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Topic: IMSAI


In the News (Fri 1 Jan 10)

  
  IMSAI 8080 computer   (Site not responding. Last check: 2007-10-21)
The IMSAI was certainly the best-looking of the early micro-computers, and was sold as both a kit or already-assembled and tested.
Like all early S-100 based systems, the IMSAI is really just a large metal case with a power supply, and numerous slots to insert the expansion cards.
Some call the IMSAI the first clone of another computer system, in this case, of the MITS Altair 8800, a similar computer which was release just a few months earlier.
oldcomputers.net /imsai8080.html   (363 words)

  
 IMSAI 8080 -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-21)
The IMSAI 8080 (A small digital computer based on a microprocessor and designed to be used by one person at a time) microcomputer, manufactured by IMS Associates, Inc.
(later renamed to IMSAI Manufacturing Corp.) in 1976, was an early (additional info and facts about Intel 8080) Intel 8080, (additional info and facts about S-100 bus) S-100 bus based computer, compatible with its main competitor, the earlier (additional info and facts about MITS Altair 8800) MITS Altair 8800, by which it was inspired.
The IMSAI machine ran a highly modified version of the (additional info and facts about CP/M operating system) CP/M operating system called IMDOS.
www.absoluteastronomy.com /encyclopedia/i/im/imsai_80804.htm   (191 words)

  
 The IMSAI 8800
This allowed the Imsai to be made with the motherboard perpendicular to the front panel so that the front panel itself could be plugged into the first connector on the motherboard.
Once the Imsai cover was removed, you could see that the obvious and most impressive difference between the Altair and the Imsai was the power supply.
While Imsai never became a successful systems house as did Cromemco and others, the Imsai 8080 with its massive power supply and 22-slot chassis was a foundation for almost any 8080 or Z-80 system you could think of.
www.pc-history.org /imsai.htm   (3765 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
IMSAI employees learned to focus on what they wanted to do and then to do it; they learned that lesson well, and it intensified their performance in meeting goals and in working with co-workers and customers.
The IMSAI 8080 had a di stressingly high failure rate, and the instructions that came with the machine were written by engineers and were virtually opaque to anyone else.
IMSAI could meet payroll for another month.\par \pard \tab The July issue of {\i Interface Age }carried a column by industry watchdog Adam Osborne, who called IMSAI a "financial victim." Matthews felt she was readin g her own obituary.
www.stanford.edu /group/mmdd/SiliconValley/Freiberger-Swaine/FireInTheValley.1984.book/Chapter3.rtf   (9389 words)

  
 Encyclopedia: IMSAI
(later renamed to IMSAI Manufacturing Corp.) in 1976, was an early Intel 8080, S-100 bus based computer, compatible with its main competitor, the earlier MITS Altair 8800, by which it was inspired.
As of late 2004, there are reports of an IMSAI Series Two kit being developed, featuring a 50 MHz Zilog eZ80 CPU (see the external link, below).
An IMSAI 8080 and an acoustic coupler type modem were among the hacking tools used by the main character in the 1983 movie WarGames.
www.nationmaster.com /encyclopedia/IMSAI   (529 words)

  
 Retro Thing: The IMSAI Series Two Computer   (Site not responding. Last check: 2007-10-21)
The new IMSAI Series Two is a hybrid -- it can function as a vintage S-100 computer running the archaic CP/M operating system, but there's room for a modern Windows and Linux compatible motherboard as well.
The machines are made by Fischer-Freitas Company, formed by a couple of IMSAI employees who bought the rights to the system in the late 1970s.
IMSAI had a brief moment of movie stardom as a prop in the 1984 movie Wargames with Matthew Broderick.
www.retrothing.com /2005/08/the_imsai_serie.html   (336 words)

  
 Ramblings from Ed Roberts - April, 1976   (Site not responding. Last check: 2007-10-21)
I had been concerned that IMSAI might be another junk house like so many of the companies that have come and gone during the last year.
The IMSAI cabinet is similar to a glorified mini box folded by some local sheet metal shop, it does not have any of the standard features included in an Altair, such as the sub-chassis, dress panel, etc.
Since the IMSAI 8080 is an imitation of the Altair, I guess its easy to extrapolate that the Altair is responsible for the hypercube, but it just isn't true.
www.swtpc.com /mholley/Altair/Ramblings_from_Ed_Roberts_April_1976.htm   (1224 words)

