Intel DG41MJ Product Guide - Page 41

Alternate Front Panel Power LED Header, Front Panel Header

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Installing and Replacing Desktop Board Components Alternate Front Panel Power LED Header Figure 18, E on page 38 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 power LED header. Table 10. Alternate Front Panel Power LED Header Signal Names Pin Description 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out Front Panel Header Before connecting to the front panel header, observe the precautions in "Before You Begin" on page 23. See Figure 18, F on page 38 for the location of the multi-colored front panel header. Table 11 shows the pin assignments 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 green LED 3 Hard disk active LED Out 4 Front panel yellow 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 41

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Installing and Replacing Desktop Board Components
41
Alternate Front Panel Power LED Header
Figure 18, E on page 38 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 power LED header.
Table 10. Alternate Front Panel Power LED Header Signal Names
Pin
Description
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out
Front Panel Header
Before connecting to the front panel header, observe the precautions in "Before You
Begin" on page 23.
See Figure 18, F on page 38 for the location of the multi-colored
front panel header.
Table 11 shows the pin assignments 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 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