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website/content/museum/spectravideo-sv-328.md
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---
title: Spectravideo SV 328
categories:
- Computers
types:
- Home Computer
origins:
- U.S.A.
years:
- '1983'
cpus:
- Zilog Z80 A
params:
name: SV 328
image: /media/museum/photos/spectravideo_sv-328_1.jpg
company: /companies/spectravideo
company_name: Spectravideo
specs:
- label: NAME
value: SV 328
- label: MANUFACTURER
value: Spectravideo
- label: TYPE
value: Home Computer
- label: ORIGIN
value: U.S.A.
- label: YEAR
value: '1983'
- label: BUILT IN LANGUAGE
value: Microsoft BASIC interpreter
- label: KEYBOARD
value: Full-stroke keyboard with numeric keypad
- label: CPU
value: Zilog Z80 A
- label: SPEED
value: 3.6 MHz
- label: RAM
value: 64 KB (up to 256 KB)
- label: VRAM
value: 16 KB
- label: ROM
value: 32 KB
- label: TEXT MODES
value: 40 chars x 24 lines (optional 80 x 24)
- label: GRAPHIC MODES
value: 256 x 192 dots
- label: COLORS
value: '16'
- label: SOUND
value: Three channels, 8 octaves
- label: I/O PORTS
value: Centronics, RS232c, RGB, Tape (1800 bauds); Joystick (2), Cartridge
- label: BUILT IN MEDIA
value: None
- label: POWER SUPPLY
value: Built-in power supply unit
- label: PERIPHERALS
value: SVI-904 Data Cassette, SV-605B expansion box, Graphics Tablet, 80 columns card, modem and RS232 interfaces
- label: PRICE
value: 24.995 BF (Belgium, 1984)
tabs:
- photos
- adverts
- hardware
- emulators
- links
photos:
- title: SVI-328
subtitle: ''
text: 80k RAM = 64k RAM + 16k Video RAM (VRAM)
image: /media/museum/photos/spectravideo_sv-328_2.jpg
- title: 'SVI-328 #2'
subtitle: ''
text: courtesy **www.zonadepruebas.com**
image: /media/museum/photos/spectravideo_svi328_topview_1.jpg
- title: REAR SIDE
subtitle: ''
text: courtesy **www.zonadepruebas.com**
image: /media/museum/photos/spectravideo_svi328_rearview_1.jpg
- title: BOTTOM SIDE
subtitle: ''
text: courtesy **www.zonadepruebas.com**
image: /media/museum/photos/spectravideo_svi328_bottomview_1.jpg
- title: INSIDE
subtitle: ''
text: courtesy **www.zonadepruebas.com**
image: /media/museum/photos/spectravideo_svi328_inside_1.jpg
- title: USER MANUAL
subtitle: ''
text: courtesy **www.zonadepruebas.com**
image: /media/museum/photos/spectravideo_svi328_usermanual_1.jpg
adverts:
- title: SV-318/328 ADVERT (FEB. 1984)
subtitle: ''
text: from New-Zealand Bits & Bytes magazine.
image: null
hardware:
- title: SVI-777
subtitle: External disk-drive
text: ''
image: /media/museum/hardware/spectravideo_svi777-diskdrive_1.jpg
- title: SVI-904
subtitle: Tape recorder
text: Courtesy **www.zonadepruebas.com**
image: /media/museum/hardware/spectravideo_svi328_904taperecorder_1.jpg
emulators:
- title: SVI-318 / SVI-328 emulator
url: http://www.acc.umu.se/~yarin/sviemu/
platform: MS DOS
text: ''
- title: blueMSX
url: HTTP://WWW.BLUEMSX.COM
platform: Windows
text: Excellent free MSX emulator that can reproduce MSX, MSX2, MSX2+, and Turbo-R. The emulator also supports the SVI318/328, and ColecoVision systems !
links:
- title: Roger's Spectravideo page
url: http://www.samdal.com/spectravideo.htm
text: The best site about Spectravideo. You want to go there !
comments:
- author: Giacomo (Italia)
date: Wednesday 8th January 2020
text: How much did it cost when it was released?
- author: David Otter (New Zealand)
date: Tuesday 20th September 2016
text: SVI-609 (SVI-605 with 10MB harddisk),
- author: LS120 (New Zealand)
date: Monday 19th September 2016
text: |-
I have a large amount of SVi $ 738 Info, software $ games..
also have 318,328 mk2, 738 that i am upgrading to msx2 (easy)
have alot of game manuals also if needed..
- author: Roger Jowett (Ulster Londonderry)
date: Saturday 6th April 2013
text: |-
http://www.youtube.com/watch?v$zsjTpFR0oYQ
please help we have zx spectrum 48k and one 128k program running at 6mhz using external ram and snapper discs from velesoft site
- author: Claus (Sweden)
date: Thursday 9th August 2012
text: 'HI. Anyone can supply me with a Scanned manual of TELEBUNNY, it was a game for Spectravideo at tape, I was also released at MSX as rom cartrigde. I need the manual for the game, I actually converted/ported the game to Memotech MTX :) mail me please: cbpwr@hotmail.com'
- author: Vincent (Belgium)
date: Thursday 5th May 2011
text: |-
You mention that the SV-328 was the successor of the SV-318 and this is NOT true. Both models were sold at the same time, the 328 being sold as a higher class model than the 318 (more RAM, better keyboard ...).
