Model M keyboard
Features by part number
Logo position legend: LC – Left Corner RC – Right Corner LLC – Lower Left Corner LRC – Lower Right Corner ULC – Upper Left Corner URC – Upper Right Corner LLP – Lock-Light Panel Click [show] to display the table's contents.

Model M keyboard

Section Title: Features by part number
Table Section Text: Logo position legend: LC – Left Corner RC – Right Corner LLC – Lower Left Corner LRC – Lower Right Corner ULC – Upper Left Corner URC – Upper Right Corner LLP – Lock-Light Panel Click [show] to display the table's contents.

Part number	Switch type	Detachable	Interf.	Drainage channels	Logo type, position	Maker	Years	Copyright	Features

Keycaps	Cable

02K3760	Buckling spring	Yes	No	PS/2	Yes	None (blank rectangle, ULC)	Unicomp	?-2005-?	None ("Mfg by Unicomp Inc for IBM")	Unicomp-made IBM keyboard

02K3817	Buckling spring	Yes	No	PS/2	Yes	None (blank rectangle, ULC)	Unicomp	?	Unicomp, Inc. 1984	German QWERTZ layout

06H4173	Buckling spring	No	No	PS/2	Yes	Silver on black oval, ULC (Maxi Switch) Blue on white oval, ULC (Unicomp)	Maxi Switch, Unicomp	1997-99	Unicomp, Inc. 1984, or none (Maxi Switch)	Dark gray Industrial PS/2 trackpoint w/two connectors for keyboard and mouse (Unicomp pointing device instead of IBM Trackpoint II)

1369050	Buckling spring	No	No	PS/2	Yes	Gray DELL logo (new style), ULC	Lexmark "Made in the USA"	?-1994-95-?	Lexmark International, Inc. 1984

1370475	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	Lexmark	1993-?	Lexmark International, Inc. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1370477	Buckling spring	No	Yes	PS/2	Yes	Blue on oval, ULC	Lexmark	1993-96	Lexmark International, Inc. 1984

1370478	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	Lexmark	1993	Lexmark Int'l. Inc. 1984	Model M5 w/miniature trackball and L/R "click" and "drag" buttons btw. navigation keys

1378160 1378162	Buckling spring	Yes	No	PS/2	Yes	[var. 1] AMBRA logo on raised trapezoid, ULC [var. 2] None	Lexmark	1993-94	Lexmark Int'l, Inc. 1984	Same p/n's used for two sub-variants: (1.) IBM AMBRA budget home PCs (2.) Logoless OEM boards

1378186	Rubber dome	No	No	PS/2	Yes	Lexmark logo, ULC	Lexmark	?-1994-?	Lexmark International, Inc. 1985	Only known rubber-dome Model M sold under Lexmark's name

1378192	Buckling spring	Yes	No	PS/2	Yes	Lexmark logo, ULC	Lexmark	?-1994-?	Lexmark Int'l. Inc. 1984	White Model M13 with Trackpoint II

1378210	Buckling spring	Yes	Yes	PS/2	Yes	None (blank oval, ULC)	Lexmark	?-1995-?	Lexmark Int'l. Inc. 1984	Model M5-2 w/trackball, L/R "click" and "drag" buttons above LLP

1386303	Buckling spring	No	No	Terminal DIN-5	No	Square metal, black on silver, URC	IBM	1985-1987-?	IBM Corp. 1984	102-key 3161 terminal keyboard; no lock lights (locks indicated on terminal screen)

1386304	Buckling spring	Yes	Yes	AT	No	Square metal, black on silver, URC	IBM	?-1985-?	IBM Corp. 1984	No lock lights

1386716	Buckling spring	Yes	Yes	AT or PS/2	No	Square metal, black on silver, URC or Gray on oval, ULC	IBM UK	?-1986-87-?	IBM Corp. 1986; IBM Corp. 1987	German QWERTZ layout

1386887	Buckling spring	Yes	No	Terminal DIN-5	No	Black on square silver metal, URC	IBM	?-1986-?	IBM Corp. 1985	122-key 3179 terminal keyboard

1388032	Buckling spring	Yes	Yes	AT	No	Silver on square black metal, URC	IBM	1985, 1986	IBM Corp. 1984	Dark grey industrial version

