Intel Desktop Board D845PEMY Product Guide
Connecting the Front Panel Header
Before connecting the front panel header, observe the precautions in “Before You Begin” on page 21. Table 7 shows the pin assignments for the front panel header.
Table 7. Front Panel Header
Pin | Signal |
| In/Out | Description | |
| Hard Drive Activity LED | ||||
|
|
|
|
|
|
1 | HD_PWR |
| Out | Hard disk LED | |
|
|
|
| (750 Ω) to +5 V | |
|
|
|
|
|
|
3 | HAD# |
| Out | Hard disk active LED | |
|
|
|
|
|
|
|
| Reset Switch |
| ||
|
|
|
|
|
|
5 | Ground |
|
| Ground | |
|
|
|
|
| |
7 | FP_RESET# |
| In | Reset switch | |
|
|
|
|
|
|
|
|
| Power |
|
|
|
|
|
|
| |
9 | +5 V |
| Out | Power |
|
|
|
|
|
|
|
Pin | Signal | In/Out |
| Description | |
| Power LED |
| |||
|
|
|
| ||
2 | HDR_BLNK_ | Out |
| Front panel green | |
| GRN |
|
|
| LED |
|
|
|
|
|
|
4 | HDR_BLNK_ | Out |
| Front panel yellow | |
| YEL |
|
|
| LED |
|
|
|
|
| |
| On/Off Switch | ||||
|
|
|
|
| |
6 | SWITCH_ON# |
| In |
| Power switch |
|
|
|
|
|
|
8 | Ground |
|
|
| Ground |
|
|
|
| ||
| Not Connected | ||||
|
|
|
|
|
|
10 | No connect |
|
|
| Not connected |
|
|
|
|
|
|
Installing a USB Solution
Before installing a USB solution, observe the precautions in “Before You Begin” on page 21. Table 8 shows the pin assignments for the USB header.
Table 8. USB Header
Pin
1
3
5
7
9
Signal Name
Power
D-
D+
Ground
Key (no pin)
Pin | Signal Name |
2 | Power |
|
|
4 | D- |
|
|
6 | D+ |
|
|
8 | Ground |
|
|
10 | Not connected |
|
|
Note: USB ports may be assigned as needed.
34