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List of IBM PS/2 models

An assortment of IBM PS/2s in various form factors; from left to right: a Server 95, a Model 80, a Model 25, and a PS/2 E on top of a Model 56 and a Model 30 286

The Personal System/2 or PS/2 was a line of personal computers developed by International Business Machines Corporation (IBM). Released in 1987, the PS/2 represented IBM's second generation of personal computer following the original IBM PC series, which was retired following IBM's announcement of the PS/2 in April 1987. Most PS/2s featured the Micro Channel architecture bus—a closed standard which was IBM's attempt at recapturing control of the PC market. However some PS/2 models at the low end featured ISA buses, which IBM included with their earlier PCs and which were widely cloned due to being a mostly-open standard. Many models of PS/2 were made, which came in the form of desktops, towers, all-in-ones, portables, laptops and notebooks.

Notes

Legend
  ISA, 8-bit
  ISA, 16-bit
  Micro Channel, 16-bit
  Micro Channel, 32-bit
  MCA/ISA
  Other
Explanatory notes
  • Built-in or optional monitors are CRTs unless mentioned otherwise.
  • The Space Saving Keyboard is a 87-key numpad-less version of the Model M.[1]
  • The 25 Collegiate, intended for college students, had two 720 KB floppy drives, maxed out the RAM to 640 KB, and came packaged with the official PS/2 Mouse, Windows 2.0, and four blank floppy disks.[1][2]
  • Financial workstations came packaged with a 50-key function keypad and were intended for use in banks.[1][3]
  • LS models are "LAN Stations": essentially the same as their non-LS counterparts but without floppy drives or hard drives and that connect to networks using Ethernet or Token Ring adapters (in essence, diskless workstations).[4]
  • Ultimedia models shipped with a microphone and included SCSI CD-ROMs, M-Audio sound adapter cards and volume controls and headphone and microphone jacks at the front of the case.[5]
  • Array models are PS/2 Servers with support for RAID.[6]

