*BSD News Article 87187


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From: jca@bighorn.accessnv.com (J.C. Archambeau)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: AMD K5 CPUs (was Re: Cyrix P166+ CPU patch)
Date: 20 Jan 1997 22:38:05 GMT
Organization: Access Nevada Inc.
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Russell L. Carter (rcarter@consys.com) wrote:

: The P166+ is a curious animal.  I needed a home FreeBSD
: box, cheap, so I've just ordered up a cpu/mb combo from
: Rod.  Otherwise I would have a bought a P5-133.  From the
: scuttlebut on the net it appears that the P166+ is roughly
: equivalent to a P5-166, except for floating point, where
: it is about equal to a P5-133.  And it is about $25-$30
: cheaper than a P5-133.  As soon as I get it I will put
: it through my usual battery of benchmarks on FBSD, and maybe
: summarize here.  I personally don't think floating point
: performance is so critical (and I should know 8-)
: There is an impressive amount of noise
: surrounding cpus these days, what with the MMX and
: Micro$oft sabotoging the cyrix chips on NT4, etc.

Was there any particular reason why you chose not to go with an
AMD K5?

I am going to be upgrading my i486DX/33 EISA/VLB box to an Am5x86/133/P75
which will be crowned the gateway to the local ISP/mail server.

Two workstations will be hanging off of the gateway machine via a 10BT
LAN (upgradable to 100BTX by swapping out the hub) both Pentium class
ISA/PCI boxes with AMD K5/133s.  One having several OSes on it for my
tinkering enjoyment and the other one running vile MS-DOS 6.22/WFW 3.11. [1]

I have never been too fond of Intel parts since the '94 'FDIV-gate'
scandal a couple of years ago.  :)

Since I am essentially running AMD CPU's across the board, I would be
interested in any caveats about them anyone in the FreeBSD community has
found.  I know they won't execute Pentium (Pro) instructions.
--
1. I know I am asking for it, but the WFW user is my present significant
   other/roomate and she is a Windows advocate.  Or rather, she's a
   graphics nut, but at least she hates '95 so many there is some hope. [2]

2. It could be worse, her machine of choice is the Amiga, but a good
   LART to use on her would be to install the Amiga port of Net/Open BSD if
   she somehow obtained an Amiga and put it on my LAN.  ;)

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