Thanks for the hint above.

The 1st time I updated to v12, I didn't put the 2 files back and all appeared ok. The 2nd time I updated to v16, I put them both back to the right Volume but of course there's no way to define Index, again all appeared to run normally.

Anyway; for my board (Z87-Pro) just deleting 04:02 is enough (GUID 17088572-) to allow CPU Patch tab to work, no need to delete/change 01:00. To retain the position and pretty much following what you said but changing 1 file only: export say both 01:00 and 04:02 and then replace 04:02 with 01:00 - change microcode - then put back the original 04:02, and you're good to go with what you had there before with updated microcode.

Zitat von Pacman im Beitrag #136

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@mindwarper
Deleting and re-inserting the modules at the index they were Before i think would be a bit complicated, but here is Another way, if you are still interested.

First, if you feel unclear about any of this, ask Before trying.

This way will the BIOS exactly as it was, but with new microcode, quite simple way but i tried it on my Maximus and it worked.
Load your BIOS file in MMTool
Extract the 17088572 modules, Vol. 01 ind. 00, Vol 02 ind. 02, even though i Think they are identical, extract the first to file "1.ffs" and the other to "2.ffs"
Then replace both 17088572 mod with one of the ".ffs" files i have attached, and click "CPU Patch" delete old MC rev. insert the new, go back to "Replace"
and replace the two files you inserted with the 17088572 modules you extracted before, then save image.

This way works because the two problematic MC modules are not there anymore when you go to "CPU Patch", it is like they were deleted, but then they can be "re-inserted" at their original location.
The attached files are just some random FFS files i have that are about the same size as the 17088572 modules.

Of course, even though i have tried this on my motherboard, and it worked, i can not give you any guarantee that it will work for you, but i don't see why it shouldn't.

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@Pacman
I went ahead and indeed that works as designed as you just wrote to extract as is and go ahead from there

Then after I did the microcode update, I used the OROM replacer to update VGA and EFI VGA and EFI GopDriver on the BIOS I wanted to use...
LAN perhaps later with same OROM replacer method

Greetings to all.
Who has a utility to configure "OROM VBIOS"? Share please.

ADD:
Many thanks to Florin9doi, for the programme Intel BMP. :)

@Pacman
"403 Forbidden" :((

@Pacman
@Fernando
@All
I propose to rename this topic. Add to the name of "Modification"
Full name of the theme will be like this:
"Intel Sandy/Ivy bridge and Haswell VBIOS differences and modification"
I suggest everyone to share their experiences and share OROM VBIOS and BSF files.

Intel® Binary Modification Program v2.67e PV
VBIOS and BSF
SandyBridge/IvyBridge - 2137, 2158
Haswell - 2170, 2173

VBIOS and BSF
SandyBridge/IvyBridge - 2137, 2158
Haswell - 2170, 2173

Update:

SandyBridge/IvyBridge - 2120, 2143, 2170

What is the original source for snd_2170 ??