Intel DG41KR English Product Guide - Page 47

Front Panel Header, Alternate Front Panel Power LED Header, Table 8. Front Panel Header Signal Names

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Installing and Replacing Desktop Board Components Front Panel Header See Figure 21, C for the location of the front panel header. Table 8 shows the pin assignments for the front panel header. Table 8. Front Panel Header Signal Names Pin Signal Name In/Out Pin Signal Name 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 Alternate Front Panel Power LED Header Figure 21, D 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 front panel power LED cable, connect it to this header. Table 9 shows the pin assignments for the alternate front panel header. Table 9. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out 47

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Installing and Replacing Desktop Board Components
47
Front Panel Header
See Figure 21, C for the location of the front panel header.
Table 8 shows the pin
assignments for the front panel header.
Table 8. Front Panel Header Signal Names
Pin
Signal Name
In/Out Pin Signal Name
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 21, D 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 front panel power LED cable, connect it to this header.
Table 9 shows the pin assignments for the alternate front panel header.
Table 9. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out