Models

Main line

IBM PS/2 models
Model IBM P/N Processor Clock speed
(MHz)		 Bus No. of
slots		 No. of
drive bays		 FDD HDD Stock
RAM		 Maximum
RAM		 Video adapter Monitor Form factor Date introduced Notes Ref(s).
25 8525-001 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. monochrome All-in-one August 1987 Space Saving Keyboard [7]
25 8525-004 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. color All-in-one August 1987 Space Saving Keyboard [7]
25 8525-G01 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. monochrome All-in-one August 1987 [1]
25 8525-G04 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. color All-in-one August 1987 [1]
25 Collegiate 8525-C02 Intel 8086 8 (0 w) ISA, 8-bit 2 2 two 720 KB none 640 KB 640 KB MCGA 12-in. monochrome All-in-one August 1987 Space Saving Keyboard [8]
25 Collegiate 8525-C05 Intel 8086 8 (0 w) ISA, 8-bit 2 2 two 720 KB none 640 KB 640 KB MCGA 12-in. color All-in-one August 1987 Space Saving Keyboard [8]
25 Collegiate 8525-K02 Intel 8086 8 (0 w) ISA, 8-bit 2 2 two 720 KB none 640 KB 640 KB MCGA 12-in. monochrome All-in-one August 1987 [8]
25 Collegiate 8525-K05 Intel 8086 8 (0 w) ISA, 8-bit 2 2 two 720 KB none 640 KB 640 KB MCGA 12-in. color All-in-one August 1987 [8]
25 LS 8525-L01 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. monochrome All-in-one August 1987 Token Ring [1]
25 LS 8525-L04 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 720 KB none 512 KB 640 KB MCGA 12-in. color All-in-one August 1987 Token Ring [1]
25 286 8525-006 Intel 80286 10 (1 w) ISA, 16-bit 2 2 one 1.44 MB none 1 MB 4 MB VGA 12-in. color All-in-one October 1990 Space Saving Keyboard [9]
25 286 8525-036 Intel 80286 10 (1 w) ISA, 16-bit 2 2 one 1.44 MB 30 MB (ST-506) 1 MB 4 MB VGA 12-in. color All-in-one October 1990 [9]
25 286 8525-G06 Intel 80286 10 (1 w) ISA, 16-bit 2 2 one 1.44 MB none 1 MB 4 MB VGA 12-in. color All-in-one October 1990 Space Saving Keyboard [9]
25 286 8525-G36 Intel 80286 10 (1 w) ISA, 16-bit 2 2 one 1.44 MB 30 MB (ST-506) 1 MB 4 MB VGA 12-in. color All-in-one October 1990
25 SX 8525-K00 Intel 386SX 20 ISA, 16-bit 3 2 one 1.44 MB none 1 MB 16 MB VGA 12-in. color All-in-one April 1992 [10][11]
25 SX 8525-K01 Intel 386SX 20 ISA, 16-bit 3 2 one 1.44 MB none 1 MB 16 MB VGA 12-in. color All-in-one April 1992 Ethernet [10][11]
25 SX 8525-L02 Intel 386SX 20 ISA, 16-bit 3 2 one 1.44 MB none 1 MB 16 MB VGA 12-in. color All-in-one April 1992 Token Ring [10][11]
30 8530-001 Intel 8086 8 (0 w) ISA, 8-bit 3 2 one 720 KB none 640 KB 640 KB MCGA optional Desktop April 1989 Replaces the 8530-002 [12][13]
30 8530-002 Intel 8086 8 (0 w) ISA, 8-bit 3 2 two 720 KB none 640 KB 640 KB MCGA optional Desktop April 1987 [14]
30 8530-021 Intel 8086 8 (0 w) ISA, 8-bit 3 2 one 720 KB 20 MB (ST-506) 640 KB 640 KB MCGA optional Desktop April 1987 [14]
30 8530-R02 Intel 8086 8 (0 w) ISA, 8-bit 3 2 two 720 KB none 640 KB 640 KB MCGA optional Desktop November 1987 Financial workstation [1][15]
30 8530-R21 Intel 8086 8 (0 w) ISA, 8-bit 3 2 one 720 KB 20 MB (ST-506) 640 KB 640 KB MCGA optional Desktop November 1987 Financial workstation [1][15]
30 286 8530-E01 Intel 80286 10 (1 w) ISA, 16-bit 3 2 one 1.44 MB none 512 KB 4 MB VGA optional Desktop September 1988 [16]
30 286 8530-E21 Intel 80286 10 (1 w) ISA, 16-bit 3 2 one 1.44 MB 20 MB (ST-506) 512 KB 4 MB VGA optional Desktop September 1988 [16]
30 286 8530-E31 Intel 80286 10 (1 w) ISA, 16-bit 3 2 one 1.44 MB 30 MB (ESDI) 512 KB 4 MB VGA optional Desktop September 1989 [17]
30 286 8530-E41 Intel 80286 10 (1 w) ISA, 16-bit 3 2 one 1.44 MB 40 MB (ESDI) 512 KB 4 MB VGA optional Desktop April 1991 [18]
35 SX 8535-040 Intel 386SX 20 (0–2 w) ISA, 16-bit 3 2 one 1.44 MB none 2 MB 4 MB VGA optional Desktop January 1991 [19]
35 SX 8535-043 Intel 386SX 20 (0–2 w) ISA, 16-bit 3 2 one 1.44 MB 40 MB (IDE) 2 MB 4 MB VGA optional Desktop January 1991 [19]
35 SX 8535-045 Intel 386SX 20 (0–2 w) ISA, 16-bit 3 2 one 1.44 MB 80 MB (IDE) 2 MB 4 MB VGA optional Desktop Un­known [20]
35 LS 8535-14X Intel 386SX 20 ISA, 16-bit 3 2 none none 2 MB 4 MB VGA optional Desktop January 1991 Ethernet [19]
35 LS 8535-24X Intel 386SX 20 ISA, 16-bit 3 2 none none 2 MB 4 MB VGA optional Desktop January 1991 Token Ring [19]
35 SLC 8535-050 IBM 386SLC 20 (0 w) ISA, 16-bit 3 2 one 2.88 MB none 2 MB 16 MB VGA optional Desktop April 1992 [21]
35 SLC 8535-053 IBM 386SLC 20 (0 w) ISA, 16-bit 3 2 one 1.44 MB 80 MB (IDE) 2 MB 16 MB VGA optional Desktop April 1992 [22]
35 SLC 8535-055 IBM 386SLC 20 (0 w) ISA, 16-bit 3 2 one 2.88 MB 80 MB (IDE) 2 MB 16 MB VGA optional Desktop April 1992 [21][23]
40 SX 8540-040 Intel 386SX 20 (0–2 w) ISA, 16-bit 5 4 one 1.44 MB none 2 MB 16 MB VGA optional Desktop June 1991 [24]
40 SX 8540-043 Intel 386SX 20 (0–2 w) ISA, 16-bit 5 4 one 1.44 MB 40 MB (IDE) 2 MB 16 MB VGA optional Desktop June 1991 [24]
40 SX 8540-045 Intel 386SX 20 (0–2 w) ISA, 16-bit 5 4 one 1.44 MB 80 MB (IDE) 2 MB 16 MB VGA optional Desktop June 1991 [24]
40 SLC 8540-050 IBM 386SLC 20 (0 w) ISA, 16-bit 5 4 one 1.44 MB none 2 MB 16 MB VGA optional Desktop April 1992 [25]
40 SLC 8540-055 IBM 386SLC 20 (0 w) ISA, 16-bit 5 4 one 1.44 MB 80 MB (IDE) 2 MB 16 MB VGA optional Desktop April 1992 [25]
50 8550-021 Intel 80286 10 (1 w) MCA, 16-bit 4 3 one 1.44 MB 20 MB (ST-506) 1 MB 1 MB VGA optional Desktop April 1987 [26][27]
50 Z 8550-031 Intel 80286 10 (0 w) MCA, 16-bit 4 3 one 1.44 MB 30 MB (ST-506) 1 MB 2 MB VGA optional Desktop June 1988 [28][27]
50 Z 8550-061 Intel 80286 10 (0 w) MCA, 16-bit 4 3 one 1.44 MB 60 MB (ESDI) 1 MB 2 MB VGA optional Desktop June 1988 [28][27]
55 SX 8555-031 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 one 1.44 MB 30 MB (ESDI) 2 MB 8 MB VGA optional Desktop May 1989 [29][27]
55 SX 8555-041 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 one 1.44 MB 40 MB (ESDI) 2 MB 8 MB VGA optional Desktop June 1991 [30][27]
55 SX 8555-061 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 one 1.44 MB 60 MB (ESDI) 2 MB 8 MB VGA optional Desktop May 1989 [29][27]
55 SX 8555-081 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 one 1.44 MB 80 MB (ESDI) 2 MB 8 MB VGA optional Desktop June 1991 [30][27]
55 LS 8555-LE0 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 none none 2 MB 8 MB VGA optional Desktop October 1990 [29][31]
55 LS 8555-LT0 Intel 386SX 16 (0–2 w) MCA, 16-bit 3 2 none none 2 MB 8 MB VGA optional Desktop October 1990 [29][31]
56 SX 8556-043 Intel 386SX 20 MCA, 16-bit 3 2 one 2.88 MB 40 MB (SCSI) 4 MB 8 MB VGA optional Desktop October 1991 [32]
