Intel Desktop Board DP55SB Product Guide
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Table 6. Back Panel CIR Header Emitter (Output) Header Signal Names
Pin Signal Name Pin Signal Name
1 Emitter Out 1 2 Emitter Out 2
3 Ground 4 Key (no pin)
5 Jack Detect 1 6 Jack Detect 2
Front Panel Header
Figure 27, D shows the location of the front panel header. Table 7 shows the pin
assignments and signal names for the front panel header.
Table 7. 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
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.
Alternate Front Panel Power LED Header
Figure 27, 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 8
shows
the pin assignments for the alternate front panel header.
Table 8. 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
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