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This section of the Laptop Portal houses information on IBM laptops (ThinkPad and non-ThinkPad).

ThinkPad 200 Series

Subnotebooks

ThinkPad 220 1993	ThinkPad 230cs 1994	ThinkPad 235 1998	ThinkPad 240 Series 1999

ThinkPad 300 Series

Mainstream business/consumer laptops

ThinkPad 300/300C 1992	ThinkPad 310 Series 1997	ThinkPad 320 1993	ThinkPad 330CS/330C 1993	ThinkPad 340/340CSE 1995	ThinkPad 345C/345CS 1995
ThinkPad 350/350C 1993	ThinkPad 355 Series 1994	ThinkPad 360 Series 1994	ThinkPad 365 Series 1995	ThinkPad 370C 1995	ThinkPad 380 Series 1997
ThinkPad 385 Series 1997	ThinkPad 390 Series 1998

ThinkPad 500 Series

Ultraportables

ThinkPad 500 1993	ThinkPad 510CS 1994	ThinkPad 530cs 1995	ThinkPad 535/535E/535X 1996	ThinkPad 550BJ 1993	ThinkPad 555BJ 1994?
ThinkPad 560 Series 1996	ThinkPad 570 Series 1999

ThinkPad 600 Series

Business thin and light

ThinkPad 600/600E/600X 1998

ThinkPad 700 Series

Desktop Replacement

ThinkPad 700/700C 1992	ThinkPad 701CS/701C 1995	ThinkPad 720/720C 1993	ThinkPad 750 Series 1993	ThinkPad 755 Series 1994	ThinkPad 760 Series 1995
ThinkPad 765D/765L 1997	ThinkPad 770 Series 1997

ThinkPad 800 Series (PowerPC)

High-End PREP-compliant laptops

Power Laptop EWS N/A (Announced 09/1994)	ThinkPad Power Series 800 November 1994	ThinkPad Power Series 820 July 1995	ThinkPad Power Series 850 July 1995

ThinkPad i Series

Home/Multimedia laptops

ThinkPad 130 2000	i Series 1124 May 2000	i Series 1157 May 2000	i Series 1200 Series June 2000	i Series 1300 Series June 2000	i Series 1400 Series November 1998
i Series 1500 Series July 1999	i Series 1620 August 2000	No Image i Series 1720/1721 November 1998	i Series 1800 (Type 2632/2628) October 2000	i Series 1800 (Type 2655) May 2001

ThinkPad A Series

Desktop Replacement

ThinkPad A20m/A20p May 2000	ThinkPad A21e/A21m/A21p September 2000	ThinkPad A22m/A22p April 2001	ThinkPad A22e June 2001	ThinkPad A30/A30p October 2001	ThinkPad A31/A31p March 2002

ThinkPad G Series

Desktop-Replacement size laptops, mostly lower end, marketed towards education.

ThinkPad G40 2003	ThinkPad G41 October 2004

ThinkPad R Series

Lower end consumer laptops, usually cut-down T series featureset and design.

ThinkPad R30 October 2001	ThinkPad R31 February 2002	ThinkPad R32 June 2002	ThinkPad R40/R40e January 2003	ThinkPad R50/R50e/R50p October 2003	ThinkPad R51/R51e April 2004
ThinkPad R52 March 2005

ThinkPad S Series

Subnotebook, mostly Japan/Asia Exclusive

ThinkPad s30 2001	ThinkPad s31 2001

ThinkPad T Series

Business mainstream/thin and light

ThinkPad T20 2000	ThinkPad T21 2000	ThinkPad T22 2001	ThinkPad T23 2001	ThinkPad T30 2002	ThinkPad T40/T40p 2003
ThinkPad T41/T41p 2003	ThinkPad T42/T42p 2004	ThinkPad T43/T43p 2005

ThinkPad X Series

Ultraportable/Subnotebook

ThinkPad X20 September 2000	ThinkPad X21 April 2001	ThinkPad X22 October 2001	ThinkPad X23 January 2002	ThinkPad X24 May 2002	ThinkPad X30 September 2002
ThinkPad X31 March 2003	ThinkPad X32 April 2005	ThinkPad X40 February 2004	ThinkPad X41 April 2005	ThinkPad X41 Tablet July 2005

Tablets

ThinkPad 700T

April 1992

ThinkPad 710T

March 1993

ThinkPad 730T

May 1994

ThinkPad 730TE

October 1995

No Image

Type 7344 Tablet

PS/2 Note & PS/Note

IBM's laptop lineup from before the ThinkPad line was started.

PS/2 Note N33 SX June 1991	PS/2 Note N51 SX March 1992	PS/2 Note N51 SLC March 1992	PS/Note N45sl July 1992	PS/Note Type 2141 October 1992	PS/Note 425 June 1993

PS/55 note

IBM released their early laptops in Japan under the PS/55 note line. Most of these were sold in the US under the PS/2 line, but a few were Japan exclusive.