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.

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 System/2 Model 80 (typeset on the badge as the Personal System/2 Model 80 386) is a high-end desktop computer in IBM's Personal System/2 (PS/2) family of personal computers. First released in July 1987, the Model 80 features the 32-bit Intel 386 processor running at a clock speed of 16 MHz.

On the high end, the Model 80 featured 2 megabytes of RAM and a 20-megahertz 80386 CPU. One of the PS/2’s most significant updates to IBM’s PC system was the computer’s input/output, or I/O, functionality, which was integrated into the motherboard.

“IBM’s share of the PC market shrank from roughly 80% in 1982–1983 to 20% a decade later.” In 2005, 24 years after the creation of the “PC era,” the PC had become a commodity business, and IBM completed the sale of its PC division to Lenovo for USD 1.75 billion in cash, stock and debt.

Jan 8, 2024 · Yes, it’s IBM’s biggest, baddest, and heaviest computer of 1987: The PS/2 Model 80 386. If one of these behemoths lumbers into your collection you need to be prepared for all the gotchas it brings.

Aug 11, 2021 · To reassert its leadership, IBM released the PS/2 series of machines in 1987. It consisted originally of five models (30, 50, 60, and two 80s) that ranged from an 8086 machine (the Model 30) up...

Aug 12, 2021 · Here's what it was like to buy and use one in the early 1980s. It's late 1981, and you want to buy a brand new IBM PC. If you're in the US, you can get one from a computer …

Jul 21, 2021 · By 1980, customers in many industries were telling their IBM contacts to enter the fray. At IBM plants in San Diego, Endicott, N.Y, and Poughkeepsie, N.Y., engineers were forming hobby clubs to learn about the new machines.

The introduction of the IBM PC marked a major milestone in 1980's computing, and led to the growth of the PC compatible market, with the creation of companies such as Compaq, Dell and 3Com, and a major boost to the fortunes of Microsoft, Novell and Borland.