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Text File  |  1992-09-13  |  1.1 KB  |  26 lines
  1. Newsgroups: comp.sys.ibm.pc.hardware
  2. Path: sparky!uunet!infonode!bbrown
  3. From: bbrown@infonode.ingr.com (Bailey Brown)
  4. Subject: Re: ATI Graphics Ultra Pro: showcase for EISA?
  5. Message-ID: <1992Sep13.182756.8026@infonode.ingr.com>
  6. Organization: Intergraph Corporation, Huntsville, AL.
  7. References: <1992Sep10.222135.6270@news.columbia.edu> <BuHw71.7D5@news.cso.uiuc.edu> <1992Sep13.042516.24857@nntpd.lkg.dec.com>
  8. Date: Sun, 13 Sep 1992 18:27:56 GMT
  9. Lines: 15
  10.  
  11. halpin@vsg1.dsg.dec.com (Stephen E. Halpin) writes:
  12.  
  13. >In theory it should offer both.  The $64 question is can Windows get at
  14. >the 2MB of VRAM through EISA directly, taking advantage of linear addressing
  15. >and 32-bit transfers or do you peek at 2MB through a 64K window doing 16-bit
  16. >transfers?  -Steve
  17.  
  18. Does the 8514/a have a memory-mapped mode?  I was under the (probably
  19. erroneous) impression that all data input to it had to go through
  20. ports.  Is the Ultra different in this respect?
  21.  
  22. ------------
  23. Bailey Brown                               "Above all else, confusion reigns."
  24. Intergraph Corporation                                  
  25. bbrown@casca.b11.ingr.com                              Procol Harum
  26.