Intel D925XHY English Product Guide - Page 43

Front Panel Header, Alternate Power LED Header, Chassis Intrusion Header

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Installing and Replacing Desktop Board Components Front Panel Header Figure 20, C on page 41 shows the location of the multi-colored front panel header. Table 8 shows the pin assignments for the front panel header. Table 8. Front Panel Header Signal Names Pin Signal In/Out Description Pin Signal In/Out Description Hard Drive Activity LED (Yellow) Power LED (Green) 1 HD_PWR Out Hard disk LED pull- 2 HDR_BLNK_GRN Out Front panel green up (330 Ω) to +5 V LED 3 HDA# Out Hard disk active LED 4 HDR_BLNK_YEL Out Front panel yellow LED Reset Switch (Purple) On/Off Switch (Red) 5 Ground 7 FP_RESET# In Ground Reset switch 6 SWITCH_ON# In 8 Ground Power switch Ground 9 N/C Not connected 10 No pin Alternate Power LED Header Figure 20, B on page 41 shows the location of the alternate power LED header. If you have a three-pin power LED cable, connect it to this header. Chassis Intrusion Header Figure 20, A on page 41 shows the location of the chassis intrusion header. Connect the cable to the header. 43

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Installing and Replacing Desktop Board Components
43
Front Panel Header
Figure 20, C on page 41 shows the location of the multi-colored front panel header.
Table 8 shows
the pin assignments for the front panel header.
Table 8.
Front Panel Header Signal Names
Pin Signal
In/Out
Description
Pin
Signal
In/Out
Description
Hard Drive Activity LED (Yellow)
Power LED (Green)
1
HD_PWR
Out
Hard disk LED pull-
up (330
Ω
) 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 (Purple)
On/Off Switch (Red)
5
Ground
Ground
6
SWITCH_ON#
In
Power switch
7
FP_RESET#
In
Reset switch
8
Ground
Ground
9
N/C
Not connected
10
No pin
Alternate Power LED Header
Figure 20, B on page 41 shows the location of the alternate power LED header.
If you have a
three-pin power LED cable, connect it to this header.
Chassis Intrusion Header
Figure 20, A on page 41 shows the location of the chassis intrusion header.
Connect the cable to
the header.