56 SX 8556-045 Intel 386SX 20 MCA, 16-bit 3 3 one 2.88 MB 80 MB (SCSI) 4 MB 8 MB VGA optional Desktop October 1991 [32]
56 SX 8556-049 Intel 386SX 20 MCA, 16-bit 3 3 one 2.88 MB 160 MB (SCSI) 4 MB 8 MB VGA optional Desktop October 1991 [32]
56 LS 8556-14X Intel 386SX 20 MCA, 16-bit 3 3 none none 4 MB 8 MB VGA optional Desktop February 1992 Ethernet [32][33]
56 LS 8556-24X Intel 386SX 20 MCA, 16-bit 3 3 none none 4 MB 8 MB VGA optional Desktop February 1992 Token Ring [32][33]
56 SLC 8556-053 IBM 386SLC 20 MCA, 16-bit 3 2 one 2.88 MB 40 MB (SCSI) 4 MB 16 MB VGA optional Desktop Un­known [22]
56 SLC 8556-055 IBM 386SLC 20 MCA, 16-bit 3 2 one 2.88 MB 80 MB (SCSI) 4 MB 16 MB VGA optional Desktop February 1992 [34]
56 SLC 8556-059 IBM 386SLC 20 MCA, 16-bit 3 2 one 2.88 MB 160 MB (SCSI) 4 MB 16 MB VGA optional Desktop February 1992 [34]
56 SLC LS 8556-25X IBM 386SLC 20 MCA, 16-bit 3 2 none none 4 MB 16 MB VGA optional Desktop February 1992 Token Ring [34]
56 SLC LS 8556-15X IBM 386SLC 20 MCA, 16-bit 3 2 none none 4 MB 16 MB VGA optional Desktop February 1992 Ethernet [34]
57 SX 8557-045 Intel 386SX 20 MCA, 16-bit 5 4 one 2.88 MB 80 MB (SCSI) 4 MB 16 MB VGA optional Desktop June 1991 [35]
57 SX 8557-049 Intel 386SX 20 MCA, 16-bit 5 4 one 2.88 MB 160 MB (SCSI) 4 MB 16 MB VGA optional Desktop June 1991 [35]
57 SLC 8557-055 IBM 386SLC 20 MCA, 16-bit 5 4 one 2.88 MB 80 MB (SCSI) 4 MB 16 MB VGA optional Desktop February 1992 Token Ring [36]
57 SLC 8557-059 IBM 386SLC 20 MCA, 16-bit 5 4 one 2.88 MB 160 MB (SCSI) 8 MB 16 MB VGA optional Desktop February 1992 [36]
57 SLC 8557-05F IBM 386SLC 20 MCA, 16-bit 5 4 one 2.88 MB 400 MB (SCSI) 8 MB 16 MB VGA optional Desktop February 1992 [36]
Ultimedia M57 SLC 8557-255 IBM 386SLC 20 MCA, 16-bit 5 4 one 2.88 MB 80 MB (SCSI) 4 MB 16 MB VGA optional Desktop February 1992 [37]
Ultimedia M57 SLC 8557-259 IBM 386SLC 20 MCA, 16-bit 5 4 one 2.88 MB 160 MB (SCSI) 4 MB 16 MB VGA optional Desktop February 1992 [37]
60 8560-041 Intel 80286 10 (1 w) MCA, 16-bit 8 4 one 1.44 MB 44 MB (ST-506) 1 MB 7 MB VGA optional Tower April 1987 [38][39]
60 8560-071 Intel 80286 10 (1 w) MCA, 16-bit 8 4 one 1.44 MB 70 MB (ESDI) 1 MB 7 MB VGA optional Tower April 1987 [38][39]
65 SX 8565-061 Intel 386SX 16 MCA, 16-bit 8 4 one 1.44 MB 60 MB (SCSI) 2 MB 8 MB VGA optional Tower March 1990 [40][41]
65 SX 8565-121 Intel 386SX 16 MCA, 16-bit 8 4 one 1.44 MB 120 MB (SCSI) 2 MB 8 MB VGA optional Tower March 1990 [40][41]
65 SX 8565-321 Intel 386SX 16 MCA, 16-bit 8 4 one 1.44 MB 320 MB (SCSI) 2 MB 8 MB VGA optional Tower October 1990 [42][37]
70 386 8570-061 Intel 386 20 MCA, 32-bit 3 3 one 1.44 MB 60 MB (ESDI) 2 MB 6 MB VGA optional Desktop September 1989 [43]
70 386 8570-081 Intel 386 20 MCA, 32-bit 3 3 one 1.44 MB 60 MB (ESDI) 4 MB 6 MB VGA optional Desktop June 1991 [37]
70 386 8570-121 Intel 386 20 MCA, 32-bit 3 3 one 1.44 MB 120 MB (ESDI) 2 MB 6 MB VGA optional Desktop June 1988 [43][44]
70 386 8570-161 Intel 386 20 MCA, 32-bit 3 3 one 1.44 MB 160 MB (ESDI) 4 MB 6 MB VGA optional Desktop June 1991 [43]
70 386 8570-A16 Intel 386 25 MCA, 32-bit 3 3 one 1.44 MB 160 MB (ESDI) 4 MB 6 MB VGA optional Desktop June 1991 [37]
70 386 8570-A21 Intel 386 25 MCA, 32-bit 3 3 one 1.44 MB 120 MB (ESDI) 2 MB 6 MB VGA optional Desktop December 1988 [43][37][44][45][46]
70 386 8570-A61 Intel 386 25 MCA, 32-bit 3 3 one 1.44 MB 60 MB (ESDI) 2 MB 6 MB VGA optional Desktop September 1989 [43][37]
70 386 8570-A81 Intel 386 25 MCA, 32-bit 3 3 one 1.44 MB 80 MB (ESDI) 4 MB 6 MB VGA optional Desktop June 1991 [37]
70 386 8570-E61 Intel 386 16 MCA, 32-bit 3 3 one 1.44 MB 60 MB (ESDI) 1 MB 6 MB VGA optional Desktop June 1988 [43][44]
70 486 8570-B21 Intel 486 25 MCA, 32-bit 3 3 one 1.44 MB 120 MB (ESDI) 2 MB 8 MB VGA optional Desktop December 1989 [47][37][48]
70 486 8570-B61 Intel 486 25 MCA, 32-bit 3 3 one 1.44 MB 60 MB (ESDI) 2 MB 8 MB VGA optional Desktop December 1989 [47][37][48]
80 8580-041 Intel 386 16 MCA, 32-bit 8 5/6 one 1.44 MB 44 MB (ST-506) 1 MB 2 MB VGA optional Tower July 1987 [49][50][51][39]
80 8580-071 Intel 386 16 MCA, 32-bit 8 5/6 one 1.44 MB 70 MB (ESDI) 1 MB 2 MB VGA optional Tower July 1987 [49][50][51][39]
80 8580-081 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 80 MB (SCSI) 2 MB 4 MB VGA optional Tower October 1990 [52]
80 8580-111 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 115 MB (ESDI) 2 MB 4 MB VGA optional Tower November 1987 [49][50][39][53]
80 8580-121 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 120 MB (SCSI) 2 MB 4 MB VGA optional Tower March 1990 [40]
80 8580-161 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 160 MB (SCSI) 2 MB 4 MB VGA optional Tower October 1990 [52]
80 8580-311 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 314 MB (ESDI) 2 MB 4 MB VGA optional Tower January 1988 [54][39][55]
80 8580-321 Intel 386 20 MCA, 32-bit 8 5/6 one 1.44 MB 320 MB (SCSI) 2 MB 4 MB VGA optional Tower March 1990 [40]
80 8580-A16 Intel 386 25 MCA, 32-bit 8 5/6 one 1.44 MB 160 MB (SCSI) 4 MB 8 MB VGA optional Tower October 1990 [52]
80 8580-A21 Intel 386 25 MCA, 32-bit 8 5/6 one 1.44 MB 120 MB (SCSI) 4 MB 8 MB VGA optional Tower March 1990 [40]
80 8580-A31 Intel 386 25 MCA, 32-bit 8 5/6 one 1.44 MB 320 MB (SCSI) 4 MB 8 MB VGA optional Tower March 1990 [40]
53 SLC2 9553-0B7 IBM 486SLC2 50 MCA, 16-bit 3 3 one 1.44 MB 120 MB (IDE) 4 MB 16 MB SVGA optional Desktop November 1993 Reply board [56][57]
53 SLC2 9553-0BB IBM 486SLC2 50 MCA, 16-bit 3 3 one 1.44 MB 250 MB (IDE) 4 MB 16 MB SVGA optional Desktop November 1993 Reply board [56][57]
53 LS 9553-1BX IBM 486SLC2 50 MCA, 16-bit 3 3 none none 4 MB 16 MB SVGA optional Desktop November 1993 Reply board, Ethernet [56]
53 LS 9553-2BX IBM 486SLC2 50 MCA, 16-bit 3 3 none none 4 MB 16 MB SVGA optional Desktop November 1993 Reply board, Token Ring [56]
56 486SLC2 9556-0B6 IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 [58]
56 486SLC2 9556-0BA IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 [58]
56 486SLC2 9556-1BX IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB none 4 MB 16 MB XGA-2 optional Desktop Un­known Ethernet [22]
56 486SLC2 9556-2BX IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB none 4 MB 16 MB XGA-2 optional Desktop Un­known Token Ring [22]
56 486SLC2 9556-ABX IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB none 4 MB 16 MB XGA-2 optional Desktop Un­known [22]
56 486SLC2 9556-DB6 IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop October 1992 [59]
56 486SLC2 9556-DBA IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop October 1992 [59]
56 486SLC2 9556-KB6 IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop May 1993 [57]
