Intel D845GEBV2 BLKD845GEBV2L-10PK Manuale Utente

70 

 

This section describes the functions of the front panel connector.  Table 36 lists the signal names 
of the front panel connector. 

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 

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

 

 

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. 

 

The SCSI hard drive activity LED connector  

Section 1.8.3.2, page 34 

 

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.