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The IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC/AT) was released in 1984 as the fourth model in the IBM Personal Computer line, following the IBM PC/XT and its IBM Portable PC variant.
IBM Personal Computer models Type IBM P/N Date announced Date withdrawn Bus No. of slots No. of bays Processor Clock speed (MHz) Stock onboard RAM (KB) Maximum onboard RAM (KB) FDD HDD Notes Ref(s). Personal Computer: 5150-001 August 1981: March 1983: ISA, 8-bit 5 2 Intel 8088: 4.77 16 KB 64 KB none none
First IBM release IBM Personal Computer: May 1982: PC DOS 1.1 Microsoft: Double-sided disks: Upgraded IBM Personal Computer: March 1983: PC DOS 2.0 Microsoft: Hard disk drive, subdirectories, device drivers: IBM Personal Computer XT: November 1983: PC DOS 2.1 Microsoft: Half-height disk drives, ROM cartridges: IBM PCjr: August 1984: PC DOS 3.0 ...
Thirty years ago today IBM officially ushered in what many consider to be the modern computing era with the 5150. What ultimately became known simply as the IBM PC was the first machine to run a ...
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 ...
The Personal Computer Series, or PC Series, was IBM's follow-up to the Personal System/2 and PS/ValuePoint. Announced in October 1994 and withdrawn in October 2000, it was replaced by the IBM NetVista , apart from the Pentium Pro-based PC360 and PC365, which were replaced by the IBM IntelliStation .
Compaq Portable released, the first IBM PC compatible machine released with an IBM PC compatible BIOS written from scratch. US MS-DOS 2.0, PC DOS 2.0. Introduced with the IBM XT, this version included a Unix style hierarchical sub-directory structure, and altered the way in which programs could load and access files on the disk. May 1983 US
On August 12, 1981, IBM released the IBM Personal Computer. [10] One of the most far-reaching decisions made for IBM PC was to use an open architecture, [11] leading to a large market for third party add-in boards and applications; but finally also to many competitors all creating "IBM-compatible" machines.