  
 IMSAI-based S-100 computers and Documentation List
Later on, IMSAI referred to the MITS and IMSAI 100-pin bus as the S-100 bus, a term disliked by MITS management.
According to Thomas "Todd" Fischer, of Fischer-Freitas Corp. and current owner of the "IMSAI" trademark, IMSAI as a company began in January of 1975, and was designing a multiple processor system called the "Hypercube" when MITS announced their Altair 8800 late in 1974.
IMSAI was in business until October of 1979, when its assets were sold at a bankruptcy auction, and its and intellectual property and manufacturing rights were acquired by Fischer-Freitas Corporation.
retrotechnology.com /herbs_stuff/d_imsai.html   (1430 words)

  
 Harte Technologies: IMSAI Series Two
The IMSAI Series Two I/O board utilizes an SMC Super-I/O chip to provide two serial ports, a parallel port, keyboard and mouse ports, as well as floppy disk support.
The IMSAI Series Two utilizes the IMSAI EXP-9/AT backplane designed with active termination and interleaved ground planes between lines, thus allowing S-100 boards to operate at 10 MHz.
The IMSAI Series Two uses the IMSAI S2 Monitor, which is a direct descendent of the original IMSAI MPU-B 2K monitor.
www.imsai8080.com   (651 words)

  
 The Official IMSAI Web Site
Actually, that article told of an early predecessor to the IMSAI 8080 that was developed prior to the announcement of the Altair, but tentatively based on a DEC bus instead of what became known as the S-100 bus, introduced by MITS in the Altair.
Altair was first, IMSAI was better, proven by the large number of systems and kits sold, and acclaimed acceptance by users and value-added resellers alike.
Happily, all seems to be reconciled, with the unexpected result that Ed Roberts and IMSAI 8080 creator Joe Killian have "virtually" met and communicated in a polite and respectful manner for the first time ever, a direct result of my having copied e-mail communications to each during resolution of the misunderstanding.
www.imsai.net   (6201 words)

  
 IMSAI 8080 - TheBestLinks.com - Hacker, Intel 8080, Modem, TheBestLinks.com:Find or fix a stub, ...   (Site not responding. Last check: 2007-10-21)
IMSAI 8080 - TheBestLinks.com - Hacker, Intel 8080, Modem, TheBestLinks.com:Find or fix a stub,...
IMSAI 8080, Hacker, Intel 8080, Modem, TheBestLinks.com:Find or fix a stub...
(later renamed to IMSAI Manufacturing Corp.), was an early Intel 8080, S-100 bus based computer, compatible with its main competitor, the earlier MITS Altair 8800, by which it was inspired.
www.thebestlinks.com /IMSAI_8080.html   (157 words)

  
 PC History
The Imsai 8080 developed by IMS Associates, was designed to use the same bus structure as the Altair 8800 with interchangeable circuit boards.
The Imsai 8080 however was much better built, had a more powerful power supply, and front panel.
The Imsai was the first for a complete line of micros built by this company.
www.pc-history.org   (907 words)

  
 WarGames - Wikipedia, the free encyclopedia
The NORAD set was the most expensive single movie set ever built up to that time, at the staggering cost of $1 million.
In the film, a hacker (Broderick) equipped with a 1970s vintage IMSAI microcomputer and modem (connected to the telephone by an acoustic coupler), inadvertently gains access to the NORAD military artificial intelligence computer system, called WOPR¹, that controls the United States' arsenal of ICBMs.
Known hardware used in David Lightman's room are: an IMSAI 8080 computer, an IMSAI IKB-1 keyboard, an IMSAI FDC-2 dual 8" floppy drive, a 17" Electrohome monitor, and a 1200 baud Cermetek 212A modem, relabelled "IMSAI".
en.wikipedia.org /wiki/WarGames   (869 words)

