Xerox Alto I User Manual

ALTO: A Personal Computer System
Hardware Manual
May, 1979
Abstract
This manual
is a revision of the original description of the Alto: "Alto, A Personal Computer
System." It includes a complete description of the Alto I and Alto II hardware and of the standard
microcode
(I: 24, II:3).
Xerox Corporation
© 1978, 1979
All rights reserved.
XEROX
PALO ALTO RESEARCH CENTER
3333 Coyote Hill Road / Palo Alto . / California 94304

Xerox Alto I Specifications

General

Category	Desktop
Manufacturer	Xerox
Model	Alto I
Release Year	1973
Operating System	Alto Executive
Pointing Device	Mouse
Input Devices	Keyboard, Mouse
Networking	Ethernet
Memory	128 KB (expandable to 512 KB)
Storage	2.5 MB removable cartridge
Display	606x808 monochrome