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Internet Message Format  |  1992-11-05  |  5KB

  1. Date: Mon, 17 Feb 92 13:14:38 EST 
  2. From: "Glen Lalonde" <glalonde@vnet.ibm.com>
  3. Subject: MMUSpeed program. 
  4.  
  5. I hear you have a mac PD program archive. I send along the following program
  6. which I wrote, so that it can be included.
  7.  
  8. Name: MMUSpeed
  9. Hardware needed: Railgun 030 accelerator or Novy Quick30
  10.  
  11.  
  12. Description:
  13.   This program gives you 12% more performance from your accelerator by
  14. enabling the data cache. Before enabling the data cache, this program
  15. sets up MMU translation tables which indicate which parts of memory
  16. can/can't be cached. Note: the software by Novy indicates the data and
  17. instruction cache are turned on by their INIT. This is NOT true for the
  18. data cache. This program is compatible with sys 7, and should be placed
  19. in your startu items folder. It takes up about 5K of (system)heap space
  20. for the tables.
  21.  
  22. The functionality of this program is already built into the ROMs of the
  23. SE/30 and other 030 based Macs, also this program does not work with
  24. the gemini board. Lastly my program uses the MMU and so does Virtual
  25. by connetrix so it is not compatible with that program.
  26.  
  27.  
  28. I have used it for months with no trouble, report any problems to me
  29. though.
  30.  
  31. Glen Lalonde.
  32. glalonde@vnet.ibm.com
  33.  
  34.  
  35. Decode in stuffit classic with de-binhex option.
  36.  
  37. (This file must be converted with BinHex 4.0)
  38.  
  39. :$%e0990`C@9N,R0TG!"6594%8dP8)3!!!!!(p3!!!86MLe0*9#%!!3!!"r9b6'&
  40. e!R!!!!!@!$8&!!K06996F'9PC%4'!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  41. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!""8&"-4da&6L!!T9FUIk9A+SB!!!V
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  90.