I didn't use modbin it has some issues with 1024kb bioses. I used a hex editor & LHA. Most of award bioses has a checksum of 0 ( not all ), recalculate till it is zero again, find a free spot and insert it.
Flash went fine Manufacturer: Gigabyte Motherboard: GA-73PVM-S2H (rev. 1.0) Bios revision: F6 Bios Type: AWARD vista asus slp2.0 activated......will report later on slp xp activation many thanks for your time and effort