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Challenger

Ohio Scientific Instruments (OSI) (USA)

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Name Challenger Ohio Scientific Instruments (OSI) 
Manufacturer Ohio Scientific Instruments (OSI) (USA) Type Desktop
Production start (mm-yyyy) 1977 Production end (mm-yyyy) -
RAM 1-192Kb ROM up to 16Kb
CPU 6502A - Mhz
Operating System OS-65
Text (Cols x Rows) 64 x 16
Graphics
Sound
Storage memory Tape, Floppy 5.25"
Serial port Parallel port
Others port 8 S-100 slots
Original price   Currency original price
Units sold
Note  
Configurations Option 6502C, 6800
From $439 to $675 
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