Intel DESKTOP BOARD D955XBK - Connection Diagram for Front Panel Connector; Front Panel Connector

Technical Reference
63
2.7.2.4 Front Panel Connector
This section describes the functions of the front panel connector. Table 31 lists the signal names of
the front panel connector. Figure 20 is a connection diagram for the front panel connector.
Table 31. Front Panel Connector
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
(750 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
Reset Switch
[Purple]
On/Off Switch
[Red]
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
Purple
OM17000
Hard Drive
Activity LED
Reset
Switch
+5 V DCN/C
Power
Switch
8
6
4
2
9
7
5
3
1
−
+
Single-colored
Power LED
−
+
Dual-colored
Power LED
+
−
Yellow Green Red
Figure 20. Connection Diagram for Front Panel Connector