@Fernando Where do you download the Flashrom tool from? Their website is quite confusing

I'm sorry, i'm so scattered today. I've been working on pulling injectors out of my truck at the same time as trying to go thru this. I'll leave pull myself together and work on this later.

I get an error when I try to backup the current bios from the board using flashrom. Any suggestions, is there something I've done wrong?

3. After having flashed the modded BIOS, did you see a drive named "PATA" or "PATA_SS" listed within the "BOOT" section of the BIOS

it dosent show up to me

@Fernando

Do you get the same data every time you backup your bios using flashtool (file compare them)?
flashrom -p internal -r BACKUP.ROM

@Choz Probably the files might get a little different after a reboot since the NVRAM gets changed/ written to all the time. The other regions and other parts of the bios region should be static/ identical.



If you find changes and want to check: Open file in UEFItoolNE, check for base of NVRAM (there can be more than one volume!) and check for base of next volume assumed to be 'static'. Compare files in for example HxD and check the addresses where the differences begin/ end.

Zitat von lfb6 im Beitrag #863

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Probably the files might get a little different after a reboot since the NVRAM gets changed/ written to all the time. The other regions and other parts of the bios region should be static/ identical.

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Hi @Fernando

I just spent the last couple of hours trying to mod the BIOS for my ASUS X570-I Strix motherboard. All I want to achieve is control over the PCH fan that's driving me insane. I followed all instructions to create a BIOS dump using Flashrom, then modifying the dump with AMIBCP by following the video instructions posted by @aGeoM.

Everything went fine and I was able to write the modded version, however, I'm still not seeing any PCH fan control in my new modded BIOS.

Can anybody here chime in and see where I'm making a mistake?

Thanks all, very helpful forum here.

Hello, after several flashes with afuwin I have flickering on the screens and images spawned while the process lasts but this did not happen to me before, is it normal? or better stop trying?

thanks!

Thank you so much, Yes, I realise. And after several tries with the goo USB flashback method I got a new issue: The led just blinked three times and stay solid forever. Then I tried with different USB and it worked. Thank you so much!

Is it possible to flash an official bios using this method? I have an ASRock z370/OEM and instant flash doesn't work at all ("No image file detected" error.). I've tried this method and got this log.

Zitat von stealthwang im Beitrag #589

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just wanted to report in with another ASUS flashing method that worked well for me.
on an ASUS Z9PR-D12 I was able to use the included BUPDATER.EXE DOS tool to backup the bios of the motherboard into a unsigned ROM (rather than the CAP it would be if downloaded off the ASUS site), add the NVME DXE to that backup, and then flash the modified rom back via BUPDATER.EXE
seems simpler than some of the other processes if your motherboard has a tool to make a backup of the existing BIOS

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