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Article #20174Re: Run a 486/33MHz CPU at 40 or 50MHz?
From: Al Dhir
Date: Wed, 13 Jan 1993 00:17
Date: Wed, 13 Jan 1993 00:17
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In article <CARL.93Jan12112416@atlantis.Cayman.COM> carl@Cayman.COM (Carl Heinzl) writes: > >>|> Now the question is that how far you can increase the speed. There is >>|> no rule here, it may run at only 1% or as high as 30% above the rated >>|> speed. > >>Are DX2's as push-able ad DX's? I.E. would you be likely to be able to >>successfully raise 33mhz to 40 mhz, and with a DX2-66 have 80mhz internally? > >Very doubtful. Remember, when you're pushing a 33 to 40 you're >pushing a chip that was actually designed to run at 50 Mhz but this >particular part didn't make the cut (at 50). What in the world gave you this idea? Do you have any clue how long it took Intel to make the 486/50 chip so it would run reliably at 50mhz? The 33 was out LONG before the 50, and is not, and never was, simply a rejected 50 chip. > >The real question to ask would be... "Has anyone successfully pushed a >DX50? And to what speed. Of course the inherent problems with this >scheme is that most motherboards are only designed to run at a maximum >of 50 Mhz so it would be difficult to tell if the CPU is failing or if >the motherboard is inducing the failure. Truly an interesting question. Also...what's the status of a 486dx2/100? -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Al Dhir Technical Consulting Staff Internet: adhir@cygnus.umd.edu University of Maryland, College Park Bitnet: adhir%cygnus.umd.edu@Interbit (301) 405-1500 * (301) 405-3014
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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!haven.umd.edu!wam.umd.edu!adhir From: adhir@wam.umd.edu (Al Dhir) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Run a 486/33MHz CPU at 40 or 50MHz? Message-ID: <1993Jan13.001730.20526@wam.umd.edu> Date: 13 Jan 93 00:17:30 GMT References: <1993Jan8.172942.7869@news.clarkson.edu> <up47198@zola.esd.sgi.com> <CARL.93Jan12112416@atlantis.Cayman.COM> Sender: usenet@wam.umd.edu (USENET News system) Organization: University of Maryland, College Park Lines: 31 Nntp-Posting-Host: rac2.wam.umd.edu