Ardent Tool of Capitalism

The go-to place for all PS/2 and Micro Channel addicts. MAD Edition!

IBM Multistation Timeline

This diagram shows the chronological order in which the various Multistation systems were released. See also the PS/55 Timeline.

	5550	5560	5540	5530	5535
1983.03	5551-A/B/C

1985.02	5551-D/E/G/H		5541-B

.09		5561-G/H	5541-E

1986.05	5551-J/K	5561-J/K	5541-J/K

	The series was renamed to "Personal System/55" at this point.

1987.05	5551-M/P	5561-M/P		5530-G/H

.09				5530-G1

.10			5541-M/P		5535-M08

1988.10	5551-M1/P1				5535-M18

.11			5541-M1/P1

1989.11					5535-M19

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Louis Ohland, Peter Wendt, David Beem, William Walsh, Tatsuo Sunagawa, Jim Shorney, Tim Clarke, Kevin Bowling, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 28 May 2023 - Changelog | Legal Info & Contact