WHERE OLD COMPUTERS ARE WELCOME
| Name | Challenger I Series 2 |
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| Manufacturer | Ohio Scientific Instruments (OSI) (USA) | Type | Desktop |
| Production start (mm-yyyy) | Production end (mm-yyyy) | - | |
| RAM | 4-32Kb | ROM | |
| CPU | 6502 - Mhz | ||
| Operating System | OS-65 | ||
| Text (Cols x Rows) | 24 x 24 | ||
| Graphics | 256 x 256 | ||
| Sound | |||
| Storage memory | |||
| Serial port | RS-232C | Parallel port | |
| Others port | |||
| Original price | Currency original price | 479 USD | |
| Units sold | |||
| Note | |||
| Configurations | |||
| User | webmaster | ||
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