Partial Historical past the IBM Computer 1967: IBM builds the worlds initial floppy disk.
1967: IBM introduces the worlds very first 8" floppy disk.
1973: IBM introduces the IBM 3340 tough disk unit, referred to as the Winchester.
1975: September - IBM's Entry Level Methods unit unveils "Project Mercury", the IBM 5100 Moveable Pc.
1981: September - IBM ships the IBM 5150 Computer Personal Pc. 1982: April - 8 months following the introduction of the IBM Pc, fifty,
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1982: May - Microsoft releases MS-DOS one.one to IBM, for the IBM Pc.
1982: June - The initial IBM Laptop clone, the MPC, is launched by Columbia Data Goods.
1982: August - Following one yr of manufacturing,
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1982: November - Compaq Laptop or computer introduces the Compaq Portable Personal computer, the primary 100% IBM compatible. It cost Compaq US$1 million to produce an IBM-compatible ROM BIOS that did not violate IBM's copyright.
1982: On the West Coast Personal computer Faire, Davong Methods introduces its 5MB Winchester Disk Drive for your IBM Laptop, for US$2000.
1983: March - IBM announces the IBM Laptop XT, with a ten MB tough push, 128KB RAM plus a 360KB floppy push. It expenses US$5000.
1983: November - IBM announces the IBM PCjr. It truly is US$700 for your bare configuration.
1984: February - IBM introduces the IBM Moveable Computer.
1984: March - IBM ships the IBM PCjr. It makes use of the 8088 CPU, 64KB RAM, and a single 5.25-inch disk generate, but no keep an eye on. It charges US$1300.
1984: August - IBM announces the Computer AT, for US$4000-6700.
1985: April - IBM abandons creation in the IBM PCjr.
1986: April - IBM announces the IBM Personal computer Convertible, 80C88-based, 256K RAM, and two 720K floppy disks, for US$2000.
1986: April - IBM discontinues the IBM Transportable Personal computer.
1986: September - IBM announces the IBM PC-XT Design 286, with 640KB RAM, 1.2MB floppy drive, 20MB difficult push, serial/parallel ports, and keyboard for US$4000.
1987: IBM discontinues the IBM Personal computer (model 5150) line. Source: Chronology of Activities within the Background of Microcomputers