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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.
This share of IBM's PC sales remained steady into the next year, the Model 55 SX representing 22 percent of IBM's PC sales in June 1990. [12] For the majority of 1990, it was the best-selling personal computer in the United States. [13] By 1991, it was the best selling x86-based PC globally. [1]
It originally only ran on Intel 386 processors, but years later added many different types of computers (now includes complete range from small to supercomputers and IBM mainframes), including Sun SPARC, DEC/Compaq Alpha, and many ARM, MIPS, PowerPC, and Motorola 68000 based computers.
An IBM PC 340. The PC 340, introduced in 1996, [2] was a budget model. It used the Pentium processor clocked at 100, 133 or 166 MHz. It had 4 ISA and 3 PCI expansion slots and four (2 external 5.25 inch, 1 external and 1 internal 3.5 inch) drive bays. It had 4 SIMM-72 RAM slots, and featured an IBM SurePath BIOS. The submodels were:
An assortment of IBM PS/2s in various form factors; from left to right: a Server 95, a Model 80, a Model 25, and a PS/2 E on top of a Model 56 and a Model 30 286. The Personal System/2 or PS/2 was a line of personal computers developed by International Business Machines Corporation (IBM).
On August 12th, 1981, IBM introduced their first PC model, also known as the 5150. Can you imagine functioning today. ... 1990: The largest Tyrannosaurus Rex skeleton discovered in South Dakota.
IBM PS/1 2168. The PS/1 line was created for new computer users and was sold in consumer electronics stores alongside comparable offerings from Compaq, Hewlett-Packard, Packard Bell, and others. American PS/1 models came with a modem installed so users could access online IBM help services, which were provided by partnerships with Prodigy and ...
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 ...