Input/Output Interfaces
The diskette drive I/F configuration registers are listed in the following table:
Table
Diskette Drive Interface Configuration Registers
Index |
|
| Reset |
Address | Function | R/W | Value |
|
|
|
|
30h | Activate | R/W | 01h |
|
|
|
|
Base Address | R/W | 03F0h | |
|
|
|
|
70h | Interrupt Select | R/W | 06h |
|
|
|
|
74h | DMA Channel Select | R/W | 02h |
|
|
|
|
F0h | DD Mode | R/W | 02h |
|
|
|
|
F1h | DD Option | R/W | 00h |
|
|
|
|
F2h | DD Type | R/W | FFh |
|
|
|
|
F4h | DD 0 | R/W | 00h |
|
|
|
|
F5h | DD 1 | R/W | 00h |
For detailed configuration register information refer to the SMSC data sheet for the SCH5317 I/O component.
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