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Latest NVFLASH for Windows & DOS

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Added a version that should work. Anyways, if you have a desktop it's much more comfortable to flash from within Windows.

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Added a version that should work. Anyways, if you have a desktop it's much more comfortable to flash from within Windows.

If given the option I always prefer to flash BIOSes (especially motherboards) in DOS rather than Windows. It's so easy to do a one time setup on a flash drive to make it bootable. Since DOS is more low level and has less stuff going on in the background, it is much safer anyway to flash In DOS.

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Just FYI to those wondering this is for flashing an ultrabay 750m in a y500 with the latest firmware on the y500 thread.

On 5.142 I still get the PCI Block corrupted error. The older 750 firmware flashes but it doesn't seem to remove the 135 limit. The newer firmware throws that error.

Edit : Same with the dos version.

Edit 2 : Somewhere in all this the older 750 firmware worked and now shows up with the proper (MODIFIED) label in inspector with the limits properly removed. So I think I'm good despite the newer firmware not flashing due to that error. It just means I have different versions between my onboard card and the ultrabay one.

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You should be able to force the flash with -4 if you get that error, but just don't use this option for usual flashes.

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Even if you flash the stock version of that vbios?

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whats the latest version of nvflash when i try to flash my gtx 780 i get the error that newer version is required --can u please provide a downlink for the same ..

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Is it worth it to try flashing via DOS if I'm temporarily bricking when flashing on windows? I'm having to connect via the IGP and flash back to stock bios.

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Is it worth it to try flashing via DOS if I'm temporarily bricking when flashing on windows? I'm having to connect via the IGP and flash back to stock bios.

Probably worth a try booting to DOS on a USB key and using nvflash there, although chances are that you'll encounter the same issues with nvflash on DOS and you are on Windows. Personally, I'm never comfortable with flashing on Windows and always use the DOS version.

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There's a link in the first post. The usage of nvflash is the same in DOS and Windows.

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How safe is it to flash in windows? I have a ACX SC, if I flash to your ACX bios will my stock clocks be 780 stock clocks or SC stock clocks?

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If I remember correctly the ACX vbios I posted is SC.

With a desktop you can safely flash from Windows.

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I think this question might be asked before, but if i flash it and something goes wrong, whats the chance of it being a soft break? or a hard break?

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Soooooooooooo sad, I can't have

nvflash.exe --save vgabios.rom

Microsoft Windows [Version 6.1.7601]

Copyright © 2009 Microsoft Corporation. All rights reserved.

E:\>nvflash.exe --save vgabios.rom

NVIDIA Firmware Update Utility (Version 5.151)

Adapter: NVS 4200M (10DE,1056,1028,0494) H:--:NRM B:01,PCI,D:00,F:00

The display may go *BLANK* on and off for up to 10 seconds during access to the

EEPROM depending on your display adapter and output device.

Identifying EEPROM...

EEPROM ID (20,00FF) : Unknown

ERROR: Supported EEPROM not found

:'(:'(:'(:'(:'(:'(:'(:'(

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The NVS4200 is directly on the motherboard itself and thus has the vBIOS integrated with the sBIOS. NVFlash cannot read the sBIOS. Depending on the laptop the sBIOS can be difficult to pry open to get to the vBIOS.

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Is there a version of NVFLASH that works on 64-bit Windows yet? Last time I had to boot from a thumbdrive and having an issue making one bootable at the moment.

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