1389194	Buckling spring	Yes	No	Terminal DIN-5	No	Black on square silver metal, URC	IBM	?-1986-?	IBM Corp. 1984	122-key 3179/3192 terminal keyboard with APL keycaps

1389969	Buckling spring	Yes	Yes	XT, AT	No	Black on square silver metal, URC	IBM UK	1986	IBM Corp. 1984	UK layout; no lock lights

1389979	Buckling spring	Yes	Yes	AT	No	Black on square silver metal, URC	IBM	1986-87	IBM Corp. 1984	Swedish layout; no lock lights

1390120	Buckling spring	Yes	Yes	XT, AT	No	Black on square silver metal, URC	IBM	1986-87	IBM Corp. 1984	No lock lights

1390131	Buckling spring	Yes	Yes	AT or PS/2	No	Black on square silver metal, URC	IBM	1986-88, 1992–93	IBM Corp. 1984

1390132	Buckling spring	Yes	Yes	AT or PS/2	No	Black on square silver metal, URC	IBM	1986-?	IBM Corp. 1986	French AZERTY layout

1390133	Buckling spring	Yes	Yes	AT or PS/2	No	Black on square silver metal, URC	IBM	?-1986-87	IBM Corp. 1984	German QWERTZ layout

1390136	Buckling spring	Yes	Yes	AT or PS/2	No	Black on square silver metal, URC	IBM	?-1986-87	IBM Corp. 1984	UK layout

1390137	Buckling spring	Yes	Yes	PS/2	No	Black on square silver metal, URC	IBM	?-1987-?	IBM Corp. 1984	UK layout

1390148	Buckling spring	Yes	Yes	XT	No	Black on square silver metal, URC	IBM	?-1986-87	IBM Corp. 1984	German QWERTZ layout; no lock lights

1390572	Buckling spring	Yes	No	Terminal DIN-5	No	Black on square silver metal, URC	IBM	?-1987-?	IBM Corp. 1985	122-key terminal keyboard

1390639	Buckling spring	Yes	No	XT	Yes	Black on square silver metal, URC	IBM	?-1987-?	IBM Corp. 1985	Spanish QWERTY layout

1390653	Buckling spring	Yes	Yes	AT	No	Silver on square black metal, URC	IBM	1988	IBM Corp. 1985	Dark gray Industrial version

1390670	Buckling spring	Yes	No	Terminal DIN-5	No	Black on square silver metal, URC	IBM	1987	IBM Corp. 1985	Terminal keyboard that shipped with the IBM 3162

1391240	Buckling spring (?)	Yes	Yes	PS/2	Yes	Black on square silver metal, URC, w/small T in LRC (for "Terminal"?)	IBM	1987-?	IBM Corp. 1984	Esc key says Esc Reset

1391401	Buckling spring	Yes	Yes	AT or PS/2	No (yes 1992+)	Grey (blue 1992+) on oval, ULC	IBM	1986-96	IBM Corp. 1984	Standard variant on which most 2nd-generation Model M's are based

1391402	Buckling spring	Yes	Yes	PS/2	Yes ?	Grey (blue 1992?+) on oval, ULC	IBM UK	1990-96-?	IBM Corp. 1985	French AZERTY layout

1391403	Buckling spring	Yes	Yes (no 1995 and later)	AT or PS/2	Yes (no UK pre-1992)	Gray or blue on oval, ULC	IBM UK, Lexmark International	1986-97	IBM Corp./Lexmark International Inc. 1985	German QWERTZ layout

1391404	Buckling spring	Yes	Yes	AT or PS/2	No	Gray on oval, ULC	IBM UK	1986-?	IBM Corporation (no year on label)	Italian QWERTY layout

1391405	Buckling spring	Yes	Yes	AT or PS/2	No (yes 1996+)	Gray or blue on oval, ULC	IBM	1986-?	IBM Corp. 1985	Spanish QWERTY layout

1391406	Buckling spring	Yes	Yes	AT or PS/2	No	Gray or blue on oval, ULC	IBM	=1985–99	IBM United Kingdom	UK 102-key

1391407	Buckling spring	Yes	Yes	PS/2	Yes	Gray or blue on oval, ULC	IBM	?-1994-96-?	IBM United Kingdom	Danish/Icelandic 102-key

