Originally Posted by DanTheBanjoman
What kind of limits? I can't really think of any apart from the capability to boot from GPT disks, which usually isn't needed.
I was booting from the RAID card and also had the itegrated RAID enabled. The card BIOS pretty much filled all the remaining memory allocated by the motherboard BIOS. The new BIOS was (I think) 4 KiB larger which prevented the card BIOS from being loaded.