Connection Diagram For Front Panel Header; Front Panel Connector - Intel DH87MC Specification

Intel Desktop Board DH87MC Technical Product Specification
2.2.2.4

Front Panel Connector

This section describes the functions of the front panel header. Table 28 lists the signal
names of the front panel header. Figure 10 is a connection diagram for the front panel
header.
Table 28. Front Panel Connector
Pin Signal Name
1 HDD_POWER_LED
3 HDD_LED#
5 GROUND
7 RESET_SWITCH#
9 +5 V_DC
Figure 10. Connection Diagram for Front Panel Header
2.2.2.4.1 Hard Drive Activity LED
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
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.
50
Description Pin
Pull-up resistor 2
(750 Ω) to +5 V
[Out] Hard disk 4
activity LED
Ground 6
[In] Reset switch 8
Power 10
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