Installing and Replacing Desktop Board Components
35
Front Panel Header
Figure 16, F shows the location of the front panel header. Table 9 shows the pin
assignments and signal names for the front panel header.
Table 9. 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 LED+ Out
3 Hard disk active LED Out 4 Front panel 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.
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