7 Manufacturer : Spectravideo International Year of Release : 1983 OS : Microsoft Extended BASIC, CP/M CPU : Zilog Z80A @ 3.58 MHz ROM: 32KB (16 KB BIOS / 16 KB BASIC) RAM : 16KB (SV-318) and 64Kb (SV-328) / VRAM : 16KB Video : Texas Instruments TMS9918 Resolution : 256×192, 16 colors Sound : General Instrument AY-3-8910 (PSG) Media : ROM Cartridge, Cassette tape