Format of National Semiconductor PC87410 EIDE Controller configuration |
| Offset | Size | Description |
|---|---|---|
|
00h |
64 BYTEs |
header (see #00878) (vendor ID 100Bh, device ID D001h) |
|
10h |
DWORD |
I/O base address for channel 0 control ports (def: 01F0h) |
|
14h |
DWORD |
I/O base address for channel 0 status port (def: 03F6h) |
|
18h |
DWORD |
I/O base address for channel 1 control ports (def: 0170h) |
|
1Ch |
DWORD |
I/O base address for channel 1 status port (def: 0376h) |
|
40h |
BYTE |
IDE Channel 0 timing control |
|
41h |
WORD |
IDE Channel 0 read-ahead counter (write-only except bit 15) |
|
43h |
BYTE |
IDE Channel 0 function |
|
44h |
BYTE |
IDE Channel 1 timing control |
|
45h |
WORD |
IDE Channel 1 read-ahead counter (write-only except bit 15) |
|
47h |
BYTE |
IDE Channel 1 function |
|
48h |
BYTE |
PCI control |
|
49h |
7 BYTEs |
unused |
|
50h |
176 BYTEs |
??? (unused?) |
|
See Also: |