Format of PCI Configuration Data for Intel 82371AB (PIIX4), IDE Controller |
| Offset | Size | Description |
|---|---|---|
|
00h |
64 BYTEs |
header (see #00878) (vendor ID 8086h, device ID 7111h) |
|
40h |
WORD |
primary channel timing register |
|
42h |
WORD |
secondary channel timing register |
|
44h |
BYTE |
slave IDE timing |
|
45h |
3 BYTEs |
reserved??? |
|
48h |
BYTE |
Ultra DMA/33 control |
|
49h |
BYTE |
reserved??? |
|
4Ah |
WORD |
Ultra DMA/33 timing |
|
4Ch |
180 BYTEs |
reserved |
|
See Also: |