The SVI-728 is Spectravideo's first consumer computer that fully complies with the MSX standard. It was released in May 1984. Outwardly, it was almost identical to the earlier SV-328 model, which was not fully compatible with the MSX standard.
 | |
| Spectravideo SVI-728 | |
|---|---|
| Standard version | Msx1 |
| Manufacturer | Spectravideo |
| Sold in | USA |
| Year of issue | 1984 |
| RAM | 64 kb |
| Video memory | 16 kb |
| Additionally | |
Specifications
- Processor : Zilog Z80A , clocked at 3.58 MHz
- RAM : 64KB
- Video RAM : 16KB
- ROM : 32 KB
- MSX BASIC version 1.0
- Video controller: Texas Instruments TMS9929A ( PAL / SECAM ) or TMS9918A ( NTSC )
- Text modes: 32 x 24 and 40 x 25 characters
- Graphic mode: 256 x 192 pixels, 16 colors
- Sprites : Up to 32 single-color sprites per screen
- Sound: General Instrument AY-3-8910
- Three tonal channels
- Single noise channel
- 16 volume levels for each channel
- Envelope Generator
- Keyboard : 90 keys
- Connectors:
- TV (for connection via antenna input)
- Monitor (RGB and composite video output)
- Household tape player (standard speed 2400 baud )
- Two joystick ports
- Centronics printer port
- Cartridge slot
- Extension connector (mechanically non-standard)
- Ability to connect expansion devices:
- RS-232 interface with one port
- Drive controller
Links
- Spectavideo SVI 728 - computer description on the site old-computers.com
- Spectravideo SVI-728 - specifications, photos of the exterior and interior