  
 The "Wargames IMSAI"
The IMSAI IKB-1 keyboard is prominently featured in the publicity, poster and video packaging art with an over-the-shoulder shot of Ally Sheedy and Matthew Broderick at the keyboard watching the video monitor.
We had provided several thick binders imprinted with the famous IMSAI logos to be used as additional props, and taped a typewritten programming instruction sequence on the bottom of the IKB-1 keyboard.
An IMSAI 8080 was originally to have had a "walk-on" part in Turner Network Television's "Pirates of Silicon Valley"- a Hollywood version of Steve Jobs and Bill Gates from their hacking days to the distant present.
www.imsai.net /movies/wargames.htm   (2260 words)

  
 IMSAI 8080
The IMSAI 8080 is often considered to be the first "clone" computer.
In the end, the IMSAI was far more successful than the Altair and the company lasted longer.
And finally, the IMSAI came with a nice parallel keyboard in spite of the fact that it doesn't have a Parallel card installed.
www.vintage-computer.com /imsai8080.shtml   (375 words)

  
 A Potted History of WordStar
Rubinstein left IMSAI with $8,500 in cash to form his own company, which he called MicroPro International Inc. Rubinstein obtained a report by DataPro on the current state of word processing computers and the features offered by the software they ran (at this time word processors were based on specialist computer hardware).
IMSAI's products were not kept competitive (and Bill's marketing director and chief programmer were gone) and the company was allowed to go bankrupt.
IMSAI sued MicroPro claiming that Barnaby's work on NED belonged to them, and that WordMaster was also their property because of its similarities to NED.
www.wordstar.org /wordstar/history/history.htm   (6861 words)

  
 Imsai 8080 Computer   (Site not responding. Last check: 2007-10-21)
However, depending on the definition you choose to use, some do not consider it the 1st.
Imsai is certainly among those to be considered on the list.
I always preferred the Imsai over any other, due to the fact I wanted to build it / program it / and get right into the Nitty Gritty of studying how the software interacts with the hardware to perform the wonderous function it was capable of.
members.aol.com /e11jery23   (224 words)

  
 Software
With this feature other IMSAI software may be purchased on tape cassette and readily loaded by start­ing the computer at a specified address.
It is furnished at no charge with an IMSAI 8080 computer.
Each subassembly or pc board is described in a separate chapter contain­ing a functional description, theory of operation, photographs, assembly drawing, parts list, assembly instructions and a user guide.
rwebs.net /micros/Imsai/software.htm   (938 words)

  
 IMSAI 8080 computer   (Site not responding. Last check: 2007-10-21)
The IMSAI 8080, built by IMS Associates, Inc., is really just a large metal case with a power supply, a front panel, and twenty-two S-100 card slots.
Even so, the IMSAI 8080 looks like a professional machine, with its beautiful acrylic front panel.
The IMSAI was available fully assembled or in a kit form which must be assembled by the user.
oldcomputers.net /imsai.html   (226 words)

  
 IMSAI 8080   (Site not responding. Last check: 2007-10-21)
The IMSAI 8080 was a clone of the Altair 8800.
It was a much better design, with a higher specification power supply, an anodized aluminum chassis, 22 slots, and a great front panel design.
IMSAI built a heavy duty machine, and their early ads shared that no-nonsense philosophy.
www.computercloset.org /IMSAI8080.htm   (167 words)

  
 Peter's IMSAI Page   (Site not responding. Last check: 2007-10-21)
I worked for IMSAI Corp. for a while in 1977.
IMSAI used the 8048 in a couple of products, one of which was an "intelligent keyboard" which could be programmed to play tones from its speaker and to communicate with a computer in various modes.
One of these keyboards was used on the IMSAI used in WarGames, to generate all the strange "modem" and keyclick sounds.
www.sonic.net /~peterbe/imsai   (220 words)

  
 OLD-COMPUTERS.COM : The Museum
The computer they designed, the IMSAI 8080, was very similar to the Altair 8800 and was designed to run the same software.
Like the Altair, the IMSAI came either in kit form, or preassembled at the factory.
In the end, the IMSAI outlasted the Altair by several years.
www.old-computers.com /museum/computer.asp?st=1&c=389   (328 words)

