7 Manufacturer: Sharp Corporation Released: 1982 OS: CP/M CPU: 8-bit Sharp Z80A @ 4 MHz RAM: 64 KB / VRAM: 4 to 48 KB ROM: 6 KB Graphics: Custom Sharp/Hudson chipset Resolution: 320×200 or 640×200 pixels, 8 colors Sound: General Instrument AY-3-8910 or Yamaha YM2149