Partial Background the IBM Personal computer 1967: IBM builds the worlds initial floppy disk.
1967: IBM introduces the worlds initial 8" floppy disk.
1973: IBM introduces the IBM 3340 tough disk unit, generally known as the Winchester.
1975: September - IBM's Entry Level Methods unit unveils "Project Mercury", the IBM 5100 Moveable Personal computer.
1981: September - IBM ships the IBM 5150 Laptop Private Pc. 1982: April - Eight months following the introduction with the IBM Personal computer, 50,000 models have been sold.
1982: May possibly - Microsoft releases MS-DOS one.one to IBM, for the IBM Personal computer.
1982: June - The first IBM Personal computer clone, the MPC, is introduced by Columbia Information Goods.
1982: August - After a single 12 months of creation, IBM ships the 200,000th IBM Personal computer.
1982: November - Compaq Personal computer introduces the Compaq Transportable Computer, the first 100% IBM compatible. It expense Compaq US$1 million to produce an IBM-compatible ROM BIOS that did not violate IBM's copyright.
1982: At the West Coast Pc Faire, Davong Methods introduces its 5MB Winchester Disk Generate for the IBM Personal computer, for US$2000.
1983: March - IBM announces the IBM Personal computer XT, using a 10 MB hard generate, 128KB RAM as well as a 360KB floppy drive. It expenses US$5000.
1983: November - IBM announces the IBM PCjr. It is US$700 for the bare configuration.
1984: February - IBM introduces the IBM Portable Computer.
1984: March - IBM ships the IBM PCjr. It employs the 8088 CPU, 64KB RAM, and one particular 5.25-inch disk drive, but no monitor. It fees US$1300.
1984: August - IBM announces the Computer AT, for US$4000-6700.
1985: April - IBM abandons production in the IBM PCjr.
1986: April - IBM announces the IBM Computer Convertible, 80C88-based, 256K RAM, and two 720K floppy disks,
Office 2007 Key, for US$2000.
1986: April - IBM discontinues the IBM Portable Pc.
1986: September - IBM announces the IBM PC-XT Model 286, with 640KB RAM, one.2MB floppy generate, 20MB tough drive, serial/parallel ports, and keyboard for US$4000.
1987: IBM discontinues the IBM Laptop (design 5150) line. Supply: Chronology of Activities within the Background of Microcomputers