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Thread: Pc-mos/386

  1. #1
    Join Date
    Sep 2006
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    South Florida
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    1,640

    Default Pc-mos/386

    Anyone ever play with PC-MOS in the early 90's?
    I worked at a VAR that was authorized for it, and we installed quite a few of those for MultiUSer DOS setup, especially for Revelation apps, and for RealWorld and Synchronics DOS accounting apps.

    I have a few versions, even 5.01, which was near the end for The Software Link, the developer. I think I have a version on a 1.44Mb 3.5" FD, as well.

    Anyone know the status? They've been out of business for years...

    It WAS a very cool MultiUser DOS-compatible system... and it could co-reside on a disk alongside regular DOS. I remember pushing the Remote Access BBS developers to allow for compatibility with it, and they DID add it..this was around '90-'93 or so....

    I have the tech manuals, the sofware manuals, the internal-use-only tech manual, etc...


    Tony

  2. #2

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    I really liked PC-MOS and used it on my first 386, allowing me to drive a couple of dumb terminals...

    I'm thinking that it might be useful for a current project, but I'm concerned about overcoming HDD size limitations and lack of support for 3.5" FDs.

    I have several copies, mostly 5-user, I think there is one 25-user in the bunch, but all I have is the installation/user's guide, so I don't know if I've got enough info to overcome the issues mentioned above.

    It's too bad they are not still around, as this would make a nice, compact, ROMable OS.

    For this task, I need to have three tasks running, to emulate 3 individual Intel 8085 processors, as well as a dumb terminal to act as a kind of Monitor program (watch instruction execution and allow insertion of comments in the code). Additionally, I need to run some specific serial peripherals: a 128-key matrix keyboard, a 2x20 LCD Display and a receipt/journal/slip printer. The peripherals need to run in one of the tasks only.

    I'm also looking at a product called VMIX which is a DOS extension. It has more peripheral support, but I would sure like to use this PC-MOS once more, just for "old times" sake...

  3. #3
    Join Date
    May 2006
    Location
    Hamilton, Ontario, Canada
    Posts
    3,796

    Default

    Yup,

    Used it, sold it and even have an old AT Gizmo card (from the 286 redition) sitting right here in a box of stuff that's going on my site.

    Considering the technology of the time, it was a pretty slick system.
    Legacy Computers and Parts

    Sales of, parts for, and repairs to, Vintage and Legacy computers.

  4. #4

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    I sent about a dozen of those gizmo cards to the tech recycler a year or so ago--every single one of them had developed a problem.

    I even had one that I pulled out of one operating machine and put it into another to test the other, and the card went out. Flaky hardware after a while, I guess.

    But yes, a pretty slick system once it's all configured...We inherited this stuff from a friend of ours that got out of the software business. He had used PC-MOS back in the day for medical office software he was selling. He also used it for an MLS style property database for a brief time in the late 80s.

  5. #5

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    I just found this thread today while searching the web for "PC-MOS" I've resurrected my old 386 PC with 2MB of RAM, Dual booting 60MB HDD that has 31MB going to DOS 3.30 and 32MB going to PC-MOS 4.0 PC-MOS is already setup for 3 users (including the console) and 1 Serial Printer. Amazingly this computer still works fine, so I just replaced the power supply fan, which was starting to whine, and added a new computer clock battery. Now I'm thinking about upgrading the monochrome monitor to an EGA monitor I have laying about. I'll have to get an old EGA card. I don't know if it's hard to find drivers for it. This same computer uses the Stargate 8 serial port addon. The one terminal that I have that connects to it, is a Link PCTerm. It still works good too, but the up arrow on the keyboard is a little iffy.

    I used to use this setup to test a mulituser Clipper/dbase application I sold back in the 80's-90's to paging companies (remember them?) Anyhoo, now its just an antique curiosity, but I'm having fun with it!

  6. #6
    Join Date
    Apr 2003
    Location
    Saginaw, MI, USA 48601
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    Default

    I've got a couple of 'extra' EGA cards. Pm if ya want one.

    --T
    Teach your children how to think, not what, and hold 'em close, not tight.
    _____________________________________________

    Please visit the Vintage-Computer Wiki. Contributers welcome.

  7. #7

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    pm sent!

  8. #8

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    I still think PC-MOS is dynamite...of course, I get excited any time I see a dumb terminal running off a PC.

    I think we've decided to adopt SCO unix for the application I mentioned above, so I'll put PC-MOS back on the shelf and wait for a good time to dust it off again...
    Windows: worst operating system in the world, almost two decades running!

  9. #9

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    I got a picture today. I had to disable the autoexec.bat which sets up all the work spaces to keep the screen from whizzing away.


  10. #10

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    I swear that brings a tear to my eyes...

    Isn't it amazing how much we could do with (comparatively) so little hardware? Today a gigahertz pentium running XP can barely keep one person working!

    I one time I had a couple of long tables with the computer, four terminals and a couple of printers set up. This was years ago, of course...it was nifty to show off when people stopped by the house...
    Windows: worst operating system in the world, almost two decades running!

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