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hocky98

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hocky98

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May 30th, 2006 03:00

Default Go7800 core/mem speed?

I have the new E1705 with the Go7800 video.
 
Dell has underclocked it. I was wondering can I set it to the original speed? I thin kits 450/1100MHz for core/mem. Will that fry something? My legs?
  • lengbooi

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    Posted May 30th, 2006 09:00

    I think you can try first to use the optimal frequencies that NVIDIA will detect before jumping to frequency of your choice.

    I tried to do the above earlier today. Using the NVIDIA optimization or detection for optimal frequencies.

    The default speed I have is 250 / 650
    NVIDIA changed it to 352 / 858

    So far I have no problem with the changes. I guess I need a drink before I'll go and move it up to higher :D
  • paulguy

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    Posted May 30th, 2006 12:00

    This may seem like a stupid question, but how do you do this?
  • lengbooi

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    Posted May 30th, 2006 18:00

    I used NVIDIA's tool (included in the latest driver) to overclock. It is not "really" recommended to overclock unless we take the risk or we know what we are doing. Overclocking can caused problem so I (friendly) suggest to not to do it unless you require.

    See screenshot of NVIDIA's tool (I lower it to 1MHz):

    Image Hosted by ImageShack.us>

    Some advanced users are using 3rd party application to overclock.
  • MBCMDR

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    Posted May 31st, 2006 15:00

    All,
     
      If you look on the internet you can find this with the ISO Disk for overclock at each desired speed. Please understand anything you do is "YOUR DOING" as increased speed equals heat and heat equals damage. Just don't go crazy and you can do fine.
     
    Eng Electronics & Software
    MBCMDR
     
    Geforce Go7800 GTX
     
     Clocks ----------- 3DMARK5 -------- STABLE?
    400C1065 ---------- 6705 ----------- ORIGINAL CLOCKS SET BY DELL
    425C1100 ---------- 7058 ----------- STABLE--No Artifacts in games w/no errors
    440C1250 ---------- 7456 ----------- STABLE--No Artifacts in games w/no errors "My Setting"
    440C1300 ---------- 7521 ----------- Artifacts in NFSMW2 after ~20 minutes
    445C1250 ---------- 7524 ----------- Artifacts in NFSMW2 after ~2hours
    450C1100 ---------- 7252 ----------- ?
    450C1200 ---------- 7468 ----------- Artifacts in FEAR after ~1 hour of play
    450C1150 ---------- 7375 ----------- ?
    455C1100 ---------- 7334 ----------- ?
    455C1200 ---------- 7543 ----------- CRASH ON NFSMW2
    460C1100 ---------- 7369 ----------- ?
    465C1150 ------- ARTIFACT ------ NO
    470C1200 ------- ARTIFACT ------ NO
    470C1100 ------- ARTIFACT ------ NO
    475C1150 ------- ARTIFACT ------ NO
    475C1200 ------- ARTIFACT ------ NO

    Message Edited by MBCMDR on 05-31-200605:50 PM

  • tigerwolf7

    2 Intern

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    Posted May 31st, 2006 18:00

    The 7800 was never released as a desktop product, so it's impossible to say what it's official clock speed would have been. It's not at all the same thing as a 7800GT or GTX (seems closer to a vanilla 6800 if I'm remembering). And remember, you're voiding your warrenty by overclocking, and also risking damage to your hardware even worse than in a desktop system because of the confined spaces in a notebook.
  • MBCMDR

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    Posted May 31st, 2006 19:00

      As this forum is for Inspirons I hope everyone talking Laptop/Notebook :smileyvery-happy:.
     
    This is a good site showing you data about Notebook Graphic Cards.
     
     
     Yes most modification done outside the OEM delivery will void the warrenty but not all "".
     
    All I can say is my i9300 screems, I think you can figure out what video I have :smileywink: 
     
    Eng Electronics & Software
    MBCMDR
  • MBCMDR

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    Posted May 31st, 2006 20:00

    If you can't figure it out I'm using the Geforce Go7800 GTX Ultra 256mb.
    My i9300 thinks it an XPS, circler filed the X300 64mb
     
    Yes; I did think about using the Geforce Go7900 GTX.
     
    MBCMDR
  • Wildcatt

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    Posted June 3rd, 2006 04:00

    Hi I just noticed your post I have a 9400 also and use DHZer0point  video drivers you can get them at  http://www.driverheavendownloads.net/zeropoint.htm I run my go 7800 @ 300/750 this seems very stable also take the time to check and monitor your video card temps for some reason dell has set the video fan controls in bios to kick on when you card hits 80C =176 degrees    :( this is about 25 degrees to hot i think any i use a software utility called I8kfanGUI you can download that at http://www.diefer.de/i8kfan/index.html

    ps your video card temp  will show up in the new driver youll see it

     

     

  • hocky98

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    Posted June 7th, 2006 21:00

    MBCMDR,
    What is the driver version that the benchmarks are based on?

    Thanks
  • hocky98

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    Posted June 7th, 2006 21:00

    >440C1250 ---------- 7456 ----------- STABLE--No Artifacts in games w/no errors "My Setting"

    My auto nVidia detection has set my Go7800 to a lower clock than that. Im afraid to try it. I'm seeing tearing in Oblivion already at this rate. I've also lowered it by 10MHz for each already.