1391408	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	IBM	?-1993-?	IBM Corp. 1985	Hebrew 101-key

1391409	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	1987?-94?	IBM Corp. 1985/Lexmark Int. 1985	Norwegian 102-key

1391410	Buckling spring	Yes	Yes	PS/2	No	Gray or blue on oval, ULC	IBM UK	1989?-1992-?	IBM Corp. 1985	Portuguese 102-key

1391411	Buckling spring	Yes	Yes	AT or PS/2	No	Gray or blue on oval, ULC	IBM UK	?-1987-97-?	IBM Corp. 1985	Swedish 102-key

1391412	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM UK	1987-96	IBM Corp.	Swiss French/German QWERTZ layout, 102-key

1391413	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM de Mexico	?-1989-?	IBM Corp. 1984	Spanish 102-key

1391414	Buckling spring	Yes	Yes	PS/2	Yes	Gray or blue on oval, ULC	IBM UK	?-1996-?	IBM Corp. 1985	Belgian AZERTY layout

1391472	Buckling spring	Yes	Yes	AT or PS/2	No	Gray on oval, ULC	IBM	1987-91	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1391490	Buckling spring	?	Yes	PS/2	No	Gray on oval, ULC	IBM UK	?-1988-?	IBM Corporation	Arabic layout

1391506	Buckling spring	Yes	Yes	PS/2	No	Gray or blue on oval, ULC	IBM de Mexico	1990	IBM Corp. 1984	Spanish QWERTY layout

1391511	Buckling spring	Yes	Yes	PS/2	No	Blue on oval, ULC	IBM UK	1987-93	IBM Corp. 1985	Dutch 102-key

1391580	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	1987-88	IBM Corp. 1984	For PC-based IBM 3270 emulation (secondary terminal legends)

1392366	Buckling spring	Yes	No	6-pin AMP (terminal)	No	Square metal, black on silver, URC	IBM	1986-89	IBM Corp. 1985	For PC RT 6150 UNIX workstation, w/internal speaker for system "beeps". R Ctrl key says Action; number-pad "Enter" includes arrow.

1392464	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	1987	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP) with special legends for IBM Displaywriter system, stepped modifier caps

1392565	Buckling spring	Yes	No	8P5C (RJ-45)	Yes	Gray on oval, ULC	Lexmark (for IBM)	?-1995	Lexmark International, Inc. 1984	Keyboard for terminals such as IBM 3151; graphics characters on numeric keypad; Page Up/Page Down replaced with Clear/Erase EOF; bottom row: Ctrl, Reset, [spacebar], Ctrl, Send

1392934	Buckling spring	Yes	Yes	AT or PS/2	No	Gray or blue on oval, ULC	IBM	?-1987-92-?	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1392980	Buckling spring	Yes	Yes	8P5C (RJ-45)	No	Gray on oval, ULC	IBM	1987-?	IBM Corp. 1984	Terminal version Space Saving Keyboard (no numeric keypad or LLP); extra front-printed legends on F-keys, nav. keys

1393387	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	1990–93	IBM Corporation 1985	18-key keypad for IBM Screen Reader/DOS voice-output application

1393395	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM UK	1985-?	IBM Corporation 1985	Italian QWERTY layout

1393464	Buckling spring	Yes	Yes	PS/2	No{?}	Gray on oval, ULC; some have red Sabre logo instead	IBM	?-1989-92-?	IBM Corp. 1984	Special secondary legends for Sabre airline reservation system

1393669	Buckling spring	Yes (no after ????)	Yes (1994+)	AT or PS/2	Yes (1995+)	Gray or blue on oval, ULC; or blue below LLP	Lexmark UK, IBM UK / Unicomp	198?-200?	Lexmark International Inc. 1985 / IBM Corp. 1985 / Unicomp 1996	Slovenian/Croatian (former YU) QWERTZ layout; with or without speaker grille

1393691	Buckling spring	Yes	Yes	AT or PS/2	No	Gray on oval, ULC	IBM	?-1988-?	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1393915	Buckling spring?	Yes	Yes	PS/2 (or AT?)	?	Gray on oval, ULC	IBM	198?-19??	IBM Corp. 1984	49-key layout

