P R E F A C E

The following abbreviations are used in the book:

AM

active matrix

DRAM

dynamic random access memory

FSTN

film super twist nematic

I/O

input/output

K

1024

LCD

liquid crystal display

mA

milliampere

MB

megabyte

Mbit

megabit

MHz

megaherz

mm

millimeter

ms

millisecond

∝s

microsecond

ns

nanosecond

RAM

random-access memory

RMS

root mean square

SCC

serial communication controller

SCSI

small computer system interface

VRAM

video RAM

V

volts

When unusual abbreviations appear in this developer note, the corresponding terms are also spelled out. Standard units of measure and other widely used abbreviations are not spelled out.

A distinction is made between boards and cards. Boards are a permanent part of the computer or expansion device. Cards may be inserted into the system and can be added or exchanged.

Other Reference Material

Related documentation includes:

Macintosh Developer Notes, Number 2, Macintosh Duo System, APDA publication number R0457LL/A

Guide to the Macintosh Family Hardware, second edition

Designing Cards and Drivers for the Macintosh Family, third edition

Inside Macintosh, Volumes I through VI

Macintosh Classic II, Macintosh PowerBook Family, and Macintosh Quadra Family Developer Notes, APDA publication number R0I43LL/A.

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Apple 250 manual Other Reference Material, Lcd