Intel DG41RQ Product Guide - Page 45

Front Panel Header, Alternate Front Panel Power LED Header, Table 10. Front Panel Header - front panel connection

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Page 45 highlights

Installing and Replacing Desktop Board Components Front Panel Header Before connecting to the front panel header, observe the precautions in "Before You Begin" on page 25. See Figure 20, E on page 42 for the location of the multi-colored front panel header. Table 10 shows the pin assignments for the front panel header. Table 10. Front Panel Header Pin Description In/Out Pin Description Hard Drive Activity LED Power LED 1 Hard disk LED pull-up to +5 V Out 3 Hard disk active LED Out 2 Front panel green LED 4 Front panel yellow LED Reset Switch On/Off Switch 5 Ground 7 Reset switch 6 Power switch In 8 Ground Power Not Connected 9 Power Out 10 No pin In/Out Out Out In Alternate Front Panel Power LED Header Figure 20, F on page 42 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 11 shows the pin assignments for the alternate front panel power LED header. Table 11. Alternate Front Panel Power LED Header Pin Description 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out 45

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Installing and Replacing Desktop Board Components
45
Front Panel Header
Before connecting to the front panel header, observe the precautions in "Before You
Begin" on page 25.
See Figure 20, E on page 42 for the location of the multi-colored
front panel header.
Table 10 shows the pin assignments for the front panel header.
Table 10. Front Panel Header
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 green LED
Out
3
Hard disk active LED
Out
4
Front panel yellow 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
Alternate Front Panel Power LED Header
Figure 20, F on page 42 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 11 shows the pin assignments for the alternate front panel power LED header.
Table 11. Alternate Front Panel Power LED Header
Pin
Description
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out