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- Newsgroups: comp.sys.ibm.pc.hardware,comp.sys.intel
- Path: sparky!uunet!sun-barr!cs.utexas.edu!torn!cunews!nrcnet0!bnrgate!bmerh85!bcars64a!bqneh3!schow
- From: schow@bqneh3.bnr.ca (Stanley T.H. Chow)
- Subject: Re: Help - Cyrix processors, anyone know for sure?
- Message-ID: <1992Aug13.215958.4016@bcars64a.bnr.ca>
- Sender: news@bcars64a.bnr.ca (Usenet News)
- Organization: Bell Northern Research Ltd, Ottawa
- References: <15120@suns4.crosfield.co.uk> <1992Aug13.205054.25258@crd.ge.com>
- Date: Thu, 13 Aug 1992 21:59:58 GMT
- Lines: 26
-
- In article <1992Aug13.205054.25258@crd.ge.com> davidsen@crd.ge.com (bill davidsen) writes:
- > I think you just answered your own question. A 386 BIOS will not work
- >well (if at all) with a 486, because the cache controller is unknown to
- >it. I wouldn't even try it, based on having tried a 386 BIOS on a 486
- >motherboard without success.
- >
- > If it did work I would expect it to be quite slow without enabling the
- >cache.
- >
- > That's not a "for sure" answer, but it's based on some real experience
- >and some solid reasons why I wouldn't expect it to work.
-
- I would think that is the reason that the chip will come up in slow-mode
- that is more or less 386 compatible. You have have explicitly enable
- the cache. This give a better chance that a 386 BIOS will work. But
- then, I expect AMI and other BIOS people will quickly come out with
- versions of their 386 BIOS that can handle the Cyrix chips. I am expecting
- to have to replace my BIOS for complete functionality.
-
-
-
- --
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