IBM PCjr
Videos
The IBM PCjr is a home computer produced and marketed by IBM from March 1984 to May 1985. It was intended as a lower-cost variant of the IBM PC, with hardware capabilities better suited for video game
IBM PCjr with original "chiclet" keyboard, PCjr color display, and 64 KB memory expansion card
IBM PCjr BASIC cartridge
IBM PCjr internals
The wireless PCjr keyboard
IBM Personal Computer
Videos
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 PCjr
…pronounced "PC junior") is a home computer produced and marketed by IBM from March 1984 to May 1985. It was intended as a lower-cost variant of the IBM PC, with hardware capabilities better suited for video games, in order to compete more directly with other home computers such as the Apple II and Commodore…
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