.5
Front Panel Header (2.0 mm Pitch)
This section describes the functions of the front panel header. Table 17 lists the signal names of
the front panel header. Figure 14 is a connection diagram for the front panel header.
Table 17. Front Panel Header (2.0 mm Pitch)
Pin
Signal Name
Description
Pin
Signal Name
Description
1
HDD_POWER_LED
Pull-up resistor (750 Ω)
to +5V
2
POWER_LED_MAIN
[Out] Front panel LED (main
color)
3
HDD_LED#
[Out] Hard disk activity
LED
4
POWER_LED_ALT
[Out] Front panel LED (alt
color)
5
GROUND
Ground
6
POWER_SWITCH#
[In] Power switch
7
RESET_SWITCH#
[In] Reset switch
8
GROUND
Ground
9
+5V_DC
Power (2A)
10
Key
No pin
Figure 14. Connection Diagram for Front Panel Header (2.0 mm Pitch)
2.2.4.5.1
Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from
or written to a hard drive. Proper LED function requires a SATA hard drive or optical drive
connected to an onboard SATA connector.
2.2.4.5.2
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.
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