Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!comp.vuw.ac.nz!virtue!hamish
From: hamish@waikato.ac.nz
Newsgroups: comp.sys.amiga
Subject: Re: AMIX Release Date?
Message-ID: <595.26615485@waikato.ac.nz>
Date: 28 May 90 04:40:37 GMT
References: <1612@lpami.wimsey.bc.ca> <568.265bae49@waikato.ac.nz> <11786@cbmvax.commodore.com>
Organization: University of Waikato, Hamilton, New Zealand
Lines: 41

In article <11786@cbmvax.commodore.com>, valentin@cbmvax.commodore.com (Valentin Pepelea) writes:
> In article <568.265bae49@waikato.ac.nz> hamish@waikato.ac.nz writes:
>>
>>> You would need, at the very least, a 68020 and MMU, or a 68030.
>>                                       ^^^^^^^^^^^^^
>> A 68010 and 68451 MMU will run Unix. Only trouble is the 451 isn't very 
>> compatible with the 851. However an 851 can be hooked up to a 68010, by
>> faking the co-processor connection with moves to the cpu space, by fiddling
>> the alternate address space registers.
> 
> Actually, a 68020 is necessary because many instructions that the UNIX
> operating system is using are available only on 68020+ processors. Admittedly,
> a special version could be compiled that used only 68010 instructions, but
> that would not be worth it. Speed-wise, the Release 4 kernel feels comfortable
> on the 68030, providing it with a 68010 would result in rather shameful
> performances.
> 
> Valentin
> -- 
> The Goddess of democracy? "The tyrants     Name:    Valentin Pepelea
> may distroy a statue,  but they cannot     Phone:   (215) 431-9327
> kill a god."                               UseNet:  cbmvax!valentin@uunet.uu.net
>              - Ancient Chinese Proverb     Claimer: I not Commodore spokesman be
--

Maybe you haven't seen a sun-2 workstation? They used a 68010 processor and
they ran unix. What you say here is that Unix won't run on anything but a 
68020, 68030 and later a 68040. What about all those Unix versions that run
on processors like 80386, SPARC, MIPS, VAX 11-780, ..........

 
==============================================================================
|  Hamish Marson                        |  Internet  hamish@waikato.ac.nz    |
|  Computer Support Person              |  Phone  (071)562889 xt 8181        |
|  Computer Science Department          |  Amiga 3000 for ME!                |
|  University of Waikato                |                                    |
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|Disclaimer:  Anything said in this message is the personal opinion of the   |
|             finger hitting the keyboard & doesn't represent my employers   |
|             opinion in any way. (ie we probably don't agree)               |
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