Specifications

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PREFACE
About This Note
The 12” and 7” PC Compatibility Cards are x86-based microprocessor cards
that you can plug into any Macintosh computer that has a PCI slot. This
developer note describes the features and capabilities of the cards and is
intended for use by software and hardware developers.
The 12” and 7” PC Compatibility Cards are referred to in this developer note
as the 12” card and 7” card, respectively, as the cards, or as the PCI cards.
To use this note, you must know how to use and program both Macintosh
and PC-compatible computers. You must also be familiar with the PCI
(Peripheral Component Interconnect) bus.
The user’s guide for your computer provides information about setting up
the computer and installing the cards in a specific computer configuration.
This note does not provide that type of information.
This preface describes the contents of the note, explains visual cues and
conventions, and lists other books to which you can refer.
What This Note Contains 0
This note consists of four chapters and an index.
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Chapter 1, “Introduction,” summarizes the hardware and software features
of the cards and describes their functional and physical characteristics.
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Chapter 2, “Hardware Design,” provides more detailed information about
the hardware design of each card, including the microprocessor, memory,
video, audio, and I/O systems.
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Chapter 3, “I/O Specifications,” describes the I/O connectors that enable
the cards to communicate with the host Macintosh computer, the monitor,
sound devices, and video devices. It provides specifications for the
connectors, including pin assignments and signal descriptions.
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Chapter 4, “Software Support,” describes the interface driver that controls
communication between the Macintosh host computer and the 12" and
7" cards. It provides information about initializing the driver, configuring
the cards, and passing messages between the Mac OS and the cards.