Re:GeForce 8400M GS, from Dell XPS M1330 and BIOS tweaking? - MVKTech Support Forums :: mvk.tech

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Breece
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GeForce 8400M GS, from Dell XPS M1330 and BIOS tweaking? - 2008/02/10 14:16 Hello, I just bought a Dell XPS M1330 with a GeForce 8400M GS graphics card. It is quite nice, but has one problem... In 2D it gets way too hot, which makes the fan go off. I tried underclocking, which does not do much concerning the temperatures. I think I have to lower the voltages. Tried that with NiBiTor v3.7 but it just won't work. First thing that happenend was a nice blue screen while I was just trying to read the BIOS information.

This was in Vista, in Windows XP it reads the BIOS information, but not the voltages. So I cannot change anything. I've researched a bit and it seems as if NiBiTor won't work with that graphics card. Is there any way to change the voltages? A new NiBiTor version? Thank you!

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Re:GeForce 8400M GS, from Dell XPS M1330 and BIOS tweaking? - 2008/02/14 20:07 If your Dell is getting too hot in 2D mode I believe there maybe a problem with your notebook and would talk to Dell support also, as I have several Dell notbook and love them and 3D mode is where things should heat up during gaming especially but not 2D. If the newest NiBiTor doesn't read a voltage table, there may not be options to change the voltage, unless you can add the voltage table option.

I recommend if you can backup your BIOS and zip it and post it on this thread so it can be looked at, so this can be confirmed. If NiBiTor doesn't work you may have to get it to boot to Ms-DOS with a floppy or a bootable USB drive and use nvFlash to backup your BIOS.

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Re:GeForce 8400M GS, from Dell XPS M1330 and BIOS tweaking? - 2008/02/16 10:04 Well you can complain what you want and state that NiBiTor doesn't work, but as long as you can'ty share the BIOS with us we can't look into this. Secondly not all GeForce BIOS's allow changing the voltage and that is not a NiBiTor issue at all but a limitation that NVIDIA build into the logics of the power circuitry of the GPU, as the BIOS can always be tweaked to whatever you want although if the voltage circuitry doesn't understand what the BIOS wants it just won't work. So first get us your original BIOS so we can have a look at this...

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