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- Xref: sparky comp.unix.bsd:10487 comp.sys.3b1:4096
- Newsgroups: comp.unix.bsd,comp.sys.3b1
- Path: sparky!uunet!nwnexus!frank
- From: frank@halcyon.com (Frank Higgins)
- Subject: Re: Need help with AT&T UNIX PC and DOS
- Message-ID: <1992Dec21.023709.2910@nwnexus.WA.COM>
- Sender: sso@nwnexus.WA.COM (System Security Officer)
- Organization: The 23:00 News and Mail Service
- References: <1992Dec18.162224.1@evax12.eng.fsu.edu> <1h18ilINNs4i@usenet.INS.CWRU.Edu>
- Date: Mon, 21 Dec 1992 02:37:09 GMT
- Lines: 40
-
- In article <1h18ilINNs4i@usenet.INS.CWRU.Edu> ptd2@po.CWRU.Edu (Palmer T. Davis) writes:
- >
- >In a previous article, tsai@evax12.eng.fsu.edu () says:
- >>
- >> We have several AT&T UNIX PCs (PC7300) in our lab. They have been
- >>rarely used. Recently, the chairperson wants them to run DOS and DOS
- >>applications such as MATLAB. Is anyone familier with the way to make it
- >>work ? Any help or advice is greatly appreciated.
- >
- >(First of all, comp.unix.bsd is the wrong group for this question;
- >it really belongs in comp.sys.3b1, to which I'm redirecting followups.)
- >The 7300 and 3b1 are based on the 68010, not the 8086 family. There
- >is a coprocessor board that was available (called DOS-73); if you don't
- >have this board installed, you simply can't run DOS at all. With the
- >coprocessor board installed, the machine works more or less like a
- >512K IBM XT with a monochrome display adapter, but DOS software has to
- >be reasonably well-behaved to work. (And you can simultaneously run
- >UNIX software in other windows, a feature notably lacking on most XT
- >clones....)
- >
- >-- PTD --
- ><ptd2@po.cwru.edu> \X/ cthread. cthread_fork(). Fork, thread, fork!
-
- Underline "reasonably well behaved". There are debates about how much DOS
- software the DOS board will actually run, but at the time I paid full
- price for one of the things in the heyday of the 3B1 (pre 286, 386, 486), I
- determined that there was darned little *preferred* software that would run
- on it. An AT&T tech and I finally put a number to it and said that it was
- about 50% compatible with the then existing DOS software. Later software
- has become more elaborate, sophisticated and less likely to run on the DOS
- board. What it does, it does well. What it doesn't is horrid.
-
- Frank
-
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