hp model/serial number Range Year 4 42F4A 1984 4 42F5A 1985 4 42F6A 1986 4 42F7A 1987 4 42FC4A 1984 4 42FC5A 1985 4 42FC6A 1986 4 42X4A 1984 4 42XC4A 1984 4 43F5A 1985 4 43F6A 1986 4 43F7A 1987 4 43FC5A 1985 4 43FC6A 1986 4 C42F7A 1987 4 C43F7A 1987 5 1988-A - 1992-B 1988-1995 5 E000001 - E127699 1988-1995 5 E127700 - E202999 1996 5 E203000 - E287999 1997 5 E288000 - UP 1998 7.5 72F5A 1985 9.9 1984-A - 1992-B 1984-1995 9.9 E000001 - E127699 1984-1995 9.9 E127700 - E202999 1996 9.9 E203000 - E287999 1997 9.9 E288000 - UP 1998 15 1984-A - 1992-B 1984-1995 15 E000001 - E127699 1984-1995 15 E127700 - E202999 1996 15 E203000 - E287999 1997 15 E288000 - UP 1998 25 256F9A 1989 25 256F9B 1989 25 257F9A 1989 25 257F9B 1989 25 E127700 - E202999 1996 25 E203000 - E287999 1997 25 E288000 - UP 1998 35 352F90B 1990 35 352F90C 1990 35 353E91A 1991 35 353E91B 1991 35 353F90B 1990 35 353F90C 1990 35 353F91A 1991 35 353F91B 1991 35 353P91A 1991 35 353P91B 1991 35 353X90B 1990 35 353X90C 1990 35 356E91A 1991 35 356E91B 1991 35 356F90B 1990 35 356F90C 1990 35 356F91B 1991 35 357D8B 1988 35 357E91A 1991 35 357E91B 1991 35 357F6A 1986 35 357F7A 1987 35 357F7B 1987 35 357F8B 1988 35 357F90A 1990 35 357F90B 1990 35 357F90C 1990 35 357F91A 1991 35 357F91B 1991 35 357F9A 1989 35 357F9B 1989 35 357F9C 1989 35 357FC6A 1996 35 357P91A 1991 35 357P91B 1991 35 357P9A 1989 35 357R8B 1988 35 357R9A 1989 35 357X90A 1990 35 357X90B 1990 35 357X90C 1990 35 357X9B 1989 35 357Y7A 1987 35 357Y7B 1987 35 357Y8A 1988 35 357Y8B 1988 35 357Y9A 1989 35 357Y9B 1989 35 357Y9C 1989 35 358E91A 1991 35 358F90B 1990 35 358F90C 1990 35 358F91A 1991 35 358F91B 1991 35 358P91B 1991 35 C357F7A 1987 35 C357F7B 1987 35 C357F8B 1988 35 C357F9A 1989 40 1992-C 1992-1994 40 E000001 - E093699 1992-1994 40 E093700 - E138599 1995 40 E138600 - E202999 1996 40 E203000 - E287999 1997 40 E288000 - E344999 1998 40 E345000 - UP 1999 50 504D9B 1989 50 504H8C 1988 50 504H8D 1988 50 504P9B 1989 50 504S8C 1988 50 504S8D 1988 50 507A90A 1990 50 507A90B 1990 50 507A90C 1990 50 507A90D 1990 50 507A91A 1991 50 507A91B 1991 50 507A91C 1991 50 507A91Z 1991 50 507A92A 1992 50 507A9B 1989 50 507A9C 1989 50 507A9D 1989 50 507D8C 1988 50 507D8D 1988 50 507D9B 1989 50 507E91A 1991 50 507E91B 1991 50 507E91C 1991 50 507E92A 1992 50 507F4A 1984 50 507F5A 1985 50 507F6A 1986 50 507F7A 1987 50 507F7B 1987 50 507F7C 1987 50 507F8B 1988 50 507F8C 1988 50 507F8D 1988 50 507F90A 1990 50 507F90B 1990 50 507F90C 1990 50 507F90D 1990 50 507F91B 1991 50 507F91C 1991 50 507F92A 1992 50 507F9B 1989 50 507F9C 1989 50 507F9D 1989 50 507FC4A 1984 50 507FC5A 1985 50 507FC6A 1986 50 507H8C 1988 50 507H8D 1988 50 507H9B 1989 50 507I8C 1988 50 507I8D 1988 50 