The radio is newer than Froyo version.
The new radio us 32.41.00.32U_5.08.00.04
Umm It seems the same radio insideas new Desire Froyo rom http://forum.xda-developers.com/showpost.php?p=7070920&postcount=185 time 3:19
You could try removing the asserts for the hboot version in CMs update-script or turn off asserts in clockwork recovery.This ROM also includes a new HBOOT, which has totally screwed me up. Ok, it was my fault that I was stupid enough to simply flash it by changing the file to PASSIMG.zip, but then I found out that it has a new HBOOT. (HBOOT-0.35.0017)
And yes, with the new HBoot, I cannot go back to the EPE76 because the original EPE76 is understood to be "older" "previous". Also, the newly released CM doesn't work also because it is designed to work with the old boot version.