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    undervolting gtx 260m (need help)

    Discussion in 'Asus' started by mrcrysis, Dec 29, 2009.

  1. mrcrysis

    mrcrysis Notebook Geek

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    Good day, fellow nbr members!
    I want to undervolt my gpu through nibitor/ editing the vBios.
    But i have no idea how to change the bios from .bin to a .rom
    Is there a guide here that i missed?
    Any help would be appreciated! :D
     
    mrcrysis, Dec 29, 2009
    #1
  2. Lanaya

    Lanaya Templar Assassin

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    right click-rename-> change to G92.ROM
     
    Lanaya, Dec 29, 2009
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  3. mrcrysis

    mrcrysis Notebook Geek

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    thx man
    that really made my day.
     
    mrcrysis, Dec 30, 2009
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  4. Soviet Sunrise

    Soviet Sunrise Notebook Prophet

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    I lol'ed. 10char
     
    Soviet Sunrise, Dec 30, 2009
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  5. mrcrysis

    mrcrysis Notebook Geek

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    yup it really did

    hey, i have another problem.
    how do i put files at the root of my usb drive?
     
    mrcrysis, Dec 30, 2009
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  6. Lanaya

    Lanaya Templar Assassin

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    my computer->open drive->drag and drop
     
    Lanaya, Dec 30, 2009
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  7. mrcrysis

    mrcrysis Notebook Geek

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    thx
    eIement to the rescue
     
    mrcrysis, Dec 30, 2009
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  8. mrcrysis

    mrcrysis Notebook Geek

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    yet i encountered another problem.
    i couldn't arrive at the dos command prompt after setting the priority os the usb drive to be higher than hdd

    is there a step i missed?
     
    mrcrysis, Dec 30, 2009
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  9. Soviet Sunrise

    Soviet Sunrise Notebook Prophet

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    [​IMG]

    Legacy USB support, or you didn't make your stick bootable.
     
    Soviet Sunrise, Dec 30, 2009
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  10. mrcrysis

    mrcrysis Notebook Geek

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    i did using the hp stuff.
    is there a way to see if the usb is bootable?
     
    mrcrysis, Dec 30, 2009
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  11. Lanaya

    Lanaya Templar Assassin

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    to forcibly boot from it (mine also wpuldn't boot from it this way for some unknown reason) at post press escape and choose your USB drive from the list. Make sure you remember how many preses of the down arrow youneeded to get to it in case of a blind flash
     
    Lanaya, Dec 30, 2009
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  12. mrcrysis

    mrcrysis Notebook Geek

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    i tried to forcibly boot it but the usb is not even on the list.
    How about i just write what i did so someone could point me out my mistake.

    1.opened the hp utility, system file chosen is FAT
    2.checked the create a dos startup disk and browsed to the win 98 extract file(in pc, not in usb)
    3. start formatting
    4. opened my usb through my computer and dragged nvflash(2 apps) and oldbios and newbios to it.

    and that's pretty much it, i suspect the problem is somewhere here
     
    mrcrysis, Dec 31, 2009
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  13. Lanaya

    Lanaya Templar Assassin

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    hm...it should work fine like that. In start menu right click Computer->manage find Disk Management, right click on your flash drive and Mark partition as Active
     
    Lanaya, Dec 31, 2009
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  14. nfshp253

    nfshp253 Notebook Evangelist

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    How do you even know the voltage of the underclock? Can anyone tell me the numbers?
     
    nfshp253, Dec 31, 2009
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  15. Lanaya

    Lanaya Templar Assassin

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    .90v extra .75v for everything else
     
    Lanaya, Dec 31, 2009
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  16. mrcrysis

    mrcrysis Notebook Geek

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    oh i think i know where the problem lies
    i think i didn't put the files in the ROOT of the usb
    is there any difference between putting files in the ROOT and putting the files in the usb (copy paste)?
     
    mrcrysis, Jan 2, 2010
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  17. Lanaya

    Lanaya Templar Assassin

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    the ROOT of the USB is the very top of the file structure, i.e the first thing you see when you open the drive.
     
    Lanaya, Jan 2, 2010
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  18. mrcrysis

    mrcrysis Notebook Geek

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    damn i still couldn't reach the dos command prompt
    i went to the disk management but couldn't click on the mark as active
    any suggestions?
     
    mrcrysis, Jan 2, 2010
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  19. Lanaya

    Lanaya Templar Assassin

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    try a different flash drive?
     
