I spent the day trying to figure out how to add an extra microcode file to the pre-existing microcode master file and may have a solution though it could be kind of risky. the guide is for replacing microcodes, how does it work when you want to add one without touching the previous ones? I am asking because I want to make a desktop chipset (Skylake in my case) functional with SKL, KBL and CFL CPUs you used 2 different versions of UEFITool, but both are now outdated… have you tried with the latest version, if it is possible to use just one?Ģ. Then open your modded file inside the NE version of UEFITool to make sure it can successfully read the you for the good (if a bit complicated) guide.ġ. To point to each entry correctly wether its a Microcode or Bootgaurd or what ever. Point is the FIT table would have to be corrected Some bios files have more than just microcodes listed in that FIT table (or just replace an unneeded entry or append to the last entry). If you have a lot of ‘FF’ 's at the end you would also have to make sure the file size matches the previous size in some cases or because I found out that PS: As far as adding one I suppose you would just insert the microcode at the end of the master microcode file, and then append the start address to the FIT table if possible. I have opened an issue on the github page. Even Phoenixtool couldn’t do it and complained thereįor now we have to wait for the developer of those tools to comment. There must be something special about that MSI bios file format that the tools do not like. Thats the first thing I did and it choked on the X299 MSI SLI Plus bios file when I tried to replace it. I tried the newer version 22.1 of Uefitool. "Patch Size" is 12000, which is exactly 9000 * and , Vol 4 contains the two Microcode entries, and the "Patch Size" is correct (3400 + 5C00 = 9000). |Vol|No| Boot |MicroCodeID|Platform|CPUID| Revision |Date(YYYY/MM/DD)| Size | | Copyright (c)2014 American Megatrends, Inc.
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