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 | In/Out | Pin | Description | In/Out |
|
|
|
|
|
|
| Hard Drive Activity LED |
|
| Power LED |
|
|
|
|
|
|
|
1 | Hard disk LED | 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.
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+ |
7Ground
9Key
Pin | Signal Name |
|
|
2 | Power (+5 V) |
|
|
4 | D- |
|
|
6 | D+ |
|
|
8 | Ground |
|
|
10 | No Connection |
|
|
50
