Front Panel Header; Front Panel Usb 2.0 Headers; Front Panel Header Signal Names; Usb 2.0 Header Signal Names - Intel DH55HC Product Manual

Intel Desktop Board DH55HC Product Guide

Front Panel Header

Figure 23, H shows the location of the front panel header. Table 12 shows the pin
assignments and signal names for the front panel header.
Table 12. Front Panel Header Signal Names
Pin Description
Hard Drive Activity LED
1 Hard disk LED pull-up to +5 V Out
3 Hard disk active LED
Reset Switch
5 Ground
7 Reset switch
9 Power
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.

Front Panel USB 2.0 Headers

Figure 23, I shows the location of the standard front panel USB 2.0 header and
Table 13 shows its pin assignments and signal names.
Table 13. USB 2.0 Header Signal Names
Pin Signal Name
1 Power (+5 V)
3 D-
5 D+
7 Ground
9 Key
50
In/Out Pin
Out
In
Power
Out
Description
Power LED
2 Front panel LED+
4 Front panel LED-
On/Off Switch
6 Power switch
8 Ground
Not Connected
10 No pin
Pin Signal Name
2 Power (+5 V)
4 D-
6 D+
8 Ground
10 No Connection
In/Out
Out
Out
In