| Format of PCI Configuration for Intel 82371FB/82371SB Function 1 (IDE) | 
| Offset | Size | Description | 
|---|---|---|
| 00h | 64 BYTEs | header (see #00878) (vender ID 8086h, device ID 1230h/7010h) | 
| 20h | DWORD | Bus Master Interface Base Address | 
| 40h | WORD | IDE timing modes, primary channel (see #01223) | 
| 42h | WORD | IDE timing modes, secondary channel (see #01223) | 
| 44h | BYTE | (82371SB) slave IDE timing register (see #01224) | 
| 45h | 187 BYTEs | reserved | 
| See Also: |