Front panel header, Alternate front panel power led header – Intel D975XBX User Manual
Page 42
Intel Desktop Board D975XBX Product Guide
42
Front Panel Header
Figure 22, E on page 40 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
Power
Not Connected
9
+5 V
Power
10
No pin
Alternate Front Panel Power LED Header
Figure 22, D on page 40 shows the location of the alternate front panel power LED header. If you
have a three-pin power LED cable, connect it to this header.