dw's IBM keyboard page

Membrane buckling spring (often "Model M"), Capacitive buckling spring (sometimes "Model F"), and an exception...

Hello again, readers and bots. I've finally got around to updating my keyboard page with some more exciting pictures and information. You will find a variety of similar and not-so-similar 'boards, now with some clarification of their original intended purpose.

Made on the 1397003, updates on the 8125460 and 1391406.
Date: 2010-02-05 [5th February 2010]
Mail to dw_junon XT/AT this domain.

IBM Part Number 0989705

IBM P/N 0989705

102 key Arabic for XT and AT Personal Computers
Membrane buckling spring
Plant Code - Serial Number: 55-0183915   Date: 09-10-1986 [9th October 1986]
Manufactured in United Kingdom   Copyright IBM Corporation

IBM Part Number 1386303

IBM P/N 1386303

101 key US ASCII-style for 3161 Display Station [terminal]
Membrane buckling spring
Model: M   ID NO: 21633   Plant Number: J1   Date: 24SEP85 [24th September 1985]
Copyright IBM Corp. 1984

IBM Part Number 1387033

IBM P/N 1387033

104 key 3270-style for 3290 Display Station [terminal] with 19" orange plasma display
Capacitive buckling spring
Model: F   ID Number: R8871   Plant Number: F5   Date: 11-11-1992 [11th November 1992]
Made in the USA

IBM Part Number 1388076

IBM P/N 1388076

102 key UK for 7531 Industrial Computer (ruggedised version of PC/AT)
Membrane buckling spring
Plant Code - Serial Number: 55-0000208   Date: 13-12-1985 [13th December 1985]
Manufactured in United Kingdom

IBM Part Number 1389260

IBM P/N 1389260

122 key 3270-style for 3179 Display Station [terminal], with clear keycaps and paper inserts for custom application with 3180 Display Station
Membrane buckling spring
Model: M   S/N Number: 1029226   Plant Number: F1   Date: 19NOV1986 [19th November 1986]
Copyright IBM Corp. 1985

IBM Part Number 1390653

IBM P/N 1390653

101 key US for 7552 Industrial Computer
Membrane buckling spring
Model: M   ID No: 1014758   Plant Number: J1   Date: 02DEC88 [2nd December 1988]
Made in the USA   Copyright IBM Corp. 1985

IBM Part Number 1391406

IBM P/N 391406

102 key UK for Personal System/2 [PS/2] computers
Membrane buckling spring
Plant Code - Serial Number: 55-0305284L   Date: 1991-08-20 [20th August 1991]
Manufactured in United Kingdom   Copyright IBM Corporation 1985

IBM Part Number 1397003

IBM P/N 1397003

122 key 3270-style German terminal emulator for PS/2 and compatibles
Membrane buckling spring
Serial Number: 2001954   Date: 29-05-98 [29th May 1998]
Made in United Kingdom by IBM United Kingdom Limited, Greenock, Scotland, UK

IBM Part Number 1397681

IBM P/N 1397681

84 key US Space Saving Keyboard for Personal System/2 computers
Membrane buckling spring
Model: M   Field Replaceable Unit No: 1397685   Plant No: F7   I.D. No: 5054827   Date: 03-10-93 [3rd October 1993]
Made in the U S A

IBM Part Number 41G3600

IBM P/N 41G3600

84 key US Space Saving Keyboard for 7537, 7546, 7586, 7587, 7588, 7590 Industrial Computers
Membrane buckling spring
Model: M   Field Replaceable Unit No: 41G3548   Plant No: TC1   ID No: 0000241   Date: 9/14/95 [14th September 1995]
Made in U S A   Manufactured for IBM by Lexmark   Copyright Lexmark Internationl, Inc. 1984   FCC ID. IYL1397440

IBM Part Number 5640987

IBM P/N 5640987

87 key 3270-style for 3178 Display Station [terminal]
Capacitive buckling spring
Identification No (incorporating Plant Code and serial number): 340X-23-37616   Model of Display Station (not keyboard): C20   Date of Manufacture: 9-1983 [September 1983]
Made in U.S.A. by IBM   Armonk, NY, USA

IBM Part Number 6540225

IBM P/N 6540225

84 key UK for AT Personal Computer
Capacitive buckling spring
Identification No (incorporating Plant Code and serial number): 515X-53-96145L   Model of System Unit (not keyboard): 000   Date: 29-07-1985 [29th July 1985]
Made in United Kingdom

IBM Part Number 71G4643

IBM P/N 71G4643

102 key UK for Personal System/2 and compatibles - uses rubber dome acutators instead of buckling spring assemblies

Lexmark/IBM Part Number 8125460

Lexmark/IBM P/N 8125460

102 key UK for 3153 Display Station - PS/2 compatible
Membrane buckling spring
Plant Code/Serial Number: 55-1181366L   Model: N2   Date: 02-09-1994 [2nd September 1994]
Copyright Lexmark Int Inc. 1989 Made in the U.K.