Intel BLKDH67BL Product Guide - Page 47
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 20, E 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 header. Table 10. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel LED+ 2 No pin 3 Front panel LED- In/Out Out Out Front Panel Header Figure 20, F shows the location of the front panel header. Table 11 shows the pin assignments and signal names 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 LED+ 3 Hard disk active LED Out 4 Front panel 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 NOTE When connecting individual wires from your chassis front panel to the front panel header, be sure to observe the connection polarity. Positive wires are usually solid color and negative wires are usually white or striped. 47