FYI, I bought my 328 in June 1984 for the price of 24.995 BEF (620€).
- author: Vincent (Belgium)
date: Wednesday 4th May 2011
text: At the end of 1983, I was looking to buy my first home computer. I read almost every magazine there was to make my choice. Spectravideo ran ads in several french magazines saying that their computers were MSX compatible, and I fell for it. I bought a SV-328 and quickly understood that they were not MSX compatible. Several months later, I managed to strike a deal with the belgian importer (who had nothing to do with the ads in the french magazines) to exchange it for a true MSX ...
- author: Tony Cruise (Australia)
date: Monday 11th April 2011
text: Definitely only had floppy drives available from Spectravideo themselves. I fired mine up again for the 1st time in many years and it is still working (the 328 MKII, the expansion units lights come on and the drives spin but no boot sequence or seek).
- author: Z80user (Spain)
date: Tuesday 24th August 2010
text: 601B superexpander no have space inside to $ a big hard disk. I have one, only hace a floppy disk drive, centronis interface and 6 expansion slot. transformer and big motherboard, but no all have a hard drive drive, and less a hard drive.
- author: Jose Luis (Spain)
date: Friday 3rd July 2009
text: This was my first computer, MkII model with RF-mod, a color tv, cassete (very good functionality) and some catridge games. Later I added the expansion unit seen on image, a 80 column card and a monochrome monitor, I used it for basic $ cobol pratice. Unfortunately had to sell it to buy the newest Atari 520ST :(
- author: Colossus (Spain)
date: Friday 26th September 2003
text: |-
Hi!
You only mention the "SVI-777" disk drive, in peripherals section.
I've recently purchased an SV-328, and it came with a "SVI-904 Data Cassette" (wich works perfectly with it).
First Edition date in the manual is 1983, Hong Kong. Copyright is 1984 Spectravideo International Limited.
This unit looks very similar to the "SVI-767" shown in your SVI-728 page.
Hope this proved to be of any interest...
Regards.
related:
- /museum/spectravideo-sv-318
oc_id: 228
source:
url: https://web.archive.org/web/20230601080728/http://www.old-computers.com/museum/computer.asp?c=228
date: '2023-06-01'
---
The Spectravideo SV 328 was the ancestor of the Spectravideo [MSX SV-728](/museum/spectravideo-svi-728/) (it had the same case and almost all its features) and the successor of the [SV-318](/museum/spectravideo-sv-318/).
This computer wasn't a [MSX](/museum/msx-1/) machine, even though its hardware design was almost the same as MSX computers. Its Microsoft Extended Basic was also close to the MSX Basic but not fully compatible. The cartridge slot couldn't use MSX cartridges. However, Coleco cartridges could run thanks to an optional card.
The SV-328 ran CP/M 2.2 or 3.0 when connected to the 5.25" 360 KB floppy drive unit. Several well known CP/M software were adapted to the SV328; i.e. dBase II and WordStar.
Several expansion devices were developed for this computer. Among them, the SV-605B expansion box which offered a 10 MB hard disk, two 5.25" DSDD floppy drives, one Centronics port and six expansion slots.\
Some other peripherals were released: Graphic Tablet, 80-column card, 1200/75 modem card, RS232 interface.
---
More information from **Taneli Lukka** (Finland):\
There were two different versions of this computer. They could be identified by a very small red MK II-logo beside the SVI-328 logo on top of the machine. The older MK I version had no built in RF-modulator, it was a separate box that you had to connect to a DIN-socket on the back of the machine.\
The MK II model had the modulator built in and it also had RCA-jacks for composite video and sound output. A much simplified motherboard consisting of three small PCB's joined together by many cables was introduced to cut costs and the PCB quality was generally worse than on MK I machines.\
The older SVI-318 also got a similar treatment, but I don't know anything about the details. All I know is that its MK II version was quite rare in most countries because it was introduced when the machine was already pretty dead.
**Jules Allen** memories:\
The keyboards on these things were terrible! The action was like typing on a sponge. My guess is they had the same underpinnings as the 318 (equally bad) but with plastic keycaps on top.\
Rather than being a successor to the 318 it was positioned as a higher end machine. They were produced prior to MSX standard and MSX software wouldn't run on it. The machine looks a lot like the 318 without the expansion box that you have pictured here.
Spectravideo in Australia by **Mark Dodd**:\
The Spectravideo User Group Of Australia ran for many years and the SV318 and SV328 were very popular with hobbyists and professionals alike.\
Unfortunately some resellers advertised and sold the machine as MSX compatible or upgradeable.\
I appeared as an expert witness in several consumer complaint cases where the machine had to be replaced, free of charge, for the later MSX compliant models.\
When MSX took of the User Group supported bith the older SV models and all MSX machines form different manufacturers.\
Contrary to other postings, I loved the keyboard on these PCs!!
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