56 486SLC2 9556-KBA IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop May 1993 [57]
56 486SLC2 9556-QB6 IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop May 1993 [57]
56 486SLC2 9556-QBA IBM 486SLC2 50 MCA, 16-bit 3 2 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop May 1993 [57]
56 486SLC3 9556-DE9 IBM 486SLC3 75 MCA, 16-bit 3 3 one 2.88 MB 170 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 [60]
56 486SLC3 9556-DEB IBM 486SLC3 75 MCA, 16-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 [60]
56 486SLC3 9556-DED IBM 486SLC3 75 MCA, 16-bit 3 3 one 2.88 MB 340 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 [60][61]
56 486SLC3 LS 9556-1EX IBM 486SLC3 75 MCA, 16-bit 3 3 none none 4 MB 16 MB XGA-2 optional Desktop February 1994 Ethernet [61][62]
56 486SLC3 LS 9556-2EX IBM 486SLC3 75 MCA, 16-bit 3 3 none none 4 MB 16 MB XGA-2 optional Desktop February 1994 Token Ring [61][62]
57 486SLC2 9557-0B6 IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 [57]
57 486SLC2 9557-0BA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 [57]
57 486SLC2 9557-0BF IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 400 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop Un­known [22]
57 486SLC2 9557-0BG IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop Un­known [22]
Ultimedia M57 486SLC2 9557-1BA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 [63]
Ultimedia M57 486SLC2 9557-2BA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop September 1992 ActionMedia II Adapter [63]
57 486SLC2 9557-DB6 IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop October 1992 [64]
57 486SLC2 9557-DBA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop October 1992 [64]
57 486SLC2 9557-DBG IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop July 1993 [22][65]
57 486SLC2 9557-KB6 IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop July 1993 [22][65]
57 486SLC2 9557-KBA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop July 1993 [22][65]
57 486SLC2 9557-KBG IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop July 1993 [22][65]
57 486SLC2 9557-QB6 IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 104 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop April 1993 [22][65]
57 486SLC2 9557-QBA IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop April 1993 [22][65]
57 486SLC2 9557-V01 IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 2×212 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop June 1992 [22]
57 486SLC2 9557-xEB IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 245 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop January 1994 [22]
57 486SLC2 9557-xEG IBM 486SLC2 50 MCA, 16-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop January 1994 [22]
57 486SLC3 9557-DE9 IBM 486SLC3 75 MCA, 16-bit 5 5 one 2.88 MB 270 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 [60]
57 486SLC3 9557-DEB IBM 486SLC3 75 MCA, 16-bit 5 5 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 [60]
57 486SLC3 9557-DED IBM 486SLC3 75 MCA, 16-bit 5 5 one 2.88 MB 270 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 Includes CD-ROM and audio card [60][61]
57 486SLC3 9557-DEG IBM 486SLC3 75 MCA, 16-bit 5 5 one 2.88 MB 540 MB (SCSI) 8 MB 16 MB XGA-2 optional Desktop February 1994 Includes CD-ROM and audio card [60][61]
76 486 9576-0U6 Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 104 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop September 1992 [66][57]
76 486 9576-0UA Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop September 1992 [66][57]
76 486 9576-DU6 Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 104 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop August 1993 [57]
76 486 9576-DUA Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop August 1993 [57]
76 486 9576-KU6 Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 104 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [57]
76 486 9576-KUA Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [57]
76 486 9576-QU6 Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 104 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [57]
76 486 9576-QUA Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [57]
76i 9576-ANB Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 IDE [57]
76i 9576-ATB Intel 486DX4 100 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 IDE [57]
76i 9576-AU9 Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 170 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 IDE [57]
76i 9576-AUB Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 IDE [57]
76s 9576-BNB Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 SCSI [57]
76s 9576-BTB Intel 486DX4 100 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 SCSI [57]
76s 9576-BUB Intel 486SX 33 MCA, 32-bit 3 3 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 SCSI [57]
77 486 9577-0UA Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 400 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
77 486 9577-0UF Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
77 486 9577-DU6 Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 104 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop Un­known [22]
77 486 9577-DUA Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop July 1993 [22]
77 486 9577-DUG Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop July 1993 [22]
77 486 9577-KUA Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486 9577-KUF Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 400 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486 9577-KUG Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486 9577-QUA Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486DX2 9577-0NA Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
77 486DX2 9577-0NF Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 400 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
77 486DX2 9577-DNA Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop July 1993 [22]
77 486DX2 9577-DNG Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 540 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop July 1993 [22]
77 486DX2 9577-KNA Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486DX2 9577-KNG Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 540 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop May 1993 [22]
77 486DX2 9577-QNA Intel 486DX2 66 MCA, 32-bit 3 3 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop April 1993 [22]
Ultimedia M77 486 9577-1UA Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