  
 IMSAI 8080   (Site not responding. Last check: 2007-10-21)
However, it was a much better design, with a higher specification power supply, an anodized aluminum chassis, 22 slots on the S-100 bus, and a great front panel design.
, the IMSAI came either in kit form, or preassembled at the factory.
At the production starting, the IMSAI was shipped deliberately missing many parts in the kit version, because the company hadn't received them yet.
home1.gte.net /vze1re4o/imsai_8080.html   (300 words)

  
 The Foolish Things We Do With Our Computers LG #72
This had been a one-man shop (I was #2), and he built Imsai computers for customers who didn't want a kit.
He had reached for a pair of needle-nosed pliers, and the end of the pliers had become impaled in a steel wool pad that he used for cleaning the tip of his soldering iron.
The steel wool pad became airborne and landed in the backplane of the Imsai, setting off a fireworks display.
www.linuxgazette.com /issue72/orr.html   (1524 words)

  
 IMSAI 8080
Think of the Imsai as the Altair's better looking and more popular younger cousin.
The IMSAI found a nitch with computer hobbyists that actually wanted a computer that worked.
Click here to view all comments for the IMSAI 8080 and to leave your own.
www.obsoletecomputermuseum.org /imsai   (753 words)

  
 Retro Thing
IMSAI was the second "big" personal computer manufacturer in the late 1970s.
The IMSAI Series Two Mini Drive Subsystem is a retro-styled case to house floppy, CD-ROM/RW and DVD-ROM/RW drives.
I know the idea of adding DVD compatibility to a 1970s-vintage C/PM system sounds a bit whacky, but don't forget there's room for a seriously modern PC-compatible ATX motherboard behind all those switches and lights.
www.retrothing.com   (1383 words)

  
 [No title]
Rob took one of those video boards and since he felt the video card was broken, (in reverse video the rectangular character region would switch from fl to white but the border would stay fl) he hacked the hardware and we all liked it so much it became an official engineering change.
IMSAI sorta wound down and went the way of all flesh and I lost touch with most of the players.
Getting back to WordStar, if you look the command set carefully you'll notice that the commands are clustered and arranged so that a person with short fingers could keep their fingers on the home row, push control with one of your pinkies and issue most of the useful commands.
neil.franklin.ch /Usenet/alt.folklore.computers/19981211_TECO_and_WordStar   (4221 words)

  
 [RLUG] FW: Vintage Computer Festival 6.0 Update
Get more information here: http://www.friendspaloaltolib.org/booksale.htm -=[ IMSAI Series Two to be Debuted ]=- Tom Fischer of IMSAI will debut the IMSAI Series Two, a modern-day reincarnation of the venerable IMSAI 8080 computer.
IMSAI will be exhibiting the new IMSAI products, including a brand new Super I/O S-100 board (Serial, Parallel, IDE and much more!) in the main hall.
More information on the IMSAI Series Two can be found here: http://www.imsai.net/products/imsai_series_two.htm -=[ VCF 6.0 Speaker Schedule ]=- We always assemble the most eccelectic bunch of computer history experts and storytellers to entertain you during the morning hours of the event.
www.mail-archive.com /rlug@rlug.org/msg00865.html   (1507 words)

  
 S-100 Bus List   (Site not responding. Last check: 2007-10-21)
Various manufacturers used slight variations of the IMSAI S-100 bus; even MITS varied their bus for later Altair models.
Note that some of the interrupt lines are different from their use on the IMSAI.
Most of the other lines appear to be similar to the IMSAI (shown here as IMS) except for the absence of front panel signals.
retrotechnology.com /herbs_stuff/s100bus.html   (957 words)

  
 IMSAI8080-1975   (Site not responding. Last check: 2007-10-21)
The IMSAI 8080 was available in December 1975 from IMS Associates, Inc., of San Leandro, California.
The IMSAI used the Intel 8080A processor and the S-100 bus.
The IMSAI 8080 came in a heavy gauge aluminum cabinet with a lucite display panel, front switches, LED indicators, and a 24 amp, 8 volt power supply.
is.lse.ac.uk /History/IMSAI8080-1975.htm   (132 words)

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