IBM PS/55 Note explained

IBM PS/55 Note
Manufacturer:	IBM
Family:	IBM PS/55
Introduced:	^[1]
Price:	between and
Predecessor:	IBM PC Convertible

The IBM Personal System/55 Note (stylized as PS/55 note) is a series of notebooks manufactured by the IBM subsidiary IBM Japan as part of the IBM Personal System/55 series.

The international IBM PS/2 Note series was based on the PS/55 Note series.

History

IBM started selling the PS/55 Note series in Japan in April 1991.^[2]

Western Digital has supplied video and logic chips for the PS/55 Note.^[3]

Models

The prices for the PS/55 Note varies between and .

• Model N23SX (5523-S) (03/1991) (similar to the PS/2 N33SX and PS/2 N51SX models)
• Model 5535 (1987)
• Model 5535-S (1990)
• Model T22sx (1992)
• Model N27sx (02/1992) (similar to the PS/2 CL57SX model)
• Model C23V (10/1992)
• Model C52 (10/1992) (identical to the ThinkPad 700C)^{[4] [5]}

Reception

The PS/55 Note was a rapid success in Japan.^[6]

External links

• Thinkwiki.de - PS/55 Note

Notes and References

1. Valligra. Lori. IBM Japan Announces Addition to PS/55 Line. 1987-09-07. 21. InfoWorld . en.
2. News: Sanger. David E.. 1991-04-11. COMPANY NEWS; Selling Now in Tokyo: Tiniest I.B.M. Portable. en-US. The New York Times. 2021-04-20. https://archive.today/20210420173842/https://www.nytimes.com/1991/04/11/business/company-news-selling-now-in-tokyo-tiniest-ibm-portable.html. 2021-04-20. 0362-4331. live.
3. Web site: 1991-12-31. SCIENCE/TECHNOLOGY: New IBM Products May Be Good News for Western Digital. 2021-04-21. Los Angeles Times. en-US.
4. Web site: ThinkPad 10th Anniversary Special 10. 2021-04-20. Watch Impress. ja.
5. Web site: みなとみらいの大和事業所で「20世紀のThinkPad」と再会した. Reunited with "20th century ThinkPad" at Yamato Office in Minato Mirai . 2021-04-20. ITmedia. ja.
6. Book: Management of design alliances: sustaining competitive advantage. 1998. Wiley. Margaret Bruce, Birgit H. Jevnaker. 0-471-97476-5. Chichester. 93. 36663061.