Ultimedia M77 486DX2 9577-1NA Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 212 MB (SCSI) 8 MB 32 MB XGA-2 optional Desktop October 1992 [5]
77i 9577-ANB Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 270 MB (IDE) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77i 9577-ANG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 527 MB (IDE) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77i 9577-ATB Intel 486DX4 100 MCA, 32-bit 5 4 one 2.88 MB 270 MB (IDE) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77i 9577-ATG Intel 486DX4 100 MCA, 32-bit 5 4 one 2.88 MB 527 MB (IDE) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77i 9577-AUB Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 270 MB (IDE) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-BNB Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-BNG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-BTB Intel 486DX4 100 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-BTG Intel 486DX4 100 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-BUB Intel 486SX 33 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-xNB Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-xNG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-xTG Intel 486DX4 100 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop June 1994 [57]
77s 9577-6NB Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, Windows [57]
77s 9577-7NB Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 270 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, OS/2 [57]
77s 9577-6NG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, Windows [57]
77s 9577-7NG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, OS/2 [57]
77s 9577-6TG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, Windows, max. 256-KB L2 cache [57]
77s 9577-7TG Intel 486DX2 66 MCA, 32-bit 5 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB S3 928 optional Desktop November 1994 Multimedia, OS/2, max. 256-KB L2 cache [57]
90 XP 486 8590-0G5 Intel 486SX 20 MCA, 32-bit 4 4 one 1.44 MB 80 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0G9 Intel 486SX 20 MCA, 32-bit 4 4 one 1.44 MB 160 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0H5 Intel 486SX 25 MCA, 32-bit 4 4 one 1.44 MB 80 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0H9 Intel 486SX 25 MCA, 32-bit 4 4 one 1.44 MB 160 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0J5 Intel 486 25 MCA, 32-bit 4 4 one 1.44 MB 80 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0J9 Intel 80486DX 25 MCA, 32-bit 4 4 one 1.44 MB 160 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0K9 Intel 80486DX 33 MCA, 32-bit 4 4 one 1.44 MB 320 MB (SCSI) 8 MB 64 MB XGA optional Desktop October 1991 [54]
90 XP 486 8590-0KD Intel 80486DX 33 MCA, 32-bit 4 4 one 1.44 MB 320 MB (SCSI) 4 MB 64 MB XGA optional Desktop October 1990 [67]
90 XP 486 8590-0KF Intel 80486DX 33 MCA, 32-bit 4 4 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Desktop October 1991 [54]
90 XP 486 8590-0L9 Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 160 MB (SCSI) 8 MB 64 MB XGA optional Desktop April 1992 [68]
90 XP 486 8590-0LF Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Desktop April 1992 [68]
90 XP 486 9590-0LA Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 212 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 [69]
90 XP 486 9590-0LF Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 [69]
90 XP 486 9590-DLA Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 212 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 Windows 3.1 [69]
90 XP 486 9590-DLG Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 Windows 3.1 [69]
90 XP 486 9590-KLA Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 212 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 OS/2 [69]
90 XP 486 9590-KLG Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop March 1993 OS/2 [69]
90 XP 486 9590-QLA Intel 486DX2 50 MCA, 32-bit 4 4 one 2.88 MB 212 MB (SCSI) 8 MB 64 MB XGA-2 optional Desktop April 1993 OS/2 [22]
95 XP 486 8595-0G9 Intel 486SX 20 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 4 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0GF Intel 486SX 20 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 4 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0H9 Intel 486SX 25 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0HF Intel 486SX 25 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0J9 Intel 486 25 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0JD Intel 486 25 MCA, 32-bit 8 8 one 1.44 MB 320 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0JF Intel 486 25 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0KD Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 320 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0KF Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0LF Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA optional Tower October 1990 [70]
95 XP 486 8595-0M6 Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 104 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0M9 Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 160 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0MA Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 208 MB/212 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0MD Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 320 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0MF Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 400 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0MG Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 540 MB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 8595-0MT Intel 486DX2 50 MCA, 32-bit 8 7 one 1.44 MB 1 GB (SCSI) 16 MB 64 MB XGA optional Tower October 1990 [71]
95 XP 486 9595-0L6 Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 104 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0L9 Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0LA Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 208 MB/212 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0LD Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 320 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0LF Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0LG Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 540 MB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
95 XP 486 9595-0LT Intel 486DX2 50 MCA, 32-bit 8 8 one 1.44 MB 1 GB (SCSI) 8 MB 64 MB XGA-2 optional Tower October 1992 [72]
E 9533 IBM 486SLC2 50 ISA, 16-bit 4 (PC Card) 1 one 1.44 MB 350 MB/none (IDE) 4 MB 16 MB XGA-2 optional CRT/LCD Small form factor desktop July 1993

