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  1. Path: sparky!uunet!ogicse!plains!plains.NoDak.edu!wilken
  2. From: wilken@plains.NoDak.edu (Scott Wilken)
  3. Newsgroups: comp.sys.ibm.pc.hardware
  4. Subject: Re: What is the difference between DX and SX?
  5. Message-ID: <19763@plains.NoDak.edu>
  6. Date: 17 Aug 92 19:39:50 GMT
  7. Article-I.D.: plains.19763
  8. References: <1992Aug15.185130.24702@wyvern.twuug.com> <1992Aug17.134521.27998@msc.cornell.edu>
  9. Sender: Unknown@plains.NoDak.edu
  10. Organization: North Dakota Higher Education Computing Network
  11. Lines: 20
  12. Nntp-Posting-Host: plains.nodak.edu
  13.  
  14. In article <1992Aug17.134521.27998@msc.cornell.edu> boris@lynx.msc.cornell.edu.UUCP (Boris Yost,311 Bard Hall,4045,2739205) writes:
  15. >> 
  16. >> The 486 has some additional instructions, and the 486DX has
  17. >> an onboard math co-processor, if that helps.
  18.  
  19. >The SX processors have only 16bits worth of data lines on the package, so 
  20. >they have to do two reads to get a long.  But this makes the system cheaper.
  21.  
  22. BZZZZZTTT  Wrong answer Boris..
  23.  
  24. While that is true for the 386sx processors, it is *NOT* true of the 486sx
  25. processors.. 
  26.  
  27. The 486sx is the same as a 486DX except that it has no math coprocessor...
  28.  
  29. Scott
  30. -- 
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