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Article #465

Re: Finding 40 MHz 387 in Toronto

#465
From: Brad Alexander
Date: Wed, 13 Mar 1996 00:00
31 lines
2195 bytes
Paul Christenson (pce@moose.erie.net) wrote:
: : I'm looking for a 387 FPU to help speed up my X performance.  Most of the 
: : places I've called in Toronto don't seem to carry this chip anymore.  If 
: : anyone has any hints or has one for sale, please drop me a line.  Thanks.

: Before you go dumping a handful of money into upgrading that 386 
: motherboard, remember that you can get a 486DX2/66 motherboard for $100 
: plus change (US$).

A hundred bucks? If you look around, you should be able to get an AMD 
DX2/66 for less than half that...But you need to hurry...My supplier 
tells me that even AMD is about to discontinue production of the 486 
chips, probably within the next couple of months.

As for the 387, a 33MHz would probably work as well as a 40. I have a 
386DX40 (altho I'm getting ready to upgrade to a 486DX4/100) and am 
running a 33MHz 387. The only consideration is cooling...The 40MHz chip 
is identical to the 33MHz chip. During manufacturing, the chips are 
tested for errors and heat generation. The ones that fail the 40MHz test 
are tested at 33MHz. The ones that fail the 33 MHz test are tested at 25, 
and so forth. So with proper cooling, a 33 MHz chip should not be a 
problem...

Hope it helps,

--Brad Alexander
  System Administrator
  Enterprise Rent-A-Car
  St. Louis, MO

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From: balex@artsci.wustl.edu (Brad Alexander)
Subject: Re: Finding 40 MHz 387 in Toronto
Date: 1996/03/13
Message-ID: <4i71mo$402@newsreader.wustl.edu>
X-Deja-AN: 142560298
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organization: Arts and Sciences -- Washington University, St. Louis, Missouri, USA
newsgroups: comp.sys.ibm.pc.hardware.chips,cp,comp.os.linux.x,comp.os.linux.misc,can.forsale