PS/2 Server

See also: Lenovo System x
IBM PS/2 Server models
Model IBM P/N Processor Clock speed
(MHz)		 Bus No. of
slots		 No. of
drive bays		 FDD HDD Stock
RAM		 Maximum
RAM		 Video adapter Monitor Form factor Date introduced Notes Ref(s).
Server 85 9585-0X6 Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 104 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0X9 Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 160 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0XA Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 208 MB/212 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0XD Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 320 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0XF Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0XG Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 540 MB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0XT Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 1 GB (SCSI) 8 MB 64 MB SVGA optional Tower September 1992 [73][74]
Server 85 9585-0KG Intel 486 33 MCA, 32-bit 8 7 one 2.88 MB 540 MB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [75][76][77]
Server 85 9585-0KT Intel 486 33 MCA, 32-bit 8 7 one 2.88 MB 1 GB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [75][76][77]
Server 85 9585-0NG Intel 486DX2 66 MCA, 32-bit 8 7 one 2.88 MB 540 MB (SCSI) 8 MB 256 MB SVGA optional Tower September 1993 [78][79][77]
Server 85 9585-0NT Intel 486DX2 66 MCA, 32-bit 8 7 one 2.88 MB 1 GB (SCSI) 8 MB 256 MB SVGA optional Tower September 1993 [78][79][77]
Server 85 9585-4Vx Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB SVGA optional Tower Un­known [22]
Server 85 9585-Z0x Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB SVGA optional Tower June 1994 [22]
Premium Server 85 9585-4Ux Intel 486SX 33 MCA, 32-bit 8 7 one 2.88 MB 400 MB (SCSI) 8 MB 64 MB SVGA optional Tower May 1993 [22]
Server 95 8595-0K6 Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 104 MB (SCSI) 8 MB 256 MB SVGA optional Tower Un­known [80]
Server 95 8595-0K9 Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 8 MB 256 MB SVGA optional Tower Un­known [80]
Server 95 8595-0KA Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 208 MB/212 MB (SCSI) 8 MB 256 MB SVGA optional Tower Un­known [80]
Server 95 8595-0KG Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 540 MB (SCSI) 8 MB 256 MB SVGA optional Tower Un­known [71]
Server 95 8595-0KT Intel 486 33 MCA, 32-bit 8 8 one 1.44 MB 1 GB (SCSI) 8 MB 256 MB SVGA optional Tower Un­known [71]
Server 95 8595-0L6 Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 104 MB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81][76]
Server 95 8595-0L9 Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81]
Server 95 8595-0LA Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 208 MB/212 MB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81][76]
Server 95 8595-0LD Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 320 MB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81][76]
Server 95 8595-0LG Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 540 MB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81][76]
Server 95 8595-0LT Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 1 GB (SCSI) 8 MB 256 MB SVGA optional Tower October 1992 [81][76]
Server 95 9595-0M6 Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 104 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0M9 Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 160 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0MA Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 208 MB/212 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0MD Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 320 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0MF Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 400 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0MG Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 540 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-0MT Intel 486 50 MCA, 32-bit 8 8 one 1.44 MB 1 GB (SCSI) 16 MB 256 MB SVGA optional Tower October 1992 [82][76]
Server 95 9595-1NG Intel 486DX2 66 MCA, 32-bit 8 7 one 1.44 MB 540 MB (SCSI) 16 MB 256 MB SVGA optional Tower October 1993 [83][6]
Server 95 9595-1NT Intel 486DX2 66 MCA, 32-bit 8 7 one 1.44 MB 1 GB (SCSI) 16 MB 256 MB SVGA optional Tower October 1993 [83][6]
Server 95 9595-1NV Intel 486DX2 66 MCA, 32-bit 8 7 one 1.44 MB 2 GB (SCSI) 16 MB 256 MB SVGA optional Tower 1994 [72][84]
Server 95 9595-0PT Intel Pentium 60 MCA, 32-bit 8 7 one 1.44 MB 540 MB (SCSI) 16 MB 256 MB SVGA optional Tower September 1993 [85][6]
Server 95 9595-0PV Intel Pentium 60 MCA, 32-bit 8 7 one 1.44 MB 1 GB (SCSI) 16 MB 256 MB SVGA optional Tower September 1993 [85][6]
Server 95 9595-0QG Intel Pentium 66 MCA, 32-bit 8 7 one 1.44 MB 540 MB (SCSI) 16 MB 256 MB SVGA optional Tower September 1993 [86][79]
Server 95 9595-0QT Intel Pentium 66 MCA, 32-bit 8 7 one 1.44 MB 1 GB (SCSI) 16 MB 256 MB SVGA optional Tower February 1994 [87]
Server 95 9595-0QV Intel Pentium 66 MCA, 32-bit 8 7 one 1.44 MB 1 GB (SCSI) 16 MB 256 MB SVGA optional Tower September 1993 [86][79]
Server 95 Array 9595-3NG Intel 486DX2 66 MCA, 32-bit 8 9 one 1.44 MB 3×540 MB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3NT Intel 486DX2 66 MCA, 32-bit 8 9 one 1.44 MB 3×1 GB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3NT Intel 486DX2 66 MCA, 32-bit 8 9 one 1.44 MB 3×1 GB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3PG Intel Pentium 60 MCA, 32-bit 8 9 one 1.44 MB 3×540 MB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3PT Intel Pentium 60 MCA, 32-bit 8 9 one 1.44 MB 3×1 GB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3QG Intel Pentium 66 MCA, 32-bit 8 9 one 1.44 MB 3×540 MB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Server 95 Array 9595-3QT Intel Pentium 66 MCA, 32-bit 8 9 one 1.44 MB 3×1 GB (SCSI) 8 MB 256 MB SVGA optional Tower November 1993 [72][6]
Premium Server 95 9595-Z0x Intel 486DX2
Intel Pentium 		66 MCA, 32-bit 8 7 one 2.88 MB 1 GB (SCSI) 8 MB 256 MB SVGA optional Tower December 1994 Pre-installed with IBM LAN Server or Novell NetWare [88]
Server 295 8600-001 Intel 486 33 MCA, 32-bit, dual 12 10 one 1.44 MB 400 MB/1 GB (SCSI) 32 MB 128 MB SVGA optional Tower June 1992 Supports up to 28 GB of hot-swappable hard drive storage, RAID-5 compatible, dual processor optional, accepts only IBM 400 MB or 1 GB disks [89][90][91]
Server 295 8600-002 Intel 486 50 MCA, 32-bit, dual 12 10 one 1.44 MB 400 MB/1 GB (SCSI) 32 MB 128 MB SVGA optional Tower June 1992 Supports up to 28 GB of hot-swappable hard drive storage, RAID-5 compatible, dual processor optional, accepts only IBM 400 MB or 1 GB disks [89][90][91]
Server 195 8600-003 2×Intel 486 50 MCA, 32-bit, dual 12 10 one 1.44 MB 400 MB/1 GB (SCSI) 32 MB 128 MB SVGA optional Tower April 1993 Supports up to 28 GB of hard drive storage, RAID-5 compatible, dual processor standard, accepts only IBM 400 MB or 1 GB disks [92][91]

Portables

See also: IBM PS/2 portable computers
IBM PS/2 portable models
Model IBM P/N Processor Clock speed
(MHz)		 Bus No. of
slots		 No. of
drive bays		 FDD HDD Stock
RAM		 Maximum
RAM		 Video adapter Monitor Form factor Date introduced Notes Ref(s).
P70 8573-031 Intel 386 16 MCA, 32-bit 2, 1-16bit

