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

PS/55 Timeline

The Multistation series had been rebranded to PS/55 in May 1987 and remained on the market together with the MCA-based PS/55 line.
The following diagram does not cover any Multistation machines to avoid confusion. See the IBM Multistation Timeline.

PS/55    |
|		    PS/55Z & Laptop
1987 MAY
      5570-S		 |
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1988 APR
      5570-T
     5550-S/T		 |
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|		  1988 NOV
  5530Z-286
1989 MAY
      5570-V0x
     5550-V0x		 |
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NOV
    5530-T		 |
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    5530Z-SX
1990 MAY
      5570-V1x
     5550-V1x
     5545-T		 |
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OCT
       5580-Y
    5560-W
       5540-T
     5535-S
      5530-T		 |
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1991 MAR |
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  5523-S
MAY
    5550-V2		 |
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     5510-T
     5510-Z
OCT
      5580-W		 |
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   5530-U
 8551-S N51sx


 5523SX
     5510-S
1992 FEB
    5551-W		 |
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|		   5527-U
  (N27sx)
JUN
     95XP-486
   5530-W		 |
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   5530-U-SLC/V
SEP  
     5560-N		 |
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OCT |
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   9552-Y
 (C52 486SLC)
1993 JAN   |
|		 9552-J
 (TP720C)
APR
   5551-N/Y		 |
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   5530-V2
OCT
    Server 95A
        9585
   5551-L
 PS/55E
 5538-Y/Z		 |
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1994 APR  
    5551-R
   5521Y
    5530-L		 |
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Content created and/or collected by:
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: 30 Jul 2023 - Changelog | Legal Info & Contact