intel resizable bar

I recently built a new computer and decided to try out one of Intel's Arc a770 cards. After figuring out how to get Resizable Bar enabled in the BIOS (ReBar is new to me so I had to learn what all it needed to function), I discovered that CSM support needs to be disabled in my BIOS in order to...

Hi, I'm trying to find info if the Gigabyte H370M can have the option of enabling re-bar or not? I've just bought an Intel Arc and just read today it only really works with resizable bar enabled. If not I can take the gpu back.. Thanks in advance