IBM PS/2 Model CL57 SX

1992 IBM laptop From Wikipedia, the free encyclopedia

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.

Also known asType 8554
ManufacturerIBM and Toshiba[1]
TypeLaptop (notebook)
ReleasedApril 1992
Quick facts Also known as, Manufacturer ...
IBM PS/2 Model CL57 SX
Also known asType 8554
ManufacturerIBM and Toshiba[1]
TypeLaptop (notebook)
ReleasedApril 1992
Introductory priceUS$5,995 (equivalent to $13,750 in 2025)
Operating systemMS-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
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Background

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

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

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

References

External links

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