
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.
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