1- 32bit

0 one 1.44 MB 30 MB (ESDI) 2 MB 8 MB VGA Monochrome gas plasma Portable March 1990 Includes slot for optional i387 co-processor [93]
P70 8573-061 Intel 386 20 MCA, 32-bit 2 (one 16-bit, one 32-bit) 0 one 1.44 MB 60 MB (ESDI) 2 MB 8 MB VGA Monochrome gas plasma Portable May 1989 Includes slot for optional i387 co-processor [93]
P70 8573-121 Intel 386 20 MCA, 32-bit 2 (one 16-bit, one 32-bit) 0 one 1.44 MB 120 MB (ESDI) 2 MB 8 MB VGA Monochrome gas plasma Portable May 1989 Includes slot for optional i387 co-processor [93]
P75 8573-161 Intel 486 33 MCA, 32-bit 4 (two 16-bit, two 32-bit) 0 one 1.44 MB 160 MB (SCSI) 4 MB 16 MB VGA Monochrome gas plasma Portable November 1990 SCSI controller built into planar [93]
P75 8573-401 Intel 486 33 MCA, 32-bit 4 (two 16-bit, two 32-bit) 0 one 1.44 MB 400 MB (SCSI) 4 MB 16 MB VGA Monochrome gas plasma Portable November 1990 SCSI controller built into planar [93]
L40 SX 8543-A44 Intel 386SX 20 ISA, 16-bit 0 (1 with AT bus expansion port) 0 one 1.44 60 MB (IDE) 2 MB 18 MB VGA Monochrome LCD Laptop March 1991 [93][94]
N51SX 8551-033 Intel 386SX 16 Proprietary 2 (PC Card) Un­known one 1.44 40 MB (IDE) 2 MB 10 MB VGA Monochrome LCD Notebook Un­known
N51SLC 8551-025 IBM 386SLC 16 Proprietary 2 (PC Card) Un­known one 1.44 80 MB (IDE) 2 MB 10 MB VGA Monochrome LCD Notebook Un­known
N33SX 8533-A33 Intel 386SX 16 Proprietary 2 (PC Card) Un­known one 1.44 40 MB (IDE) Un­known Un­known Un­known Monochrome LCD Notebook Un­known
N33SX 8533-A35 Intel 386SX 16 Proprietary 2 (PC Card) Un­known one 1.44 80 MB (IDE) Un­known Un­known Un­known Monochrome LCD Notebook Un­known
CL57 SX 8554-045 IBM 386SLC 16 Proprietary 2 (PC Card) Un­known one 1.44 80 MB (IDE) 2 MB 16 MB VGA Color TFT Laptop Un­known
IBM PS/2-related systems
Name IBM P/N Processor Clock speed
(MHz)		 Bus No. of
slots		 No. of
drive bays		 FDD HDD Stock
RAM		 Maximum
RAM		 Video adapter Monitor Form factor Date introduced Notes Ref(s).
Academic System 6152-022 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 20 MB (ST-506) 2 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Academic System 6152-024 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 20 MB (ST-506) 4 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Academic System 6152-044 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 44 MB (ST-506) 4 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Academic System 6152-048 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 44 MB (ST-506) 8 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Academic System 6152-074 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 70 MB (ESDI) 4 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Academic System 6152-078 Intel 80286
ROMP 032 		10 (286) MCA, 16-bit 8 4 one 1.44 70 MB (ESDI) 8 MB 8 MB VGA optional Tower February 1988 ROMP processor on daughter card, cannot work in parallel with 286 [95][96][97]
Clinical Workstation 7690 Intel 8086 8 (0 w) ISA, 8-bit 4 0 one 1.44 MB none 640 KB 8 MB MCGA Monochrome LCD Mobile workstation September 1989 Purpose-built mobile workstation using the Model 25 system board and Model 30 firmware for the healthcare sector; pairs with the IBM 7496 Executive Workstation [98]
EduQuest Thirty 9603 IBM 386SLC 25 ISA, 16-bit 4 2 one 1.44 MB 30 MB (IDE) 1–4 MB 20 MB SVGA 14-in. color All-in-one March 1993 Model 25 adapted specifically for educational institutions, optional sound card, late models without IBM logo on badge [99][100][101]
EduQuest Forty 9604 Intel 486SX 25 ISA, 16-bit 4 2 one 1.44 MB 30 MB (IDE) 4 MB 20 MB SVGA 14-in. color All-in-one March 1993 Model 25 adapted specifically for educational institutions, optional sound card, late models without IBM logo on badge [99][100][101]
EduQuest Fifty 9605 Intel 486SX 25 ISA, 16-bit 4 2 one 1.44 MB 30 MB (IDE) 4 MB 20 MB SVGA 14-in. color All-in-one March 1993 Model 25 adapted specifically for educational institutions, optional sound card, late models without IBM logo on badge [99][100][101]
EduQuest Thirty-cs 9606 Cyrix Cx486SLC2 25/50 ISA, 16-bit 4 2 one 1.44 MB Un­known Un­known Un­known SVGA 14-in. color All-in-one 1994 Model 25 adapted specifically for educational institutions, optional sound card [102][103][101]
EduQuest Fifty-cs 9608 Intel 486DX2 33 ISA, 16-bit 4 2 one 1.44 MB Un­known Un­known Un­known SVGA 14-in. color All-in-one 1994 Model 25 adapted specifically for educational institutions, optional sound card [102][103][101]
EduQuest Thirty-five 9613 Cyrix Cx486SLC2 25/50 ISA, 16-bit 4 2 one 1.44 MB 133 MB/256 MB/342 MB (IDE) 4 MB Un­known SVGA 14-in. color All-in-one September 1994 Model 25 adapted specifically for educational institutions, optional sound card, late models without IBM logo on badge [104][101]
EduQuest Fifty-five 9615 Intel 486 33–100 ISA, 16-bit 4 2 one 1.44 MB 170 MB/360 MB/540 MB (IDE) 4 MB 64 MB SVGA 14-in. color All-in-one September 1994 Model 25 adapted specifically for educational institutions, optional sound card, six processor options offered [104][101]
EduQuest Forty-five 9614 Intel 486DX2 50 or 66 ISA, 16-bit 4 2 one 1.44 MB Un­known 4 MB Un­known SVGA 14-in. color All-in-one September 1995 Model 25 adapted specifically for educational institutions, optional sound card [105][101]
Executive Workstation 7496 Intel 8086 8 (0 w) ISA, 8-bit 3 0 one 720 KB none 640 KB 640 KB MCGA Monochrome All-in-one September 1989 Purpose-built all-in-one computer using the Model 30 system board for the healthcare sector; pairs with the IBM 7690 Clinical Workstation (image 1, 2) [106]
GE Fanuc Workmaster II 7186 Intel 386 16 MCA, 32-bit 0 0 one 1.44 MB 30 MB (ESDI) 2 MB 8 MB VGA Monochrome gas plasma Portable March 1990 General Electric Fanuc-branded ruggedized industrial PS/2 P70 in black plastic case [107]
