I have the main unit (usa), one power adapter (usa) and one tape drives SV-904.
type computer
country USA
year 1984
os SV Microsoft Basic 1.1
cpu Zilog Z80 a
speed 3.6 MHz
ram 80 KB
vram 16 KB
rom 32 KB
graphic 256 x 192
colors 16
sound 3 channels, 8 octaves
ports centronics, rs232c, rgb, tape, joystick (2), cartridge