Technical information

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PREFACE
About This Note
This developer note describes the DOS Compatibility Card, an 80486
processor designed to operate in the PDS slot of a Power Macintosh 6100
computer. This developer note describes the features of the DOS
Compatibility Card and the way it communicates with the host computer.
This developer note is intended to help hardware and software developers
design products that are compatible with the Macintosh product described
in the note. If you are not already familiar with Macintosh computers or if
you would simply like more technical information, you may wish to read the
supplementary reference documents described in this preface.
Contents of This Note 0
This note has three chapters and an index.
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Chapter 1, “Introduction,” presents a summary of the features of the DOS
Compatibility Card and a brief description of the way it operates.
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Chapter 2, “Hardware Design,” describes the design of the DOS
Compatibility Card and the interface devices that allow it to operate
in a Power Macintosh 6100 computer.
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Chapter 3, “The PC Interface Driver,” describes the system software that
allows programs on the DOS Compatibility Card to communicate with
programs on the host Macintosh computer.
Supplementary Documents 0
For installation and operating instructions, refer to the DOS Compatibility Card
User’s Manual that accompanies the product.
For information about the MC68040 PDS (processor-direct slot) interface, refer
to Designing Cards and Drivers for the Macintosh Family, third edition, and the
Quadra PDS Developers Guide. For information about the PowerPC 601 PDS
interface, refer to Macintosh Developer Note Number 8, APDA catalog number
R0566LL/A. The developer note contains descriptions of the first generation
of Power Macintosh models, including the Power Macintosh 6100. Developer
notes for the individual Macintosh models are also published electronically in
the quarterly Reference Library Edition of the Developer CD series, available
through APDA.
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