Partial Historical past the IBM Computer 1967: IBM builds the worlds very first floppy disk.
1967: IBM introduces the worlds 1st 8" floppy disk.
1973: IBM introduces the IBM 3340 hard disk unit, known as the Winchester.
1975: September - IBM's Entry Stage Techniques unit unveils "Project Mercury", the IBM 5100 Portable Personal computer.
1981: September - IBM ships the IBM 5150 Pc Personalized Computer. 1982: April - Eight months following the introduction from the IBM Computer, fifty,000 models happen to be marketed.
1982: May possibly - Microsoft releases MS-DOS one.one to IBM, for the IBM Pc.
1982: June - The primary IBM Computer clone, the MPC, is launched by Columbia Data Products.
1982: August - Right after one 12 months of production, IBM ships the 200,000th IBM Personal computer.
1982: November - Compaq Personal computer introduces the Compaq Transportable Laptop, the first 100% IBM compatible. It cost Compaq US$1 million to create an IBM-compatible ROM BIOS that did not violate IBM's copyright.
1982: In the West Coast Computer Faire, Davong Techniques introduces its 5MB Winchester Disk Drive for your IBM Computer, for US$2000.
1983: March - IBM announces the IBM Pc XT, which has a ten MB hard generate, 128KB RAM as well as a 360KB floppy drive. It costs US$5000.
1983: November - IBM announces the IBM PCjr. It truly is US$700 for that bare configuration.
1984: February - IBM introduces the IBM Portable Laptop.
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 track of. It fees US$1300.
1984: August - IBM announces the Personal computer AT, for US$4000-6700.
1985: April - IBM abandons manufacturing from the IBM PCjr.
1986: April - IBM announces the IBM Pc Convertible, 80C88-based, 256K RAM, and two 720K floppy disks, for US$2000.
1986: April - IBM discontinues the IBM Transportable Computer.
1986: September - IBM announces the IBM PC-XT Design 286, with 640KB RAM, one.2MB floppy drive, 20MB hard push,
Office Standard Key, serial/parallel ports, and keyboard for US$4000.
1987: IBM discontinues the IBM Laptop (model 5150) line. Supply: Chronology of Events in the Background of Microcomputers