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 Subject: RE: 72mhz TT.........?
Author: Ragstaff (dialup-1-055.GoldCoast.dft.com.au)
Date:   11-07-2002 14:24

Um, I don't think the issue is whether the CPU can handle 72mhz or not, it's the fact that, as The Paranoid said, 72 mhz is 2.25 times the original speed. Usually, when running a chip faster than the motherboard, you want the multiplication to be divisble by 1 or at least 0.5, so that the CPU can do 2, or 3, or 4 cycles for every cycle on the bus. I don't actually understand why it is acceptable for it to do 2.5 or 3.5 per cycle, but getting less precise than that, like 2.25, or 3.8632 doesn't really work.

I don't know what the TT bus speed is, 16 or 32 mhz. If it's 32, then the multiplier to get 72mhz is 2.25 which doesn't sound right.
If it's 16mhz then 72mhz is 4.5x which sounds a little more feasible...

 Topics Author  Date
  Overclocking the TT's CPU ? new ray 11-04-2002 10:41 
   RE: Overclocking the TT's CPU ? new Jan Krupka 11-05-2002 23:55 
    RE: Overclocking the TT's CPU ? new Ragstaff 11-06-2002 05:08 
    RE: Overclocking the TT's CPU ? new elliot 11-07-2002 19:50 
     RE: Overclocking the TT's CPU ? new ray 11-07-2002 22:35 
   RE: Overclocking the TT's CPU ? new The Paranoid 11-06-2002 09:57 
    RE: Overclocking the TT's CPU ? new ray 11-06-2002 11:21 
     RE: Overclocking the TT's CPU ? new earx 11-06-2002 21:25 
      RE: 72mhz TT.........?  Ragstaff 11-07-2002 14:24 
       RE: 72mhz TT.........? new ray 11-07-2002 15:17 
     RE: Overclocking the TT's CPU ? new The Paranoid 11-07-2002 09:46 
      RE: Overclocking the TT's CPU ? new ray 11-07-2002 10:06 

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