Spectravideo SVI-328 Mk II

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The SVI-328 is an eight-bit personal computer released by Spectravideo in June 1983. It was similar to the previously released SVI-318 with the RAM increased to 80KB (16KB reserved for video) and a full-travel keyboard with numeric pad. The MSX standard that many later machines were designed for, was based on the SVI-328.


  • Processor: Zilog Z80A running at 3.6MHz
  • ROM: 32KB (16KB each for BIOS and BASIC)
  • RAM: 64KB
  • Video Display Processor: Texas Instruments TMS9918
  • VRAM: 16KB
  • Text modes: 40×24 and 32×24
  • Resolution: 256×192 (16 colours)
  • Sprites: 32, 1 colour, max 4 per horizontal line
  • Sound chip: General Instrument AY-3-8910 (PSG)
  • Programmable Peripheral Interface: Intel 8255

Manufacturer: Spectravideo
Date: June 1983

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This exhibit has a reference ID of CH39936. Please quote this reference ID in any communication with the Centre for Computing History.


Spectravideo SVI-328 Mk II

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