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Last modified 2025-03-13

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Spectravideo SVI-728

A picture of Spectravideo SVI-728

SPECIFICATIONS

GENERAL
Type:8-bit home computer
CPU:Zilog Z80A @ 3.58 MHz
Operating system(s):MSX-Basic 1.0 by Microsoft
MSX-DOS and CP/M options
Memory:ROM: 32 KB (Expandable to 96 KB)
RAM: 64 KB (Expandable to 144 KB)
Power supply:9 and 16 VAC (External 36 W PSU)
Current drain / power consumption:
Dimensions (W*H*D):405*77*215 mm (15.94*3.03*8.46")
Weight:2.32 Kg (5.12 lb)




I/O
Keyboard:Integrated
Graphics: Texas Instruments TMS9929A (PAL/SECAM)
Texas Instruments TMS9918A (NTSC)
16 KB VRAM

Text:
Mode 0: 40*24 characters
Mode 1: 32*24 characters
Graphics:
Mode 2: 256*192 pixels, 16 colors
Mode 3: 64*48 pixels, 16 colors
32 sprites
Audio:3 channels, 8 octaves (AY-3-8910 chip)
Storage: Tape recorder
Optional 5.25" floppy
External I/O ports:
Audeo:   Phono/RCA
Cartridge slot:   50-pin edge connector
Expansion interface:   Male 50-pin connector (For optional floppy drive)
General purpose:   Two DE-9p /DB-9m (Joysticks and other peripherals)
Printer:   14-pin Centronics
RF out:   Phono/RCA
Tape I/O:   8-pin DIN
Video:   Phono/RCA (Composite)
Other:




MISCELLANEOUS
Manufactured:Hong Kong (By Bondwell). Designed in the USA, 1984-198x (Discontinued)
Additional info:
Related documents: User manual (4.4 MB)
Service manual (8 MB)
Sound generator: AY-3-8910
Modifications and fixes:
Notable "ham" software:
Reviews:
Options / Accessories:
SVI-101
SVI-102
SVI-106
SVI-107
SVI-206
SVI-207
SVI-208
SVI-209
SVI-707
SVI-727
SVI-737
SVI-747
SVI-757
SVI-767
Quickshot I, MSX joystick
Quickshot II, MSX joystick
Quickshot V, MSX joystick
Quickshot VII, MSX joycard
Monitor cable, RCA/Phono
Printer cable for MSX computers
Cassette cable for MSX computers
RS-232C cable
5.25" MSX disk drive. DSDD, 320 KB
80 column cartridge
MSX auto-answer modem with RS-232C interface
64 KB RAM cartridge
RS-232C interface cartridge
MSX data cassette recorder