Intel D2500HN Technical Product Specification for Intel Desktop Board D2500HN - Page 47

Front Panel Header

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Technical Reference 2.2.2.4 Front Panel Header This section describes the functions of the front panel header. Table 18 lists the signal names of the front panel header. Figure 12 is a connection diagram for the front panel header. Table 19. Front Panel Header Pin Signal In/ Out Description Hard Drive Activity LED 1 HD_PWR Out Hard disk LED pull-up to +5 V 3 HDA# Out Hard disk active LED Reset Switch 5 Ground Ground 7 FP_RESET# In Reset switch Power 9 +5 V Power Pin Signal In/ Out Description Power LED 2 HDR_BLNK_GRN Out Front panel green LED 4 HDR_BLNK_YEL Out Front panel yellow LED On/Off Switch 6 FPBUT_IN In Power switch 8 Ground Ground Not Connected 10 N/C Not connected Figure 12. Connection Diagram for Front Panel Header 47

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Technical Reference
47
2.2.2.4
Front Panel Header
This section describes the functions of the front panel header.
Table 18 lists the signal
names of the front panel header.
Figure 12 is a connection diagram for the front panel
header.
Table 19.
Front Panel Header
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 to +5 V
2
HDR_BLNK_GRN Out
Front panel green
LED
3
HDA#
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
Power
Not Connected
9
+5 V
Power
10
N/C
Not connected
Figure 12.
Connection Diagram for Front Panel Header