Connection Diagram For Front Panel Header; Front Panel Header; Reset Switch Header - Intel DH67BL Specification

2.2.2.4

Front Panel Header

This section describes the functions of the front panel header. Table 27 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 27. Front Panel Header
Pin Signal Name
1 HDD_POWER_LED
3 HDD_LED#
5 GROUND
7 RESET_SWITCH#
9 +5V_DC
Figure 11. Connection Diagram for Front Panel Header
2.2.2.4.1 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.
2.2.2.4.2

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.
Description Pin
Pull-up resistor (750 2
Ω) to +5V
[Out] Hard disk 4
activity LED
Ground 6
[In] Reset switch 8
Power 10
Technical Reference
Signal Name Description
POWER_LED_MAIN [Out] Front panel LED
(main color)
POWER_LED_ALT [Out] Front panel LED
(alt color)
POWER_SWITCH# [In] Power switch
GROUND Ground
Key No pin
51