Last edited by ant_thomas September 14th, 2012 at 07:35 PM.The main change between the two versions of the silicon happens to be an issue with how the fan speed was controlled. Read the link I posted first since that is more in depth, I just had to adapt it accordingly for my setup. +-+I take no responsibility if you screw up your card!! But it seems fairly safe if you know what you're doing. | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. Mine was set at 100% and I left it at that, I doubt it will ever even get to 65% again. If you want you can change the max fan speed too. So it's obvious that lower than 65% is safe and it can obviously self regulate so it's not like you're forcing it to run at 30% and overheat. My fan speed was initially at 31% at boot and has now settled at 42% and 60C which is much much quieter than a constant 65%. That's pretty much what I did, after reading this link. Mine had a warning maybe because the ROM was modified or maybe because I had selected 520 GT in NiBiTor. Use command "nvflash -index=0 -5 -6 newbios.rom" - It might complain about which card it is, and saying something doesn't match, don't ignore the warnings, just make sure they're sensible. Go to Temperatures tab and change the Min to something reasonable. From the Device menu select your card, or if you have a GT 620 like I do just select GT 520 "Nvidia PCI-E 520 GT" because they're exactly the same card.ġ1. It will complain that it doesn't recognise the ROM.ġ0. Dump the BIOS ROM - "nvflash -save origbios.rom"ħ.
Boot the system with the 65% fan nvidia card off the USB driveĥ. Make a bootable USB drive using HP Bootable USB toolĤ. You need a Windows machine to do it, or a least one to prepare the BIOS ROM.Ģ. It requires a custom BIOS flash but it's not too hard.
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