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Challenger II 4P (C2-4P)

Ohio Scientific Instruments (OSI) (USA)

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Name Challenger II 4P (C2-4P) Ohio Scientific Instruments (OSI) 
Manufacturer Ohio Scientific Instruments (OSI) (USA) Type Desktop
Production start (mm-yyyy) 1979 Production end (mm-yyyy) -
RAM 4-36Kb ROM 8Kb
CPU 6502 - Mhz
Operating System
Text (Cols x Rows) 64 x 32
Graphics 512 x 256 16 colours
Sound
Storage memory Tape, floppy 5.25" 80Kb
Serial port RS232 x 2 Parallel port
Others port 4 slots, 4 game ports, joystick, TV
Original price   Currency original price
Units sold
Note  
Configurations  
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