Datasheet

Intel Desktop Board D845GEBV2/D845GERG2 Technical Product Specification
70
2.8.3.1 Front Panel Connector
This section describes the functions of the front panel connector. Table 36 lists the signal names
of the front panel connector.
Table 36. 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 SWITCH_ON# In Power switch
7 FP_RESET# In Reset switch 8 Ground Ground
9 +5 V Out Power 10 N/C Not connected
OM14561
8
6
4
2
9
7
5
3
1
Hard Drive
Activity LED
Reset
Switch
+5 V DC
N/C
Power
Switch
Power
LED
2.8.3.1.1 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 SCSI
hard drive activity LED connector.
For information about Refer to
The SCSI hard drive activity LED connector Section 1.8.3.2, page 34
2.8.3.1.2 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 Desktop Board resets and runs the POST.