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The IBM Personal Computer, commonly known as the IBM PC, spanned multiple models in its first generation (including the PCjr, the Portable PC, the XT, the AT, the Convertible, and the /370 systems, among others), from 1981 to 1987. It eventually gave way to many splintering product lines after IBM introduced the Personal System/2 in April 1987.
The System/23 Datamaster (Model 5322 desktop model [2] and Model 5324 floor model [3]) is an 8-bit microcomputer developed by IBM.Released in July 1981, [4] the Datamaster was the least expensive IBM computer until the far less expensive and far more popular IBM PC was announced in the following month.
The IBM PC AT came with a 192-watt switching power supply, significantly higher than the 130-watt XT power supply. According to IBM's documentation, in order to function properly, the AT power supply needed a load of at least 7.0 amperes on the +5 V line and a minimum of 2.5 amperes on its +12 V line.
The IBM 5120 Computing System (sometimes referred to as the IBM 5110 Model 3) is a 16-bit microcomputer developed by IBM and released in February 1980. Marketed as the desktop follow-on to the portable IBM 5110 Computing System, it featured two built-in 8-inch 1.2 MB floppy disk drives, an integrated 9-inch monochrome monitor, 32 KB RAM, plus ...
Tandy 1000 computer Tandy 2000 computer. In the early 1980s, Tandy began producing a line of computers that were at first "MS-DOS compatible"--able to run MS-DOS and certain applications, but not fully compatible with every nuance of the original IBM PC systems--and later mostly, but not 100%, IBM PC compatible.
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
IBM PC gets European launch at Which Computer Show. March 1983 US IBM XT released, similar to the original IBM PC but with a hard drive. It had a 10 MB hard disk, 128 KB of RAM, one floppy drive, mono monitor and a printer, all for $5000. US Compaq Portable released, the first IBM PC compatible machine released with an IBM PC compatible BIOS ...
IBM PC Jr: Several models in series [citation needed] USA RCA: COSMAC VIP: RCA 1802: 1977: Monitor: Cassette: Germany Schneider Computer Division: Euro PC: 8088: 1988 Monitor Floppy diskette Hercules, CGA: IBM PC XT: Several descendant models including 80286 and 80386SX processor and EGA, VGA adapters [12] UK Oric Int'l/Tangerine: Oric-1: 6502: ...