Intel D845HV Product Specification - Page 70

Front Panel Connector

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Intel Desktop Board D845HV/D845WN Technical Product Specification 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 Hard Drive Activity LED 1 HD_PWR Out Hard disk LED 2 pull-up (330 Ω) to +5 V 3 HAD# Out Hard disk active LED 4 Reset Switch 5 Ground Ground 6 7 FP_RESET# In Reset switch 8 Infrared Port 9 +5 V Out Power 10 11 IRRX In IrDA serial input 12 13 Ground Ground 14 15 IRTX Out IrDA serial output 16 Signal In/Out Description Power LED HDR_BLNK_ Out GRN Front panel green LED HDR_BLNK_ Out YEL Front panel yellow LED On/Off Switch FPBUT_IN In Power switch Ground Ground Miscellaneous N/C Ground Ground (pin removed) Not connected +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 The SCSI hard drive activity LED connector Refer to 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. 70

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Intel Desktop Board D845HV/D845WN Technical Product Specification
70
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.