*BSD News Article 22847


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From: jfc@athena.mit.edu (John F Carr)
Newsgroups: comp.unix.bsd,comp.unix.questions
Subject: Re: Vax 11/750 and BSD (and AT&T)
Date: 26 Oct 1993 16:16:01 GMT
Organization: Massachusetts Institute of Technology
Lines: 20
Message-ID: <2ajig1$fta@senator-bedfellow.MIT.EDU>
References: <1993Oct25.045559.738@mcs.drexel.edu> <1993Oct26.082505.16404@usage.csd.unsw.OZ.AU> <VIXIE.93Oct26084513@gw.home.vix.com>
NNTP-Posting-Host: achates.mit.edu

In article <VIXIE.93Oct26084513@gw.home.vix.com>
	vixie@gw.home.vix.com (Paul A Vixie) writes:

>I worked on this for a while.  The parts of 32V that aren't in BNR2 and
>won't be in 4.4BSD-lite include all the low-level VAX support.  A lot of
>it is quite intense and I don't think a "free" implementation of them will
>ever be produced.  A 750 is so much slower than a 486 that you just have
>to ask, "why bother?"

Newer VAXes perform like a 386 and are cheap used (VS 3100/38 is 4-5 MIPS).
The newest ones perform like a 486 but are more expensive.

But "why bother" is probably the right attitude even for newer models.
It would be a fun hack if someone gave me a reasonbly fast VAX and
documentation, but otherwise if I were writing or porting an OS I would
target one of 486, R4000, or POWER.


--
    John Carr (jfc@mit.edu)