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Article #41901Re: 386 and 386SX...what is the difference?
From: Jason Merrill
Date: Wed, 07 Feb 1990 22:19
Date: Wed, 07 Feb 1990 22:19
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In article <35642@mips.mips.COM> rr@pika.mips.com (Robert "Bob" Rodriguez) writes: >The real difference is: a 386 SX has a 24 bit address path and a 16 bit data >path. This allows it to address 24 MB and plug into existing '286-like' >boards. Its I/O is very similar if not identical to the 286. >The speed differences between a 386 DX and 386 SX at the same frequency >are all attributable to the multiple memory and I/O bus accesses. About half of that is accurate. The SX has a 32 bit address path, not 24. It can access 4 gigs, just like the 386 -- the ONLY difference is the bus. -- Jason Merrill jmerrill@jarthur.claremont.edu
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!dino!ux1.cso.uiuc.edu!brutus.cs.uiuc.edu!jarthur!jmerrill From: jmerrill@jarthur.Claremont.EDU (Jason Merrill) Newsgroups: comp.sys.ibm.pc Subject: Re: 386 and 386SX...what is the difference? Message-ID: <4228@jarthur.Claremont.EDU> Date: 7 Feb 90 22:19:16 GMT References: <2757@jato.Jpl.Nasa.Gov> <13214.25cec56f@max.u.washington.edu> <35642@mips.mips.COM> Organization: Harvey Mudd College, Claremont, CA 91711 Lines: 12