Intel DQ35JO Product Guide - Page 53

Connecting to the Alternate Front Panel Power LED Header, Connecting to the Front Panel Header

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Installing and Replacing Desktop Board Components Connecting to the Alternate Front Panel Power LED Header Figure 24, F on page 50 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 Connecting to the Front Panel Header Before connecting to the front panel header, observe the precautions in "Before You Begin" on page 31. See Figure 24, E on page 50 for the location of the multi-colored front panel header. Table 12 shows the pin assignments for the front panel header. Table 12. 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 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 53

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Installing and Replacing Desktop Board Components
53
Connecting to the Alternate Front Panel Power LED
Header
Figure 24, F on page 50 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
Connecting to the Front Panel Header
Before connecting to the front panel header, observe the precautions in "Before You
Begin" on page 31.
See Figure 24, E on page 50 for the location of the multi-colored
front panel header.
Table 12 shows the pin assignments for the front panel header.
Table 12. 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