IBM model M chronological gallery

IBM model M keyboards and variants
(1986 - 1997)

date

model

serial#

logo

comments

04-Feb-1986

1390120

35005

detachable black keyboard cable

no indicator lights for Num Lock, Caps Lock, Scroll Lock

AT connector

20-Feb-1986

1390120

48290

detachable black keyboard cable

no indicator lights for Num Lock, Caps Lock, Scroll Lock

AT connector

21-May-1986

1390120

H6495

detachable black keyboard cable

no indicator lights for Num Lock, Caps Lock, Scroll Lock

AT connector

19-Jan-1987

1390131

3059465

detachable black keyboard cable

AT connector

21-May-1987

1391401

2241995

detachable keyboard cable

specialized key caps

ps/2 connector

05-Oct-1987

1391401

2461214

detachable keyboard cable

ps/2 connector

03-Nov-1987

1391401

2500943

detachable keyboard cable

ps/2 connector

04-Mar-1988

1391401

2023565

detachable keyboard cable

ps/2 connector

18-May-1989

1391401

5002566

detachable keyboard cable

specialized key caps

ps/2 connector

21-Feb-1989

1391401

3045491

detachable keyboard cable

removable key caps

ps/2 connector

9-11-
1990

1391401

6182938

detachable keyboard cable

ps/2 connector

11-25-
1991

1391401

7330954

detachable keyboard cable

ps/2 connector

03-Apr-1992

1391401

7258930

detachable keyboard cable

ps/2 connector

03/12
1993

1391401

8743205

detachable keyboard cable

ps/2 connector

23-Sep-93

52G9700

6047882

attached keyboard cable

ps/2 connector

14-Mar-1994

82G2383

0069692

attached keyboard cable

ps/2 connector

detachable keycaps

09-23-1995

92G7453

0053036

attached keyboard cable

ps/2 connector

detachable keycaps

1995

92F0332

0049057

attached keyboard cable

ps/2 connector

17-Jan-1996

52G9658

0289469

attached keyboard cable

ps/2 connector

18-Mar-1997

42H1292

1200920

attached keyboard cable

ps/2 connector

made in United Kingdom

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