Technical Reference Guide www.hp.com 5-5
Input/Output Interfaces
The diskette drive I/F configuration registers are listed in the following table:
For detailed configuration register information refer to the SMSC data sheet for the SCH5317
I/O component.
Table 5-4.
Diskette Drive Interface Configuration Registers
Index
Address Function R/W
Reset
Value
30h Activate R/W 01h
60-61h 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
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