Xerox 820
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The Xerox 820 was an 8-bit desktop computer sold by Xerox. The computer featured floppy disk drives for mass storage, and used the CP/M operating system. The design of the microprocessor board was a licensed variant of the Bigboard computer.
It used a Zilog Z80 processor clocked at 2.5 MHz, and boasted 64 kiB of RAM. The Xerox 820-II followed featuring a Z80 processor clocked at 4.0 MHz.
An updated version of this computer called the model 8/16 ran dual CPUs, Z80 and Intel 8086, which could be booted jointly or separately. The software for it was CP/M 80 and CP/M 86, plus Wordperfect and Dbase II. It featured a double 8" floppy disk drives, a 12" b/w monitor and a Daisywheel printer. Later in 1984 double 5.25 floppy disk drives, a portrait size blue monitor, and a laser printer were offered.
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