Intel BOXDH67CLB3 Product Guide - Page 47

Alternate Front Panel Power LED Header, Front Panel Header

Page 47 highlights

Installing and Replacing Desktop Board Components Alternate Front Panel Power LED Header Figure 20, E shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 10 shows the pin assignments for the alternate front panel header. Table 10. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel LED+ 2 No pin 3 Front panel LED- In/Out Out Out Front Panel Header Figure 20, F shows the location of the front panel header. Table 11 shows the pin assignments and signal names for the front panel header. Table 11. Front Panel Header Signal Names Pin Description In/Out Pin Description Hard Drive Activity LED Power LED 1 Hard disk LED pull-up to +5 V Out 2 Front panel LED+ 3 Hard disk active LED Out 4 Front panel LED- Reset Switch On/Off Switch 5 Ground 6 Power switch 7 Reset switch In 8 Ground Power Not Connected 9 Power Out 10 No pin In/Out Out Out In NOTE When connecting individual wires from your chassis front panel to the front panel header, be sure to observe the connection polarity. Positive wires are usually solid color and negative wires are usually white or striped. 47

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Installing and Replacing Desktop Board Components
47
Alternate Front Panel Power LED Header
Figure 20, E shows the location of the alternate front panel power LED header.
Pins 1
and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header.
If
your chassis has a three-pin power LED cable, connect it to this header.
Table 10
shows the pin assignments for the alternate front panel header.
Table 10. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel LED+
Out
2
No pin
3
Front panel LED-
Out
Front Panel Header
Figure 20, F shows the location of the front panel header.
Table 11 shows the pin
assignments and signal names for the front panel header.
Table 11. Front Panel Header Signal Names
Pin
Description
In/Out Pin Description
In/Out
Hard Drive Activity LED
Power LED
1
Hard disk LED pull-up to +5 V Out
2
Front panel LED+
Out
3
Hard disk active LED
Out
4
Front panel LED-
Out
Reset Switch
On/Off Switch
5
Ground
6
Power switch
In
7
Reset switch
In
8
Ground
Power
Not Connected
9
Power
Out
10
No pin
NOTE
When connecting individual wires from your chassis front panel to the front panel
header, be sure to observe the connection polarity.
Positive wires are usually
solid color and negative wires are usually white or striped.