English Product Guide

Intel Desktop Board DQ45EK Product Guide

Alternate Front Panel Power LED Header

Figure 18, 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 power LED cable, connect it to this header. Table 11

shows

the pin assignments for the alternate front panel header.

Table 11. 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

See Figure 18, F 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 Signal Names

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