i have a 2.3b pro in a 1.4 trying to flash with x2.5035 also tried x2.5032 with cromwell flashbios 3.0.3 used x2bm to make bios 1st 2 banks flashbios next 2 x2 bios freezes every time before completion (at 1/2 or 1/4) but can still access cromwell to try again just not getting a good flash for the x2 half