| 词条 | MBC-550 |
| 释义 |
| name = MBC-55x | title = | aka = | logo = | image = File:Sanyo MBC-550 demo image.jpg| | caption = Original Sanyo MBC-550 demo written in BASIC at 27-9-1983. See full sourcecode of the demo [https://web.archive.org/web/20090108133830/http://www.companje.nl/projects/Sanyo/Sanyo-Basic-DEMO-27-9-1983.html] | developer = Sanyo | manufacturer = | family = | type = Personal Computer | generation = | releasedate = {{Start date|1982}} | lifespan = 6 Years | price = <$1000 | discontinued = 1988 | unitssold = 10,000+ | unitsshipped = | media = | os = MS-DOS | power = U.S.A. 120V | soc = | cpu = Intel 8088 at 3.58MHz | memory = 128KB | storage = | memory card = | display = RGB Color Monitor CRT 70 | graphics = RGB graphics adapter | sound = | input = keyboard | controllers = | camera = | touchpad = | connectivity = 1 parallel port | platform = | service = | dimensions = 380 x 112 x 360 mm | weight = | topgame = | compatibility= | predecessor = | successor = | related = }} The MBC-550 was a small and inexpensive personal computer in "pizza-box" style, featuring an Intel 8088 microprocessor and running a version of MS-DOS. It was the lowest-cost of the early IBM PC compatibles[1] and was produced by Sanyo. It had much better video display possibilities than the average CGA card (8 colors at 640x200 resolution, vs CGA's 4 colors at 320x200 or 2 colors at 640x200), but it was not completely compatible with the IBM-PC. It lacked a standard BIOS, having only a minimal bootloader in ROM that accessed hardware directly to load a RAM-based BIOS.[2] The (FM rather than MFM) diskette format used was not completely compatible with the IBM PC, but special software on an original PC or PC/XT (but not PC/AT) could read and write the diskettes, and software expecting a standard 18.2 Hz clock interrupt had to be rewritten. The MBC-550 was also the computer of choice for NRI training. Starting by building the computer, the NRI promised you would be "qualified to service and repair virtually every major brand of computer".[3] They advertised in Popular Mechanics and Popular Science throughout 1985.[4] By August 1985 InfoWorld reported that Sanyo "has initiated a campaign to sell off" its MBC-550 inventory. The company's newer computers were, an executive claimed, 99% PC compatible.[5] Models[6]
References1. ^{{cite journal |url=http://www.atarimagazines.com/creative/v10n9/12_Sanyo_555_small_business.php |title=Sanyo 555 Small Business Computers |author=Jon Geist |publisher=Creative Computing |volume=10 |issue=9 |date=September 1984| pages=12}} {{compu-eng-stub}}2. ^{{cite web|url=http://www.seasip.info/VintagePC/sanyo.html|title=The Sanyo MBC550|author=John Elliott|first=|date=2006-04-30|website=|archive-url=|archive-date=|dead-url=|accessdate=2017-11-09}} 3. ^{{cite journal|last1=Corporation|first1=Bonnier|title=Popular Science|date=1 March 1985|volume=226|issue=3|url=https://books.google.com/books?id=rgAAAAAAMBAJ&pg=PA35&lpg=PA35&dq=sanyo+mbc+550&source=bl&ots=5hfehhCmCH&sig=L7aYJP43fgfZLgl88zTa3kbxgRg&hl=en&sa=X&ved=0ahUKEwjk35Dci4_OAhVBMGMKHeGNAH84FBDoAQgpMAI#v=onepage&q=sanyo%20mbc%20550&f=false|accessdate=25 July 2016|publisher=Bonnier Corporation|language=en}} 4. ^{{cite journal|last1=Magazines|first1=Hearst|title=Popular Mechanics|date=1 February 1985|url=https://books.google.com/books?id=ZOQDAAAAMBAJ&pg=PA17&lpg=PA17&dq=sanyo+mbc+550&source=bl&ots=5-rSCxZZAl&sig=nsxRvyx38h9ziwJZxYaFaJYvI1Q&hl=en&sa=X&ved=0ahUKEwiutInsi4_OAhVW-mMKHeeCB-c4HhDoAQgsMAQ#v=onepage&q=sanyo%20mbc%20550&f=false|accessdate=25 July 2016|publisher=Hearst Magazines|language=en}} 5. ^{{cite news | url=https://books.google.com/books?id=_y4EAAAAMBAJ&lpg=PA28&ots=etp7pGJrkx&pg=PA28#v=onepage&f=false | title=Sanyo Clears Deck of 550s | work=InfoWorld | date=1985-08-26 | accessdate=5 January 2015 | author=Bannister, Hank | pages=28}} 6. ^{{cite web|title=OLD-COMPUTERS.COM : The Museum|url=http://www.old-computers.com/museum/computer.asp?c=473|website=www.old-computers.com|accessdate=25 July 2016}} 2 : Sanyo products|IBM PC compatibles |
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