    Lanaya, Jan 2, 2010
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  20. mrcrysis

    mrcrysis Notebook Geek

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    ok i'll try and let you know
    wish me luck
     
    mrcrysis, Jan 2, 2010
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  21. mrcrysis

    mrcrysis Notebook Geek

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    hey eiement,
    thx for the pm reply. congrats on the sale.
    i m still working on the flashing part.
    i m currently trying to overclock my cpu thru the bios.
    how do i do it and will there be any difference than using setfsb?
     
    mrcrysis, Jan 11, 2010
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  22. Lanaya

    Lanaya Templar Assassin

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    you can't OC your CPU via bios on these machines.
     
    Lanaya, Jan 11, 2010
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  23. The_Stinger

    The_Stinger Notebook Consultant

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    Deleted by The_Stinger
     
    The_Stinger, Jan 11, 2010
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  24. ren3g7ade

    ren3g7ade Notebook Evangelist

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    If one undervolts the GTX 260M to the voltages Tev suggests i.e 0.90V/0.75V/0.75V/0.75V, can one still run a the "true" stock clocks of the GTX 260M, that is 550/950/1375 instead of 500/800/1250 stably?
     
    ren3g7ade, Jan 11, 2010
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  25. mrcrysis

    mrcrysis Notebook Geek

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    i think that it won't run that stabel
    for a slight overclock, i think it should be alright.
     
    mrcrysis, Jan 14, 2010
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  26. Soviet Sunrise

    Soviet Sunrise Notebook Prophet

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    The quality of the card has to be really good in order to remain stable at 550/1375/950 @ 0.9v. But most users are able to remain stable at 500/1250/800 @ 0.9v just fine. There are one or two users that failed to maintain stability at that clockset, but their cards were just really bad.
     
    Soviet Sunrise, Jan 14, 2010
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  27. mrcrysis

    mrcrysis Notebook Geek

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    i have a question about o.s.
    i read in clutch's review that after undervolting his p7450 to 1.0v, he managed to reach 50c under load.
    my p7450 (g60) runs at 66 under load even after undervolting it to 1.0v.
    i think it could be becuz he used vista when i'm using w7.
    will o.s. affect the temp?
     
    mrcrysis, Jan 14, 2010
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  28. Soviet Sunrise

    Soviet Sunrise Notebook Prophet

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    No. The OS has absolutely no effect on CPU temperatures under a synthetic stress test. The conditions that he did his test under were most likely different than yours. By that, I mean his room temperature was probably different, he probably used a notebook cooler, the quality of his components were perhaps better, the factory thermal paste was maybe applied better, etc.
     
    Soviet Sunrise, Jan 14, 2010
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  29. mrcrysis

    mrcrysis Notebook Geek

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    oh... thx 4 the answer soviet
    do u think the gtx 260m can run at 413/667/1042 at 0.8v stably?
     
    mrcrysis, Jan 14, 2010
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  30. Soviet Sunrise

    Soviet Sunrise Notebook Prophet

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    Try it first, then come talk to me.
     
    Soviet Sunrise, Jan 14, 2010
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  31. PySoMaNiC

    PySoMaNiC Notebook Consultant

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    Where is the orignal guide for this if you dont mind me asking? I want to undervolt my 260GTX as well.
     
    PySoMaNiC, Jan 16, 2010
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  32. Lanaya

    Lanaya Templar Assassin

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    Lanaya, Jan 16, 2010
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  33. mrcrysis

    mrcrysis Notebook Geek

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    i'm trying to undervoly but still no luck.
    i m currently referring to tev's guide.
    mayb w7 is somewhat different? or the g60 is not fully identical to the g51, as in the software part.

    if someone could post a step by step guide for undervolting in windows 7, it would be really helpful.
     
    mrcrysis, Jan 16, 2010
    #33
  34. Lanaya

    Lanaya Templar Assassin

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    if you're trying to UV your GPU, the software side is the same, exactly. but your 260m might be write protected or some other issue. that is BIOS level, which we can't really help you with.
     
    Lanaya, Jan 16, 2010
    #34