The Notebook Review forums were hosted by TechTarget, who shut down them down on January 31, 2022. This static read-only archive was pulled by NBR forum users between January 20 and January 31, 2022, in an effort to make sure that the valuable technical information that had been posted on the forums is preserved. For current discussions, many NBR forum users moved over to NotebookTalk.net after the shutdown.
Problems? See this thread at archive.org.

    8800M GTX overclocking issue.

    Discussion in 'Sager and Clevo' started by LOCOLAPTOP, Jun 12, 2008.

  1. LOCOLAPTOP

    LOCOLAPTOP Notebook Guru

    Reputations:
    0
    Messages:
    72
    Likes Received:
    0
    Trophy Points:
    15
    Hi, I just got my laptop 2 days ago and I wanted to overclock my SLI 8800's but when change the overclock on the bios and flash my cards it doesnt work or I get video corruption as soon I load windows with drivers 174.90 :confused:
    The clocks I tried was 550/850/1350 on 1.05V BIOS .18 I dont have the .14

    I done bios flashing before and never had this problem. What im i doing wrong?
     
    LOCOLAPTOP, Jun 12, 2008
    #1
  2. The_Observer

    The_Observer 9262 is the best:)

    Reputations:
    385
    Messages:
    2,662
    Likes Received:
    0
    Trophy Points:
    55
    Voltages may be?
     
    The_Observer, Jun 12, 2008
    #2
  3. LOCOLAPTOP

    LOCOLAPTOP Notebook Guru

    Reputations:
    0
    Messages:
    72
    Likes Received:
    0
    Trophy Points:
    15
    tried 1.05V and 1.1V and same results.
     
    LOCOLAPTOP, Jun 12, 2008
    #3
  4. LOCOLAPTOP

    LOCOLAPTOP Notebook Guru

    Reputations:
    0
    Messages:
    72
    Likes Received:
    0
    Trophy Points:
    15
    Nevermind I got a .14 bios and it works fine at 600/1500/950. But now I would like to know are the better drivers.
     
    LOCOLAPTOP, Jun 12, 2008
    #4
  5. dazzyd

    dazzyd Notebook Evangelist

    Reputations:
    111
    Messages:
    498
    Likes Received:
    2
    Trophy Points:
    31
    im using 175.75 drivers and so far so good. but i want moreeeee!!! poweerr!! heeheh

    just need to figure out how to disable powermizer.. any one know where it is in the nvdia control panel coz i cant find it. i however found this while trawling through other websites

    "in Vista change the registry key PerfLevelSrc from x'3333' to x'3322' with regedit. This forces the GPU to run at max when plugged in,

    but allows powermizer to still work with batteries.

    x'2222' will keep GPU at max on batteries or mains.

    The registry key is found in:
    \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Video\{**unique to you for nvidia**}\0000\PerfLevelSrc
     
    dazzyd, Jun 12, 2008
    #5
  6. Relowe

    Relowe Notebook Consultant

    Reputations:
    68
    Messages:
    160
    Likes Received:
    0
    Trophy Points:
    30
    Bumping an informative thread. Good to know what versions you are using for bios flashing and the settings you're using for overclocking. And thanks dazzyd for that info. I couldn't find powermizer either.
     
    Relowe, Jun 14, 2008
    #6
  7. dazzyd

    dazzyd Notebook Evangelist

    Reputations:
    111
    Messages:
    498
    Likes Received:
    2
    Trophy Points:
    31
    yep same i coundnt either so i went into registry and disabled powermizer from there..
     
    dazzyd, Jun 14, 2008
    #7
  8. STeam6

    STeam6 Notebook Geek

    Reputations:
    0
    Messages:
    80
    Likes Received:
    0
    Trophy Points:
    15
    And if you lack powermizer in the registry, how do you get it in there? I want to downclock, badly.
     
    STeam6, Jun 22, 2008
    #8
  9. dazzyd

    dazzyd Notebook Evangelist

    Reputations:
    111
    Messages:
    498
    Likes Received:
    2
    Trophy Points:
    31
    it has to be in there mate. since you have installed your nvidia drivers. the powermizer settings will be in there
     
    dazzyd, Jun 22, 2008
    #9
  10. STeam6

    STeam6 Notebook Geek

    Reputations:
    0
    Messages:
    80
    Likes Received:
    0
    Trophy Points:
    15
    Found them with new drivers, 175.12. One problem less, however, the GPU doesnt seem to downclock as it should, at least not so its possible to see in GPU-z.

    The values I have are:
    powermizerdefault - 3
    powermizerenable - 1
    lowermizerlevel - 3
    powermizerlevelAC - 1

    And thoughts on this is right or wrong? And what do the parameters do? There doesnt seem to be any information on what the different settings do.
     
    STeam6, Jun 23, 2008
    #10
  11. dazzyd

    dazzyd Notebook Evangelist

    Reputations:
    111
    Messages:
    498
    Likes Received:
    2
    Trophy Points:
    31
    experiment with them.. either set all of em to zero or only set the one called PerfLevelSrc from '3333' to x'3322' . This forces the GPU to run at max when plugged in,

    but allows powermizer to still work with batteries.

    x'2222' will keep GPU at max on batteries or mains.
     
    dazzyd, Jun 23, 2008
    #11
  12. STeam6

    STeam6 Notebook Geek

    Reputations:
    0
    Messages:
    80
    Likes Received:
    0
    Trophy Points:
    15
    It`s funny, nothing happens. I can change values up and down but there is no change in GPU-Z. The only way I can make changes in clocks is to run powersaver mode in Vista. Other then that, nothing. Can this be a BIOS or Dell related issue?
     
    STeam6, Jun 27, 2008
    #12