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2. List of home computers - Wikipedia

   en.wikipedia.org/wiki/List_of_home_computers

   The cassette tape was a common low-cost and low-performance mass storage device for a generation of home computers. Home computers were a class of microcomputer that existed from 1977 to about 1995. During this time it made economic sense for manufacturers to make microcomputers aimed at the home user.

3. List of IBM Personal Computer models - Wikipedia

   en.wikipedia.org/wiki/List_of_IBM_Personal...

   1.2 MB 20 MB Industrial version of the IBM PC XT [33] [34] 7531 Industrial Computer: 7531-041 May 1985: Un­known ISA, 16-bit 8 3 Intel 80286: 6 512 KB 1 MB Un­known Un­known Industrial version of the IBM PC AT, tower form-factor 7532 Industrial Computer: 7532-041 May 1985: Un­known ISA, 16-bit 8 3 Intel 80286: 6 512 KB 1 MB Un­known Un­known

4. IBM PS/2 E - Wikipedia

   en.wikipedia.org/wiki/IBM_PS/2_E

   The PS/2 E or Energy (IBM 9533) is a member of the IBM Personal System/2 family of personal computers (PCs). It was the first Energy Star -compliant PC, [ attribution needed ] consuming very little power relative to other contemporary PCs, and made extensive use of recycled materials in its enclosure .

5. IBM PS/2 Model 55 SX - Wikipedia

   en.wikipedia.org/wiki/IBM_PS/2_Model_55_SX

   By 1991, it was the best selling x86-based PC globally. [1] It was IBM's best-selling PS/2 by a significant margin, with the company selling 25,000 units of the computer in August 1990 alone. [6] The heretofore best-selling PS/2 Model 50 Z, meanwhile, sold only 18,000 in a single month (October 1988). [14]

6. IBM PS/2 Model 50 - Wikipedia

   en.wikipedia.org/wiki/IBM_PS/2_Model_50

   The Model 50 occupies a chassis roughly half the volume of its direct predecessor, the PC/AT. Like the PC/AT, the Model 50 features an Intel 80286 processor, running at a clock speed of 10 MHz. As with all models in the PS/2 range, the Model 50 features a single 3.5-inch floppy disk drive, replacing the 5.25-inch floppy disk drive of the IBM PC ...

7. IBM PS/2 - Wikipedia

   en.wikipedia.org/wiki/IBM_PS/2

   The Personal System/2 or PS/2 is IBM's second generation [1] [2] of personal computers. Released in 1987, it officially replaced the IBM PC , XT , AT , and PC Convertible in IBM's lineup. Many of the PS/2's innovations, such as the 16550 UART (serial port), 1440 KB 3.5-inch floppy disk format, 72-pin SIMMs , PS/2 port , and VGA video standard ...