Front Panel Connector (J8C3) - Intel D815EEA Technical Product Specification

2.8.3.3 Front Panel Connector
This section describes the functions of the front panel connector. Table 48 lists the signal names
of the front panel connector.
Table 48.

Front Panel Connector (J8C3)

Pin Signal
1 HD_PWR
3 HDA#
5 GND
7 FP_RESET#
9 +5 V
11 IRRX
13 GND
15 IRTX
2.8.3.3.1 Infrared Port Connector
Serial port B can be configured to support an IrDA module connected to pins 9, 11, 13, and 15.
For information about
Infrared support
Configuring serial port B for infrared applications
2.8.3.3.2 Reset Switch Connector
Pins 5 and 7 can be connected to a momentary SPST type switch that is normally open. When the
switch is closed, the D815EEA board resets and runs the POST.
2.8.3.3.3 Hard Drive Activity LED Connector
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. For the LED to function properly, an IDE drive must be connected to
the onboard IDE interface. The LED will also show activity for devices connected to the SCSI
hard drive activity LED connector.
For information about
The SCSI hard drive activity LED connector
2.8.3.3.4 Power/Sleep/Message Waiting LED Connector
Pins 2 and 4 can be connected to a single- or dual-colored LED. Table 49 shows the possible
states for a single-colored LED. Table 50 shows the possible states for a dual-colored LED.
In/Out Description
Out Hard disk LED pull-
up (330 Ω) to +5 V
Out Hard disk active LED
Ground
In Reset switch
Out IR Power
In IrDA serial input
Ground
Out IrDA serial output
Pin Signal In/Out
2 HDR_BLNK_ Out
GRN
4 HDR_BLNK_ Out
YEL
6 FPBUT_IN In
8 GND
10 N/C
12 GND
14 (pin removed)
16 +5 V Out
Refer to
Section 1.7.2, page 26
Section 4.4.3, page 104
Refer to
Section 2.8.3.1, page 70
Technical Reference
Description
Front panel green
LED
Front panel yellow
LED
Power switch
Ground
Ground
Not connected
Power
71