Thanks for bios dump
the file is right but the card dont boot , so now im back to 2900 XT and Softmod.

ATI FireGL V7600 BIOS: 113-B00221-101 FGL R600 GDDR3_16Mx32 256bit 512MB 601e/800m
ATI HD 2900 XT BIOS #1:113-B00602-100 R600 GDDR3_8Mx32 512bit 512MB 507e/514m
ATI HD 2900 XT BIOS #2:113-B00602-103 R600 GDDR3_8Mx32 512bit 512MB 507e/514m

I will try more later with Hex Workshop