Producer: Xerox - Category: Personal Computer
Personal computer, 1982, Xerox. The 820-II is the improved version of the Xerox 820 with a faster Z80A at 4 MHz, a detachable keyboard in a new design and, as an option, an 8086 board with 128 KB of RAM that let it run MS-DOS and CP/M-86 as a 16-bit machine. The disk options included double-density 8" drives and a 10 MB hard disk, and the system was sold to offices with the Xerox word processing and Ethernet products.
| Years | 1982 to 1984 |
| Processor | Zilog Z80A at 4 MHz; optional Intel 8086 board |
| RAM | 64 KB; 128 to 256 KB on the 8086 board |
| Display | 12" monochrome CRT, 80 x 24 characters |
| Storage | external 5.25" or 8" floppy drives, optional 10 MB hard disk |
| Operating system | CP/M 2.2; MS-DOS and CP/M-86 with the 8086 board |
| Ports | 2 serial RS-232, parallel, keyboard |
| Price (1982) | US$3,795 with 8" drives |
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