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Spectravideo SV-728
MSX
The first MSX computer from
Spectravideo. The design is very close to the SV-328.
|
NAME |
SVI-728 |
|
MANUFACTURER |
Spectravideo |
|
TYPE |
Home Computer |
|
ORIGIN |
Hong Kong |
|
YEAR |
1984 |
|
BUILT IN LANGUAGE |
MSX Basic (Microsoft Extended) |
|
KEYBOARD |
Full stroke
keyboard with numeric keypad |
|
CPU |
Zilog Z80 A |
|
SPEED |
3.6 MHz |
|
RAM |
64 kB (up to 256
kB) |
|
VRAM |
16 kB |
|
ROM |
32 kB |
|
GRAPHICS |
TMS9918A |
|
TEXT MODES |
40 chars x 24 lines
(optional 80 x 24) |
|
GRAPHIC MODES |
256 x 192 dots |
|
COLORS |
16 |
|
SOUND CHIP |
AY-3-8910 |
|
SOUND |
Three channels, 8
octaves |
|
I/O PORTS |
Audio/Video, Tape,
Joystick (2), Cartridge, Super Expander |
|
BUILT IN MEDIA |
None |
|
POWER SUPPLY |
External power
supply. 9V AC & 16V AC out |
|
PERIPHERALS |
SVI-102M Quickshot
II MSX Joystick, SVI-105M Sensor touch Graphic Tablet, SVI-107M
Quickshot VII MSX, joycard , SVI-109M Quickshot IX MSX, joyball,
SVI-2000C Cartridge for controlling the SVI-2000 Robotarm,
SVI-609 LAN adapter, SVI-707 External Diskdrive (5.25", double
sided, double density, 40 tracls), SVI-709 Network card, for the
Spectravideo network, SVI-727 80 columns interface, SVI-747 64KB
RAM extension, SVI-757 RS-232 Interface, SVI-767 Data Cassette,
SVI-787 External Diskdrive (3.5", single-sided, double density,
80 tracks), SVI-808 Modem,
SVI-777 String Floppy Drive |
|
PRICE |
3600NOK (from
Norwegian importer Computer Standard pricelist, dated May 15th
1985) |
 
Spectravideo SV-728 and
cassette player.
The SV-728 was the first fully MSX compatible computer from
Spectravideo.
I never got the SV-728. After I sold my SV-328 i moved
on to the Atari ST series.
Inside the SV-728
The SV-728 mainboard is a complete rework compared to the
SV-328 and SV-328 MKII.
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