1394064	Buckling spring	Yes	Yes	PS/2	No	Gray (IBM-made) or blue (Lexmark-made) on oval, ULC	IBM, Lexmark	?-1989-90-? (IBM) ?-1996-? (Lexmark)	IBM Corp. 1984; Lexmark International, Inc. 1984	Some front-printed secondary legends in red and green; Esc key says Escpe; red-printed Ctrl keys

1394540	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	1990-92	IBM Corp. 1984	Made for IBM RS/6000 system, w/internal speaker for system "beeps". R Ctrl key says Ctrl/Act

1394542	Buckling spring	Yes	Yes	PS/2	Yes	Gray or blue on oval, ULC	IBM UK, Lexmark UK	1991-95?	IBM Corp. 1985; Lexmark International, Inc. 1985	German QWERTZ layout; made for IBM RS/6000 system, w/internal speaker for system "beeps"

1394545	Buckling spring	Yes	Yes	PS/2	No	Gray or blue on oval, ULC	IBM UK, Lexmark	1990-96?	IBM Corp. 1985 / Lexmark International Inc. 1985	Swedish/Finnish 102-key QWERTY layout; made for IBM RS/6000 system, w/internal speaker for system "beeps"

1394618	Buckling spring	Yes	Yes	PS/2	No (Lexmark yes)	Gray (IBM) or blue (Lexmark) on oval, ULC	IBM, Lexmark	1989-? (IBM); ?-1994-? (Lexmark)	IBM Corp. 1984 / Lexmark International Inc. 1985	For IBM Personal Typing System, a PS/2 Model 30 PC for word processing. Special keycaps with green secondary w.p.

1394946	Buckling spring	Yes	Yes	AT or PS/2	No (yes 1992+)	Silver on black oval, ULC	IBM	1988-96	IBM Corp. 1984	Most common Industrial Model M (essentially a gray 1391401). ASCII & ISO versions use same p/n.

1394957	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	IBM UK	1985-?	IBM Corp. 1985	Italian QWERTY, dark gray Industrial version

1394958	Buckling spring	Yes	Yes	PS/2	Yes	Silver on black oval, ULC	IBM UK	?-1998-?	IBM Corp. 1985	German QWERTZ, dark gray Industrial version

1394966	Buckling spring	Yes	Yes	PS/2	?	Silver on black oval, ULC	IBM UK	1992	IBM Corp. 1985	Swedish 102-key, dark gray Industrial version

1395100	Buckling spring	?	Yes	PS/2	Yes	Blue on oval, ULC (SSK); square Reply logo, URC (OEM)	IBM, Lexmark	1991-92	IBM Corp. 1984; Lexmark International, Inc. 1984	This p/n used for: IBM Space Saving Keyboard (no number pad or LLP) Lexmark 101-key OEM board for Reply court reporting systems

1395217	Buckling spring	Yes	Yes	AT or PS/2	No	Gray on oval, ULC	IBM	?-1989-?	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1395300	Buckling spring	No	No	PS/2	No	Blue on square, URC	IBM	1990-93	IBM Corp. 1984	Model M2; shipped with IBM PS/1 PC

1395674	Buckling spring	Yes	Yes	PS/2	No (yes 1995)	Gray on oval, ULC	IBM, Lexmark	1991-94 (IBM); 1995 (Lexmark)	IBM Corp. 1984; Lexmark International, Inc. 1984	101-key terminal emulator (no LLP; special legends on F-keys, number pad; R Ctrl says Enter)

1395682	Buckling spring	Yes	Yes	PS/2	No	Silver on black oval, ULC	IBM	1993-1994	IBM Corp. 1984	Dark gray Industrial Space Saving Keyboard (no numeric keypad or LLP); blue keys for F1-F2, terminal paging and cursor movement

1396790	Buckling spring	Yes	No	PS/2	Yes (no 1991)	Gray, or blue (1992+) on oval, ULC	IBM	?-1991-95?	IBM Corp. 1985	Made in UK by IBM; North American layout

1397000	Buckling spring	Yes	Yes	PS/2	?	Blue on oval, ULC	Lexmark (for IBM)	?	Lexmark International, Inc. 1984	122-key terminal emulation keyboard: Home/Rule key with arrow keys in a "plus" layout; 24 function keys; 10-key left cluster with terminal commands (Attn, Clear, Pause, ErEOF, etc.)

