IBM 5120
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The IBM 5120 Computing System 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 bui
IBM 5120 Computer System
Closeup of a running 5120
IBM Personal Computer
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The IBM Personal Computer, often referred to 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 1
IBM 5120
…for the IBM 5110 and 5120 systems. In 1984, Core introduced PC51, software that ran unmodified 5100 Series computer programs written in BASIC on the IBM PC and compatibles under PC DOS and shared programs and data on CoreNet, the LAN for all these models. The 5120 was withdrawn from marketing on 10 December…
Internal view of the IBM PC (from the back), showing components and layout. This PC has been outfitted with aftermarket floppy and hard disk drives, but the motherboard and most of the expansion cards are stock.
Original IBM PC motherboard with 16 KB RAM soldered and 48 KB socketed, for a total of 64 KB onboard
Later IBM PC motherboard with 64 KB RAM soldered and 192 KB socketed, for a total of 256 KB onboard
IBM PC with MDA monitor