Industrial Computer 7552-040 Intel 80286 10 ISA, 16-bit
MCA, 16-bit (undocumented) 		8 (modules, 7 fillable) 3 (as modules) none none 512 KB 3 MB EGA optional Benchtop or rack mount October 1986 Also known as "Gearbox", rack-mountable ruggedized modular industrial computer, hybrid MCA and ISA with compromised ISA signal lines—notable for introducing the (16-bit) Micro Channel architecture half a year before the announcement of the PS/2 line in April 1987 [108][109][110][111]
Industrial Computer 7552-140 Intel 80286 10 ISA, 16-bit
MCA, 16-bit (undocumented) 		8 (modules, 7 fillable) 3 (as modules) one 1.44 MB (as a module) 20 MB (as a module, 40 MB as two identical modules; ST-506) 512 KB 3 MB VGA optional Benchtop or rack mount October 1986 Also known as "Gearbox", rack-mountable ruggedized modular industrial computer, hybrid MCA and ISA with compromised ISA signal lines—notable for introducing the (16-bit) Micro Channel architecture half a year before the announcement of the PS/2 line in April 1987 [108][109][110][111]
Industrial Computer 7541 Intel 80286 10 MCA, 16-bit 3 3 one 1.44 MB 30 MB (ESDI) 1 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop March 1989 Desktop ruggedized industrial PS/2 [112][113]
Industrial Computer 7542 Intel 80286 10 MCA, 16-bit 4 3 one 1.44 MB 30 MB (ESDI) 1 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Rack mount March 1989 Rack-mounted ruggedized industrial PS/2 [112][113]
Industrial Computer 7561 Intel 386 20 MCA, 32-bit 3 4 one 1.44 MB 60 MB (ESDI) 2 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop March 1989 Desktop ruggedized industrial PS/2 [112][113]
Industrial Computer 7562 Intel 386 20 MCA, 32-bit 4 4 one 1.44 MB 60 MB (ESDI) 2 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Rack mount March 1989 Rack-mounted ruggedized industrial PS/2 [112][113]
Industrial Computer 7546 Intel 386SX 20 MCA, 16-bit 5 4 one 2.88 MB 320/400 MB (SCSI) 4 MB 16 MB VGA optional Benchtop or rack mount September 1991 Rack-mountable desktop ruggedized industrial PS/2 [114]
Industrial Computer 7568-040 Intel 386 25 MCA, 32-bit
ISA, 16-bit (with adapter interposer) 		8 (modules, 7 fillable) 3 (as modules) one 1.44 MB (as a module) none 4 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop or rack mount October 1989 Also known as "Gearbox 800", rack-mountable ruggedized modular industrial PS/2 [115][116]
Industrial Computer 7568-150 Intel 386 25 MCA, 32-bit
ISA, 16-bit (with adapter interposer) 		8 (modules, 6 fillable) 3 (as modules) one 1.44 MB (as a module) 120 MB (as a module, 240 MB as two identical modules; ESDI) 8 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop or rack mount October 1989 Also known as "Gearbox 800", rack-mountable ruggedized modular industrial PS/2 [115][116]
Industrial Computer 7568-C40 Intel 486 25 MCA, 32-bit
ISA, 16-bit (with adapter interposer) 		8 (modules, 7 fillable) 3 (as modules) one 1.44 MB (as a module) optional 8 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop or rack mount September 1991 Also known as "Gearbox 800", rack-mountable ruggedized modular industrial PS/2 [117][116]
Industrial Computer 7568-D40 Intel 486DX2 50 MCA, 32-bit
ISA, 16-bit (with adapter interposer) 		8 (modules, 7 fillable) 3 (as modules) one 1.44 MB (as a module) optional 8 MB 8 MB (on planar)
16 MB (with expansion card) 		VGA optional Benchtop or rack mount September 1991 Also known as "Gearbox 800", rack-mountable ruggedized modular industrial PS/2 [118][116]
Personal Typing System 6901-001 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. monochrome Desktop July 1987 Slightly modified application-specific Model 30 with word processing software, networking expansion card, and Wheelwriter [119]
Personal Typing System 6901-002 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. monochrome Desktop July 1987 Slightly modified application-specific Model 30 with word processing software, networking expansion card, and Quietwriter [119]
Personal Typing System 6901-003 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. color Desktop July 1987 Slightly modified application-specific Model 30 with word processing software, networking expansion card, and Wheelwriter [119]
Personal Typing System 6901-004 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. color Desktop July 1987 Slightly modified application-specific Model 30 with word processing software, networking expansion card, and Quietwriter [119]
Personal Typing System 6901-005 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. monochrome Desktop July 1987 Slightly modified application-specific Model 30 with word processing software and networking expansion card [119]
Personal Typing System 6901-006 Intel 8086 8 (0 w) ISA, 8-bit 0 2 one 720 KB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA 12-in. color Desktop July 1987 Slightly modified application-specific Model 30 with word processing software and networking expansion card [119]
Personal Typing System/2 6907 Intel 8086 8 (0 w) ISA, 8-bit 2 2 one 1.44 MB (two optional) none (20 MB optional with single-floppy model; ST-506) 640 KB 640 KB MCGA optional Desktop July 1989 Slightly modified application-specific Model 30 with word processing software and networking expansion card, Wheelwriter optional [120][121]
Personal Typing System/2 286 6908 Intel 80286 10 (1 w) ISA, 16-bit 2 2 one 1.44 MB (two optional) none (20/30 MB optional with single-floppy model; ST-506/ESDI) 1 MB 1 MB VGA optional Desktop July 1989 Slightly modified application-specific Model 30 286 with word processing software and networking expansion card, Wheelwriter optional [120][121]

See also

References

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