1397771	Buckling spring	?	No	PS/2	Yes	CompuAdd, URC	Lexmark (for IBM)	1993	Lexmark International, Inc. 1984	For OEM CompuAdd PCs; only Model M made with large L-shaped Enter and 1u Backspace

1397961	Buckling spring	Yes	Yes	PS/2	Yes	Lexmark logo, ULC	Lexmark	?–1994	Lexmark International, Inc. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1397003	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	IBM	?-1993-99?	IBM Corp. 1985	German QWERTZ layout; 122-key terminal made in UK by IBM

1397135	Buckling spring	?	Yes	PS/2	No	None	Lexmark	1995	None	Extra legends (blue) for WordPerfect word-processing program

1397599	Buckling spring	Yes	Yes	PS/2	Yes (1992+)	Gray, or blue (1993+) on oval, ULC	IBM	1991-1995	IBM Corp. 1984	Similar to 1391401 w/metal stabilizer bars on number pad + and Enter keys

1397651	Buckling spring	Yes	Yes	PS/2	No	Gray DELL logo (old style), ULC	Lexmark	1991–92	Lexmark International, Inc. 1984	(At least one example has also been seen with Honeywell logo)

1397661	Buckling spring	No (some)	Yes	PS/2	Yes	Gray or blue on oval, ULC	IBM	?-1992-94-?	IBM Corp. 1984	1391401-based variant, usually has one-piece buttons.

1397681	Buckling spring	No	Yes	PS/2 (or AT?)	Yes	Gray or blue on oval, ULC	IBM	?-1991-93-?	IBM Corp. 1984	Space Saving Keyboard (no numeric keypad or LLP)

1397721	Buckling spring	Yes	Yes	PS/2	Yes (1992)	Gray WANG logo, ULC	IBM	1991-92	IBM Corp. 1984	Produced during IBM/WANG partnership; most presumed destroyed

1397735	Buckling spring	Yes	Yes	PS/2	No	None (blank oval, LC)	IBM	?-1992-?	IBM Corp. 1984	US 101-key; only IBM-made M variant without logo

1398600 1398601	Buckling spring	Yes	Yes	AT 5-din or PS/2	Yes	Lexmark logo, ULC	Lexmark	?-1992-94-?	Lexmark Int'l Inc 1984	Only std. Model M's sold under Lexmark name

1398609	Buckling spring	?	Yes	PS/2	Yes	None	Lexmark	?-1992-?	Lexmark Int'l Inc 1984	No logo indentation; apparently for OEMs to add logo stickers

1399046	Buckling spring	Yes	Yes	PS/2	No	Blue on oval, ULC	IBM UK	?-1992-?	IBM Corporation 1985	Greek layout

1399570	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	IBM UK	?-1995-?	IBM Corp. 1985	Czech QWERTZ layout

1399580	Buckling spring	Yes	Yes	AT	Yes	Blue on oval, ULC	Lexmark	?-1993-?	Lexmark Int'l Inc 1985	Croatian QWERTY layout

1399625	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark, IBM UK	?-1994-?	Lexmark International Inc. 1985	Terminal keyboard; no lock lights

1399912	Buckling spring	Yes	Yes	PS/2	Yes	Lexmark logo, ULC	Lexmark	?-1995-?	Lexmark Int'l Inc 1984	Model M5-2 w/trackball, L/R "click" and "drag" buttons above LLP

13H6705	Buckling spring	No	No	PS/2	Yes	Silver on oval, ULC	Lexmark, Maxi Switch	1994-98	Lexmark International, Inc. 1984, or None (Maxi Switch models)	The only black IBM Model M; trackpoint, with keyboard/mouse connectors

1403975	Buckling spring	No	No	PS/2	Yes	None (blank rectangle, ULC)	Lexmark	?-1994-?	Lexmark International, Inc. 1984	Spanish QWERTY layout

1404901	Buckling spring	Yes	Yes	PS/2	Yes	Lexmark logo, ULC	Lexmark	?-1995-?	Lexmark Int'l. Inc. 1984	White Model M13 with Trackpoint II

2003809 2054858	Buckling spring	No	No	PS/2	Yes	White GE/Marquette logo on dark gray rectangle, ULC	Unicomp	2006-2007 (2003809) ?-2013 (2054858)	None ("Manufactured in USA for G.E. Medical Systems")	For GE/Marquette medical imaging systems. Green and red sublegends on alphanumeric keys; alternate legends on F-keys and number pad.

