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IBM PS/2 Model CL57 SX

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IBM PS/2 Model CL57 SX
Also known asType 8554
ManufacturerIBM and Toshiba[1]
TypeLaptop (notebook)
ReleasedApril 1992
Introductory price
US$5,995 (equivalent to $13,750 in 2025)
MS-DOS, OS/2, Microsoft Windows
CPU386SX @ 20 MHz
(optional math co-processor)
Memory2–16 MB RAM (2 sockets)
Storage80 MB hard drive
3.5” 1.44 MB floppy drive
Display10.4" color TFT LCD
GraphicsVGA (640x480)
Inputtrackball
Weight11 lb (5.0 kg)
PredecessorIBM PS/2 L40 SX

The IBM Personal System/2 Model CL57 SX (stylized as PS/2 Model CL57 SX) is the first notebook computer with a color TFT screen released by IBM in 1992. It was released a few months before the introduction of the ThinkPad series.

Background

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It was developed by a joint venture between IBM and Toshiba.[1] The sibling model in a PS/55 line was a PS/55 N27sx laptop.[2]

Specifications

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It is based on the Micro Channel Architecture.[3] It contains a 386SX at 20MHz, between 2 and 16 MB RAM, a 10.4" color TFT, weighed 11 lb (5.0 kg) and has a trackball.[4]

It can run IBM OS/2.

It was priced at US$5,995 (equivalent to $13,750 in 2025) and available from April 1992.[5][6]

Reception

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It was not favorably received by the market.[7]

References

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  1. 1 2 Name (February 25, 1992). "IBM UK LAUNCHES COLOUR LAPTOP AS WELL AS NOTEBOOK". Tech Monitor. Retrieved April 18, 2021.
  2. ↑ "ThinkPad History Part 3 – 1992 Launch". DankPads. November 24, 2019. Retrieved May 18, 2021.
  3. ↑ Torgan, Emerson Andrew (June 16, 1992). "IBM debuts new portables: large-display color laptop, SLC-based notebook". PC Mag. Ziff Davis, Inc. p. 59.
  4. ↑ A., Dell, Deborah (2000). ThinkPad: a different shade of blue. Sams. p. 89. ISBN 0-672-31756-7. OCLC 781169669. Archived from the original on April 18, 2021. Retrieved April 18, 2021.{{cite book}}: CS1 maint: multiple names: authors list (link)
  5. ↑ Scannell, Ed (March 23, 1992). "IBM puts a splash of active-matrix color into portable line". InfoWorld. InfoWorld Media Group, Inc. p. 8. Archived from the original on April 18, 2021. Retrieved April 18, 2021.
  6. ↑ "IBM PS/2 MODEL CL57 SX SYSTEM AND FEATURES". March 24, 1992. Archived from the original on February 25, 2021. Retrieved April 18, 2021.
  7. ↑ A., Dell, Deborah (2000). ThinkPad : a different shade of blue. Sams. p. 258. ISBN 0-672-31756-7. OCLC 781169669. Archived from the original on April 18, 2021. Retrieved April 18, 2021.{{cite book}}: CS1 maint: multiple names: authors list (link)
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