507I9B 1989 50 507K9B 1989 50 507L8B 1988 50 507L8C 1988 50 507L8D 1988 50 507L9B 1989 50 507N8B 1988 50 507N8C 1988 50 507N8D 1988 50 507P91A 1991 50 507P91B 1991 50 507P91C 1991 50 507P92A 1992 50 507P9B 1989 50 507R8C 1988 50 507R8D 1988 50 507R9B 1989 50 507S8C 1988 50 507S8D 1988 50 507T8B 1988 50 507T8C 1988 50 507T8D 1988 50 507V8C 1988 50 507V8D 1988 50 507X4A 1984 50 507X5A 1985 50 507X6A 1986 50 507X7A 1987 50 507X7B 1987 50 507X7C 1987 50 507X8B 1988 50 507X8C 1988 50 507X8D 1988 50 507X90A 1990 50 507X90B 1990 50 507X90C 1990 50 507X90D 1990 50 507X91A 1991 50 507X91B 1991 50 507X91C 1991 50 507X92A 1992 50 507X9A 1989 50 507X9B 1989 50 507X9C 1989 50 507X9D 1989 50 507XC4A 1984 50 507XC5A 1985 50 507Y7A 1987 50 507Y7B 1987 50 507Y7C 1987 50 507Y8A 1988 50 507Y8B 1988 50 507Y8C 1988 50 507Y8D 1988 50 507Y90A 1990 50 507Y90B 1990 50 507Y90C 1990 50 507Y90D 1990 50 507Y9B 1989 50 508E91B 1991 50 508F90A 1990 50 508F90B 1990 50 508F90C 1990 50 508F90D 1990 50 508F91A 1991 50 508F91B 1991 50 508F91C 1991 50 508F92A 1992 50 508F9C 1989 50 508F9D 1989 50 508M7A 1987 50 508M7B 1987 50 508M7C 1987 50 508M8B 1988 50 508M8C 1988 50 508M8D 1988 50 508P91A 1991 50 508P91B 1991 50 508P91C 1991 50 508P92A 1992 50 508V8D 1988 50 C507F7A 1987 50 C507F7B 1987 50 C507F7C 1987 50 C507F8B 1988 50 C507F8C 1988 50 C507F8D 1988 50 C507F9B 1989 50 E000001 - E093699 1992-1994 50 E093700 - E138599 1995 50 E138600 - E202999 1996 50 E203000 - E287999 1997 50 E288000 - E344999 1998 50 E345000 - UP 1999 60 608F5A 1985 70 E000001 - E138599 1991-1995 75 E138600 - E202999 1996 75 E203000 - E287999 1997 75 E288000 - E344999 1998 75 E345000 - UP 1999 85 853F8A 1988 85 853F8B 1988 85 853F9B 1989 85 853F9C 1989 85 853F9D 1989 85 853F9E 1989 85 853F9F 1989 85 853F9G 1989 85 853F9H 1989 85 853K9B 1989 85 853K9C 1989 85 853K9D 1989 85 853X8A 1988 85 853X8B 1988 85 853X9B 1989 85 853X9F 1989 85 853X9G 1989 85 853X9H 1989 85 854A8B 1988 85 854D9C 1989 85 854D9D 1989 85 854S8A 1988 85 854S8B 1988 85 856A8A 1988 85 856A8B 1988 85 856A9A 1989 85 856A9B 1989 85 856A9C 1989 85 856A9D 1989 85 856A9E 1989 85 856A9F 1989 85 856A9G 1989 85 856A9H 1989 85 856D8A 1988 85 856D8B 1988 85 856D9C 1989 85 856D9D 1989 85 856F4A 1984 85 856F5A 1985 85 856F6A 1986 85 856F6B 1986 85 856F6C 1986 85 856F7A 1987 85 856F7B 1987 85 856F9E 1989 85 856F9F 1989 85 856F9G 1989 85 856F9H 1989 85 856FC4A 1984 85 856FC5A 1985 85 856FC6A 1986 85 856FC6B 1986 85 856FC6C 1986 85 856K9B 1989 85 856K9C 1989 85 856K9D 1989 85 856L8A 1988 85 856L8B 1988 85 856L9B 1989 85 856L9C 1989 85 856L9D 1989 85 856N8A 1988 85 856N8B 1988 85 856T8A 1988 85 856T8B 1988 85 856W9B 1989 85 856W9C 1989 85 856W9D 1989 85 856X3L 1983 85 856X4L 