20L2532	Buckling spring	Yes	No	PS/2	Yes	None (blank rectangle, ULC)	Unicomp	2002–2005-?	None ("Mfg by Unicomp Inc for IBM")	Usually has some custom legends / sub-legends; some seen with colored key caps.

41G3576	Buckling spring	Yes	Yes	PS/2	No	Gray on oval, ULC	IBM	?–1996–?	IBM Corp. 1984	Observed on repurposed p/n 1394618

41G3600	Buckling spring	Yes	Yes	PS/2	Yes	Silver on black oval, URC	Lexmark	?–1995	Lexmark International, Inc. 1984	Dark grey industrial version of Space Saving Keyboard (no numeric keypad or LLP)

42H1292	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark, IBM UK	1995-96 (Lexmark) 1995-97 (IBM UK)	Lexmark International Inc. 1984 / none (IBM UK)	One of final Lexmark-made p/n's

42H1292U	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Unicomp	1996-	Unicomp, Inc. 1984	Optional AT/DIN adapter

51G8572	Buckling spring	Yes	Yes	PS/2	Yes	Gray or blue on oval, ULC	IBM, Lexmark, IBM UK	1992-97	IBM Corp. 1984, Lexmark International, Inc. 1984	Made for IBM RS/6000 system, w/internal speaker for system "beeps"; R Ctrl key says Ctrl/Act

52G9658	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	IBM, Lexmark	?-1993-?	IBM Corp. 1984; Lexmark International, Inc. 1984

52G9700	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark	1993-99	Lexmark International, Inc. 1984

59G7980–59G7981	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	Lexmark	1993	Lexmark International, Inc. 1984

60G0817	Rubber dome	No	No	PS/2	Yes	Blue on oval in white rectangle, URC	IBM	?-1995	Lexmark Intl. Inc. 1984	Model M2 w/full-size (extended) case; shipped with IBM PS/1 PC

60G3571	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	IBM, Lexmark	1994-?	IBM Corp. 1984; Lexmark International, Inc. 1984	Sold separately to retail customers as part of IBM's "Easy Options" program

70G8638	Rubber dome	No	No	PS/2	Yes	Gray or blue on oval (Lexmark) or OEM logo, ULC	Lexmark	?-1994-?	Lexmark International. Inc. 1984	Silkscreen-printed keycaps

71G4621	Rubber dome	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1996-?	Lexmark International, Inc. 1984	Danish QWERTY layout

71G4622	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1995-?	Lexmark International, Inc. 1984	Dutch QWERTY layout, 1378705, EC1391461

71G4625	Rubber dome	No	No	PS/2	Yes	Gray on oval, ULC	Lexmark (for IBM)	?-1993-96-?	Lexmark International, Inc. 1985	German QWERTZ layout

71G4627	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1994-?	Lexmark International, Inc. 1985	Hebrew sub-legends

71G4630	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1994-?	Lexmark International, Inc. 1984	Italian QWERTY layout

71G4635	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1994-?	Lexmark International, Inc.	Russian QWERTY layout

71G4638	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark (for IBM)	?-1993-?	Lexmark International, Inc. 1984	Spanish QWERTY layout

71G4643	Rubber dome	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark	?-1995-?	Lexmark International, Inc. 1985

71G4644	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark	?-1993-95-?	Lexmark International, Inc. 1984

71U4623 1387530 1378706 EC	Rubber dome	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark	?-1995-?	Lexmark International, Inc. 1985	Swedish QWERTY layout

8131276	Buckling spring	No	No	RJ25	Yes	Blue on square, URC	IBM UK	?-1997	IBM Corp.

8184692	Buckling spring	Yes	Yes	PS/2	Yes	Gray on oval, ULC ("IBM Soft Touch Keyboard")	Lexmark	1994	Lexmark International, Inc. 1984	Soft Touch Keyboard with greased springs (not many produced)

82G2383	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark	1993-99	Lexmark International, Inc. 1984

