WHERE OLD COMPUTERS ARE WELCOME
| Name | 820 |
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| Manufacturer | Xerox Corp. (USA) | Type | Desktop |
| Production start (mm-yyyy) | 1982 | Production end (mm-yyyy) | - 1985 |
| RAM | 64Kb | ROM | 4-8Kb |
| CPU | Z80A - 2.5 Mhz | ||
| Operating System | CP/ M 2.2 | ||
| Text (Cols x Rows) | 80 x 24 | ||
| Graphics | |||
| Sound | |||
| Storage memory | Floppy 5,25" 80Kb x 2, Floppy 8" 160Kb x 2 | ||
| Serial port | RS-232C 9600 baud x 2 | Parallel port | 1 opt. |
| Others port | Internal Expansion Slot, External Floppy Connector | ||
| Original price | Currency original price | 3000 USD | |
| Units sold | |||
| Note | |||
| Configurations | |||
| User | webmaster | ||
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