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Thread: Option 370 for AT

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  1. #1
    Join Date
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    Default Option 370 for AT

    Trying to see who else has the rare and elusive Option 370 for AT. I haven't yet installed mine, nor have I opened the software, which is still sealed. I'm not sure if it comes with a control/monitor program, so I can run my own OS (I was thinking of installing MUSIC/SP, which is currently public domain).
    IBM Computers: 5150 (16-64K, 64-256K), 5160, 5161, 5162, 5170 (regular and Tempest), Option 370 16 bit, PC Convertible
    PS/2 Machines: 30, 40SX, 50Z, 55SX, 60, 70, 77 (Lacuna & Bermuda), 80, 85, 90 XP, 95, "E"
    Vintage ThinkPads: 300, 360C/CE, 510CS, 560/E, 600E/X, 701C/CS, 700, 720C, 730TE (tablet), 750C/P (color and tablet models), 755C/CE/CD/CDV/CX, 760ED, 765L, 770
    Vintage UNIX workstations: 2/120, 3/75, 3/60, SS 2/5/20, U2 Ent, HP 715/100, several RS/6000s

  2. #2
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    Default

    There was a customized version of VM/CMS that works with it, called VM/PC.
    Good luck getting any other version of software running if it doesn't know about the way the AT-370's I/O works through the PC.

  3. #3
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    Default

    Well despite being called Music/SP the free version is configured for ESA mode so it has no chance of running un-modified on an AT/370. I suspect that the P370 control program which you can download from

    http://www.bitsavers.org/bits/IBM/VM_PC/

    only supports the diagnose functions CMS uses for disk IO rather than StartIO which most IBM operating systems use...
    .. you will also find more info ...

    http://vm.marist.edu/~vmshare/
    Dave
    G4UGM

    Looking for Analog Computers, Drum Plotters, and Graphics Terminals

  4. #4
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    Default

    Would MTS run?

  5. #5
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    Default

    Quote Originally Posted by MrArgent View Post
    Would MTS run?
    Even more unlikely IMHO. The current "easy run code" is also ESA only The 360 version only ran on a 360/67. It should be possible to build a pure 370 version but I that needs DAT and I have no idea if the AT/370 has DAT (virtual memory). CMS is a very simple operating system. Its single user, real memory only. No shared disk. Single threaded. Of course that doesn't matter because because CP(aka VM) creates lots of virtual 370's and deals with all the mess....

    ... actually reading the docs I say it says "SIO is not supported" so you can't run a "real" OS only the CMS provided with the machine...

    ... you might do well asking on the Hercules/390 list. There are a few folks on there that used to have S/390 machines.
    Dave
    G4UGM

    Looking for Analog Computers, Drum Plotters, and Graphics Terminals

  6. #6
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    Default

    I recall seeing in an IBM sales brochure for the Option 370 that it was capable of using the hard drive for virtual memory, but I don't remember how much was able to be allocated.
    IBM Computers: 5150 (16-64K, 64-256K), 5160, 5161, 5162, 5170 (regular and Tempest), Option 370 16 bit, PC Convertible
    PS/2 Machines: 30, 40SX, 50Z, 55SX, 60, 70, 77 (Lacuna & Bermuda), 80, 85, 90 XP, 95, "E"
    Vintage ThinkPads: 300, 360C/CE, 510CS, 560/E, 600E/X, 701C/CS, 700, 720C, 730TE (tablet), 750C/P (color and tablet models), 755C/CE/CD/CDV/CX, 760ED, 765L, 770
    Vintage UNIX workstations: 2/120, 3/75, 3/60, SS 2/5/20, U2 Ent, HP 715/100, several RS/6000s

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