1984 85 856X5L 1985 85 856X6L 1986 85 856X6M 1986 85 856X6N 1986 85 856X7A 1987 85 856X7B 1987 85 856X8A 1988 85 856X8B 1988 85 856X9B 1989 85 856X9C 1989 85 856X9D 1989 85 856X9E 1989 85 856X9F 1989 85 856X9G 1989 85 856X9H 1989 85 856XC4L 1984 85 856XC5L 1985 85 856Y7A 1987 85 856Y7B 1987 85 856Y8A 1988 85 856Y8B 1988 85 856Y9B 1989 85 856Y9C 1989 85 856Y9D 1989 85 858D8A 1988 85 858D8B 1988 85 858F6A 1986 85 858F6B 1986 85 858F6C 1986 85 858F7A 1987 85 858F7B 1987 85 858F8A 1988 85 858F8B 1988 85 858F9B 1989 85 858F9C 1989 85 858F9D 1989 85 858F9E 1989 85 858F9F 1989 85 858F9G 1989 85 858F9H 1989 85 858I8A 1988 85 858I8B 1988 85 858I9B 1989 85 858I9C 1989 85 858I9D 1989 85 858M8A 1988 85 858M8B 1988 85 858M9B 1989 85 858M9C 1989 85 858M9D 1989 85 858N8A 1988 85 858N8B 1988 85 858R8A 1988 85 858R8B 1988 85 858R9B 1989 85 858R9C 1989 85 858R9D 1989 85 858S8A 1988 85 858S8B 1988 85 858V6A 1986 85 858V6B 1986 85 858V6C 1986 85 858V7A 1987 85 858V7B 1987 85 858V8A 1988 85 858V8B 1988 85 858V9B 1989 85 858V9C 1989 85 858V9D 1989 85 858X9E 1989 85 858X9F 1989 85 858X9G 1989 85 858X9H 1989 85 85LD9A(1) 1989 85 85LD9B(1) 1989 85 85LD9C(1) 1989 85 C853F8B 1988 85 C856F7A 1987 85 C856F7B 1987 85 C858F8A 1988 85 C858F8B 1988 85 C858F9B 1989 85 C858F9C 1989 85 C858F9D 1989 90 903E91D 1991 90 903F90A 1990 90 903F90B 1990 90 903F90C 1990 90 903F91C 1991 90 903F91D 1991 90 903P91C 1991 90 903P91D 1991 90 903X90A 1990 90 903X90B 1990 90 903X90C 1990 90 906A90A 1990 90 906A90B 1990 90 906A90C 1990 90 906E91D 1991 90 906F90A 1990 90 906F90B 1990 90 906F90C 1990 90 906F91A 1991 90 906F91C 1991 90 906F91D 1991 90 906P91C 1991 90 906P91D 1991 90 906X90A 1990 90 906X90B 1990 90 906X90C 1990 90 906X91A 1991 90 906X91C 1991 90 906X91D 1991 90 908A91A 1991 90 908A91C 1991 90 908A91D 1991 90 908E91A 1991 90 908E91D 1991 90 908F90A 1990 90 908F90B 1990 90 908F90C 1990 90 908F91A 1991 90 908F91C 1991 90 908F91D 1991 90 908P91C 1991 90 908P91D 1991 90 908X90A 1990 90 908X90B 1990 90 908X90C 1990 90 90LD90A(1) 1990 90 90LD90C(1) 1990 90 90LD91B(1) 1991 90 90LD91D(1) 1991 90 E000001 - E093699 1991-1994 90 E093700 - E138599 1995 90 E138600 - E202999 1996 90 E203000 - E287999 1997 90 E288000 - E344999 1998 90 E345000 - UP 1999 120 120LD90A(1) 1990 120 120LD90B(1) 1990 120 120LD90C(1) 1990 120 120LD91B(1) 1991 120 120LD91D(1) 1991 120 120LD92B(1) 1992 120 E000001 - E093699 1990-1994 120 E093700 - E138599 1995 120 E138600 - E202999 1996 120 E203000 - E287999 1997 120 E288000 - 0E344999 1998 120 E345000 - UP 1999 125 1251A8A 1988 125 1251A8B 1988 125 1251A8C 1988 125 1251A9A 1989 125 1251A9B 1989 125 1251A9C 1989 125 1251A9D 1989 125 1251A9E 1989 125 1251F4A 1984 125 1251F5A 1985 125 1251F6A 