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IBM PS/2 Model CL57 SX

Also known as	Type 8554
Manufacturer	IBM and Toshiba
Type	Laptop (notebook)
Release date	April 1992
Introductory price	US$5,995 (equivalent to $13,020 in 2023)
Operating system	MS-DOS, OS/2, Microsoft Windows
CPU	386SX @ 20 MHz (optional math co-processor)
Memory	2–16 MB RAM (2 sockets)
Storage	80 MB hard drive 3.5” 1.44 MB floppy drive
Display	10.4" color TFT LCD
Graphics	VGA (640x480)
Input	trackball
Mass	11 lb (5.0 kg)
Predecessor	IBM 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

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

Specifications

It is based on the Micro Channel Architecture. 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.

It can run IBM OS/2.

It was priced at US$5,995 (equivalent to $13,020 in 2023) and available from April 1992.

Reception

It was not favorably received by the market.

References

^ Name (1992-02-25). "IBM UK LAUNCHES COLOUR LAPTOP AS WELL AS NOTEBOOK". Tech Monitor. Retrieved 2021-04-18.
"ThinkPad History Part 3 – 1992 Launch". DankPads. 2019-11-24. Retrieved 2021-05-18.
Torgan, Emerson Andrew (1992-06-16). "IBM debuts new portables: large-display color laptop, SLC-based notebook". PC Mag. Ziff Davis, Inc. p. 59.
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 2021-04-18. Retrieved 2021-04-18.{{cite book}}: CS1 maint: multiple names: authors list (link)
Scannell, Ed (1992-03-23). "IBM puts a splash of active-matrix color into portable line". InfoWorld. InfoWorld Media Group, Inc. p. 8. Archived from the original on 2021-04-18. Retrieved 2021-04-18.
"IBM PS/2 MODEL CL57 SX SYSTEM AND FEATURES". 24 March 1992. Archived from the original on 2021-02-25. Retrieved 2021-04-18.
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 2021-04-18. Retrieved 2021-04-18.{{cite book}}: CS1 maint: multiple names: authors list (link)

External links

Preceded byPS/2 L40 SX

PS/2 CL57 SX

Succeeded byThinkPad 700

Personal computers by IBM

Desktop
and all-in-one

Single models	5120 DataMaster PC list of models PC XT XT/370 3270 PC XT 286 JX PCjr PC AT AT/370 3270 AT
Series	5550 Industrial Computer PS/2 list of models 25 25 286 25 SX 30 30 286 50 50 Z 55 SX 55 LS 60 65 SX 70 386 70 486 80 E PS/55 PS/V PS/1 EduQuest ValuePoint Ambra PC Series Aptiva NetVista ThinkCentre A series M series

Portable

Laptop

pre-ThinkPad

Convertible
PS/2 Laptop
- L40 SX
- CL57 SX
PS/2 Note and PS/note
- N33SX
- N45SL
- N51SX
- N51SLC
- Model 425/425C
PS/55 Note
PCradio

ThinkPad

2xx series	220 230 235 240
3xx series	300 310 350 360 365 380 390
5xx series	500 550BJ 555BJ 560 570
6xx series	600
7xx series	700 701 "Butterfly" 750 755 760 765 770
Power Series	800 820 821 822 823 850 851 860

G series	G40 G41 G50
T series	T20 T21 T22 T23 T30 T40 T41 T42 T43 T60 T61
A series	A20m A21m A22m A22e A20p A21p A22p A30 A31 A30p A31p
X series	X20 X21 X22 X23 X24 X30 X31 X32 X40 X41 X60 X60t X61t
R series	R30 R31 R32 R40 R50 R51 R52 R60 R61
Others	TransNote

Handheld

Prototypes

Video hardware

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