Input/Output Interfaces

The diskette drive I/F configuration registers are listed in the following table:

Table 5-4.

Diskette Drive Interface Configuration Registers

Index

 

 

Reset

Address

Function

R/W

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

For detailed configuration register information refer to the SMSC data sheet for the SCH5317 I/O component.

 

Technical Reference Guide

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5-5