Specifications

ix
PREFACE
About This Note
This developer note provides information about the Macintosh LC 520
computer, an integrated model with a built-in 14-inch color display. The
Macintosh LC 520 has about the same performance as the Macintosh LC III.
Note
While every attempt has been made to verify the accuracy of the
information presented here, it is subject to change without notice.
The primary reason for releasing this type of product information
is to provide the development community with essential product
specifications, theory, and application information for the purpose
of stimulating work on compatible third-party products.
◆
Contents of This Note 0
The information is arranged in five chapters, an Appendix, and a set of
foldouts:
■
Chapter 1, “Introduction,” gives a summary of the features and describes
the external features of the Macintosh LC 520 computer.
■ Chapter 2, “Architecture,” includes a block diagram and address maps and
describes the integrated circuits that are specific to the Macintosh LC 520
computer.
■ Chapter 3, “Expansion,” describes the single expansion slot in the
Macintosh LC 520 computer and the expansion card that plugs into it.
■
Chapter 4, “Software,” summarizes the features of the ROM software and
tells how the system software operates on the Macintosh LC 520 computer.
■
Chapter 5, “Internal Storage Devices,” is a developer guide for storage
devices to be installed inside the Macintosh LC 520 computer.
■
The Appendix gives the specifications for the AppleCD 300i, the internal
CD-ROM drive for the Macintosh LC 520 computer.
■
The foldouts provide engineering specifications and mechanical drawings
for selected parts.