OC Mac Pro in Bootcamp w/ SetFSB?

Discussion in 'Mac Pro' started by Cuyahoga, Oct 14, 2012.

  1. Cuyahoga macrumors member

    Cuyahoga

    Joined:
    Jun 12, 2007
    #1
    As my 2008 3,1 Mac Pro begins to enter its sunset years with no updates in sight, I've been trying to get a little extra performance out of it without spending too much money.

    I'm under the impression that the Xeons in a MP's should allow some degree of OC'ing without heat issues due to their conservative design. Using CPU-Z & SetFSB, I should be able to achieve this.

    In SetFSB, I believe I have the proper Clock Generator selected for my E5462 (ICS932S421BGLF), and I'm able to "Get FSB" without any issues. I can even increase the bus speed by about 5 MHz without issue. Anything above that causes a freeze & the fans to spin up. I promptly do a cold shut down, which resets the bus speeds.

    I know I've read users having a similar experience on MP's, but I can't seem to find it.

    Has anyone had any luck with this? Thanks!
     

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  2. Batemans macrumors newbie

    Joined:
    Dec 10, 2012
    #2
    Did you manage to resolve this? I had a look around for myself and reached the conclusion that 1CS932S401EGLF was the correct clock generator for a 3.1 MP?
     
  3. Cuyahoga thread starter macrumors member

    Cuyahoga

    Joined:
    Jun 12, 2007
    #3
    Nope, no luck. I'll update this if I get anywhere, but it's not looking hopeful.
     
  4. Batemans macrumors newbie

    Joined:
    Dec 10, 2012
    #4
    I managed to get my 2.8 up to 2.9/3.1 last night, it was an extremely frustrating process. There seems to be no consistency as to when it freezes, sometimes it freezes after a +1 to FSB, other times not until 3-4 jumps of +10.

    Anyway I think I settled for something like 425/760 @2.95, only an increase of 300 or so in geekbench but better than nothing.

    I also tried 'SysTool', which would not run (Driver error, then kernel error) and Clockgen which doesn't have the correct MP clock generator.

    This was using 1CS932S401EGLF btw.
     

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