82G2384	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark	?-1995-?	Lexmark International, Inc. 1984	Spanish (ISO layout)

82G2385	Buckling spring	Yes	No	PS/2	Yes	Blue on gray oval, ULC	Unicomp	1999	None ("Mfg by Unicomp Inc for IBM")	French (ISO layout)

82G3281	Buckling spring	No	No	PS/2	Yes	Blue on gray oval, ULC	Lexmark	1994-95	Lexmark International, Inc. 1984	White Model M13 w/trackpoint, two connectors for keyboard and mouse

82G3295	Buckling spring	Yes	No	PS/2	Yes	Blue "IBM", ULC	Lexmark	?-1995-?	Lexmark International, Inc. 1984

92G7453 92G7454	Buckling spring	No	No	PS/2	Yes	Blue on oval, ULC	Lexmark	1995	Lexmark Int'l. Inc. 1984	Sold separately to retail customers as part of IBM's "Easy Options" program

92G7455, 92G9757	Buckling spring	Yes	Yes	PS/2	Yes	Blue on oval, ULC	Lexmark	1993–95	Lexmark Int'l. Inc. 1984	Model M5-2 w/trackball, L/R "click" and "drag" buttons above LLP

92G7461	Buckling spring	Yes	No	PS/2	Yes	Blue on oval, ULC	Lexmark	?-1995-?	Lexmark Int'l. Inc. 1984	White Model M13 with Trackpoint II; optional mouse port

96U1114	Rubber dome	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-2000-?	None	Model M5-2 w/trackball, L/R "click" and "drag" buttons above LLP

UB40416	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	101-key, black w/light gray keys

UB4041A	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	101-key, black w/light gray keys

UB40446	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key, black w/light gray keys

UB4044A	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key, black w/light gray keys

UB40P36	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	103-key Ultra Classic (compact case), black w/light gray keys

UB40P3A	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	103-key Ultra Classic (compact case), black w/light gray keys

UB40P46	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), beige w/classic light/dark beige keys

UB40P4A	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), beige w/classic light/dark beige keys

UB40R46	Buckling spring	No	No	PS/2	Yes	?	Unicomp	?	Unicomp, Inc. 1984	104-key

UB4ZPHA	Buckling spring	Yes	No	USB	No	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), black with light/dark beige keys, for Apple Mac OS

UNI041A UNI0416	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	101-key, beige w/classic light/dark beige keys

UNI0446	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key, beige w/classic light/dark beige keys

UNI044A	Buckling spring	Yes	No	USB	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key, beige w/classic light/dark beige keys

UNI0P46	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), beige w/classic light/dark beige keys

UNI0T56	Buckling spring	No	No	PS/2	Yes	None (blank rectangle, ULC)	Unicomp	?-2003-?	?	122-key, for PC/5250 emulators; produces standard 101-key scancodes mapped to standard keys with modifiers (e.g. F24 appears to the PC as Shift+F12)

UNIZPHA	Buckling spring	Yes	No	USB	No	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), beige with light/dark beige keys, for Apple Mac OS

UNZ2416	Buckling spring	No	No	PS/2	Yes	White GE/Marquette logo on dark gray rectangle, ULC; Unicomp logo on LED panel	Unicomp	?-2002-?	None	For GE/Marquette medical imaging systems; features similar to 2003809

UW40P4A	Buckling spring	Yes	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), black w/white keys

UW4ZP4A	Buckling spring	Yes	No	USB	No	Unicomp logo on LLP	Unicomp	?-Present	Unicomp, Inc. 1984	104-key Ultra Classic (compact case), black w/white keys, for Apple Mac OS

XR4R4G6	Buckling spring	?	No	PS/2	Yes	Unicomp logo on LLP	Unicomp	?-2008-?	None	Black (only?) trackpoint w/two connectors for keyboard and mouse (Unicomp pointing device instead of IBM Trackpoint II)

Part number	Switch type	Detachable	Interface	Drainage channels	Logo type/position	Manufacturer	Dates of manufacture	Copyright	Features

Key Caps	Cable

Sentence(s)

The 42H1292 designs are made by Lexmark and Unicomp.

final_sentence: The 42H1292 designs are made by Lexmark and Unicomp.