1986 125 1251F6B 1986 125 1251F7A 1987 125 1251F7B 1987 125 1251F8B 1988 125 1251F8C 1988 125 1251F9B 1989 125 1251F9C 1989 125 1251F9D 1989 125 1251F9E 1989 125 1251FC4A 1984 125 1251FC5A 1985 125 1251FC6A 1986 125 1251FC6B 1986 125 1251H8B 1988 125 1251H8C 1988 125 1251V8B 1988 125 1251V8C 1988 125 1251X3A 1983 125 1251X4A 1984 125 1251X5A 1985 125 1251X6A 1986 125 1251X6B 1986 125 1251X7A 1987 125 1251X7B 1987 125 1251X8A 1988 125 1251X8B 1988 125 1251X8C 1988 125 1251X9B 1989 125 1251X9C 1989 125 1251X9D 1989 125 1251X9E 1989 125 1251XC3A 1983 125 1251XC4A 1984 125 1251XC5A 1985 125 1251XC6A 1986 125 1251XC6B 1986 125 1253X6B 1986 125 1253X7A 1987 125 1253X7B 1987 125 1253X8A 1988 125 1253X8B 1988 125 1253X8C 1988 125 1253X9B 1989 125 1253X9C 1989 125 1253X9D 1989 125 1253X9E 1989 125 1254A9B 1989 125 1254A9C 1989 125 1254A9D 1989 125 1254A9E 1989 125 1254X6A 1986 125 1254X6B 1986 125 1254X7A 1987 125 1254X7B 1987 125 1254X8A 1988 125 1254X8B 1988 125 1254X8C 1988 125 1254X9B 1989 125 1254X9C 1989 125 1254X9D 1989 125 1254X9E 1989 125 1258D8B 1988 125 1258D8C 1988 125 1258D9B 1989 125 1258D9C 1989 125 1258D9D 1989 125 1258F4A 1984 125 1258F5A 1985 125 1258F6A 1986 125 1258F6B 1986 125 1258F7A 1987 125 1258F7B 1987 125 1258F8A 1988 125 1258F8B 1988 125 1258F8C 1988 125 1258F9B 1989 125 1258F9C 1989 125 1258F9E 1989 125 1258FC4A 1984 125 1258FC5A 1985 125 1258FC6A 1986 125 1258FC6B 1986 125 1258I8B 1988 125 1258I8C 1988 125 1258L8A 1988 125 1258L8B 1988 125 1258L8C 1988 125 1258L9B 1989 125 1258L9C 1989 125 1258L9D 1989 125 1258M7B 1987 125 1258M8A 1988 125 1258M8B 1988 125 1258M8C 1988 125 1258M9B 1989 125 1258M9C 1989 125 1258M9D 1989 125 1258P9B 1989 125 1258P9C 1989 125 1258P9D 1989 125 1258T8A 1988 125 1258T8B 1988 125 1258T8C 1988 125 1258V5A 1985 125 1258V6B 1986 125 1258V7A 1987 125 1258V7B 1987 125 1258V8A 1988 125 1258V8B 1988 125 1258V8C 1988 125 1258V9B 1989 125 1258V9C 1989 125 1258V9D 1989 125 1258W9B 1989 125 1258W9C 1989 125 1258W9D 1989 125 1258X3A 1983 125 1258X4A 1984 125 1258X5A 1985 125 1258X6A 1986 125 1258X6B 1986 125 1258X7B 1987 125 1258X8A 1988 125 1258X8B 1988 125 1258X8C 1988 125 1258X9B 1989 125 1258X9C 1989 125 1258X9D 1989 125 1258X9E 1989 125 1258XC3A 1983 125 1258XC4A 1984 125 1258XC5A 1985 125 1258XC6A 1986 125 1258XC6B 1986 125 125LD9A(1) 1989 125 125LD9B(1) 1989 125 1285X7A 1987 125 C1251F7A 1987 125 C1251F7B 1987 125 C1251F8B 1988 125 C1251F8C 1988 125 C1258F7A 1987 125 C1258F7B 1987 125 C1258F8B 1988 125 C1258F8C 1988 125 C1258F9B 1989 125 C1258F9C 1989 125 C1258F9D 1989 125 C1258F9E 1989 125 O1251X8B 1988 150 1989-A - 1992-C 1989-1994 150 E000001 - E093699 1989-1994 hp model/serial number Range Year Notes: (1) : L-DRIVE