6 Manufacturer : Sharp Corporation Year of Release : 1982 OS : CP/M CPU : Sharp Z80 A running @ 4 MHz RAM : 64 KB / VRAM : 4 KB (up to 48 KB) ROM : 6 KB GPU : Sharp-Hudson Custom Chipset Sound chip : General Instrument AY-3-8910 or Yamaha YM2149 Display : 320 x 200 / 640 x 200 (8 colours)