Hi guys,
I tried to mod my old Gigabyte motherboard GA-H61M-DS2 (rev. 5.0) for PCIE Nvme support, I have not flashed it yet, I followed the guide, downloaded the BIOS file from Gigabyte, deleted all language other than English as I was getting error, then I managed to insert NvmExpressDxe_5, kept the original file name (.F7 extension!), please check the attachment. I am totally new to this, no knowledge at all, do not even know many terms!! 
I am just wondering if anyone can check whether I have done this correctly. I will be in trouble if I brick this motherboard. 
H61MDS24.zip (2.8 MB)
Hello and welcome,
I’m sorry but an additional pad file emerged (Before mcode) upon doing the mod, it’s not OK, try UEFI tool or MMtool method and/or different versions of such tools 4.50 or 5.007.
Can try also the small DXE5. Just check it with UEFI tool for pads upon doing several attempts.
Read careful the guide/notes.
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Hi MeatWar,
thank you for taking time to check it, I followed just as the Guide said, Used MMtool (mm_aptio_tool_v5.0.exe). I actually didn’t understand what you are referring to, sorry, can you please clarify a little? How would I make sure it has been done correctly? Thank you.
@MeatWar ,
Can you please check again? I inserted small DXE5, no pad file this time! 
H61MDS24.zip (2.8 MB)
Seems ok, but that’s it, neither i or anyone else in the forum, can’t assure you of nothing regarding mods/flash, the rest it’s up to the user.
Still, you have Dual-Bios if anything fails.
Good luck.
Top of volume, original pad present:
End of the volume, no new pad:
EDIT: Use Q-Flash method, NOT on OS environment or @Bios
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@MeatWar Yes, Top of volume, original pad present and no new pad at the end, just like the original. Thank you for taking time to check it, I will flash later with Q-Flash as you suggested, let’s see how it goes.