Premio Computer Apollo/Shadowhawk - Manual (Page 95)

Intel Desktop Board D845HV/D845WN Technical Product Specification
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2.8.3.2 Front Panel Connector
This section describes the functions of the front panel connector. Table 45 lists the signal names
of the front panel connector.
Table 45. Front Panel Connector
Pin Signal In/Out Description Pin Signal In/Out Description
Hard Drive Activity LED Power LED
1 HD_PWR Out Hard disk LED
pull-up (330
Ω) to +5
V
2 HDR_BLNK_
GRN Out Front panel green
LED
3 HAD# Out Hard disk active LED 4 HDR_BLNK_
YEL Out Front panel yellow
LED
Reset Switch On/Off Switch
5 Ground Ground 6 FPBUT_IN In Power switch
7 FP_RESET# In Reset switch 8 Ground Ground
Infrared Port Miscellaneous
9 +5 V Out Power 10 N/C
11 IRRX In IrDA serial input 12 Ground Ground
13 Ground Ground 14 (pin removed) Not connected
15 IRTX Out IrDA serial output 16 +5 V Out Power
2.8.3.2.1 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 optional
SCSI hard drive activity LED connector.
For information about Refer to
The SCSI hard drive activity LED connector Section 1.8.3.2, page 28
2.8.3.2.2 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 D845HV/D845WN board resets and runs the POST.
2.8.3.2.3 Infrared Port Connector
Pins 9, 11, 13, and 15 can be connected to an IrDA module. After the IrDA interface is configured
in the BIOS Setup program, files can be transferred to or from portable devices such as laptops,
PDAs, and printers using application software.
✏
NOTE
The infrared port operates in half duplex mode only.