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YIS-503 II/64

Yamaha (Japan)

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Name YIS-503 II/64 Yamaha 
Manufacturer Yamaha (Japan) Type Desktop
Production start (mm-yyyy) 9 - 1984 Production end (mm-yyyy) -
RAM 64Kb + 16Kb VRAM ROM 32Kb
CPU Z80A - 3,579 Mhz
Operating System MSX 1: MSX BASIC v 1.0
Text (Cols x Rows) 40x24, 32x24
Graphics 256x192@16 colors; 32 sprites
Sound 3 sound channels (8 octaves) and a channel of white noise
Storage memory 3,5" floppy disk drive (720Kb)
Serial port Parallel port
Others port Joystick x 2
Original price   Currency original price 0
Units sold
Note Some of the names of the Yamaha computers are followed by a letter (YIS503F or YIS503FB), which indicates, according to some sources, the country of destination(keyboard and type of video-out signal):
  • E: United Kingdom (PAL-I).
  • A: Australia and New Zealand (PAL-B).
  • G: West Germany and most European countrys(PAL-B).
  • S: Scandinavian countrys (SECAM).
  • F: France (SECAM).
  • FB: Belgium (PAL-G).
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