Ardent Tool of Capitalism
The go-to place for all PS/2 and Micro Channel addicts. MAD Edition!
Reference
Material		 Software
& Drivers		 IBM
Systems		 Non-IBM
Systems		 MCA
Adapters		 Parts &
Technology		 Setup &
Config
IBM Personal System/55
PS/55 - Japanese PS/2

IBM Systems

PS/55 Model-Type Chart
PS/55 Timeline Diagram
xxx0 or xxx1? - PS/55 Model Numbers

PS/55 Desktop/Tower Units

Model 5510
Model 5520
Model 5530
Model 5540
Model 5550 386
Model 5550 486
Model 5560
Model 5570
Model 5580

PS/55 E [Type 5538]

PS/55 Processor Complexes (for 5560 & 5580)
Reply PowerBoard
Overclocking

PS/55 Portables

PS/55 5535M [Type 5535-M]
PS/55 5535S [Type 5535-S]

PS/55note [Type 5523-S0/SJ]
PS/55note N23SX [Type 5523-S1/SV/S2/SA]
PS/55note M23V [Type 5523-V0/VA]
PS/55note C23V [Type 5523-V2/VJ]
PS/55note N27sx [Type 5527]
PS/55note N51SLC [Type 8551]
PS/55note C52 / ThinkPad 7x0 [Type 9552]

PC Series

PC720 [Type 6860]
PC730/750 [Types 6875, 6876, 6885, 6886]

Adapters

Adapter List

Japanese SCSI Adapters
Japanese Display Adapters
Japanese SVGA Adapter

Other Hardware

Processors (CPU Interposers/Upgrades were moved here)

5576 Keyboard
Model M and others (external, mostly written in Japanese)

IC DRAM Cards

Other

PS/55 Files
Brochures [!]
Photos

Japanese Tips
Still Crazy (monologue of sorts)
Update History

Content by Tatsuo "Sandy" Sunagawa (email). Modified by Tomáš Slavotínek.
Special thanks to All members of the Bulletin Board #4 in FIBMJ @Nifty and MCA Mafia.

Content created and/or collected by:
Louis Ohland, Peter Wendt, William Walsh, David Beem, 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: 21 May 2022 - Changes & Credits | Legal Info & Contact