Front Panel Header; Alternate Power Led Header; Chassis Intrusion Header; Front Panel Header Signal Names - Intel D925XHY Product Manual

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
Hard Drive Activity LED (Yellow)
1 HD_PWR
3 HDA#
Reset Switch (Purple)
5 Ground
7 FP_RESET#
9 N/C

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.
In/Out Description
Out Hard disk LED pull-
up (330 Ω) to +5 V
Out Hard disk active LED
Ground
In Reset switch
Not connected
Installing and Replacing Desktop Board Components
Pin Signal
Power LED (Green)
2 HDR_BLNK_GRN Out
4 HDR_BLNK_YEL
On/Off Switch (Red)
6 SWITCH_ON#
8 Ground
10 No pin
In/Out Description
Front panel green
LED
Out Front panel yellow
LED
In Power switch
Ground
43