Http://www tomshardware com/forum/p7p55d-e-pro-asus-downgrading

[Guest]

Want to downgrade p7p55d-e-pro
1302 version is so very very bad so I want to system stability and increase ram bios version.I'm waiting for u reply.

 

[rolli59]

Reflash with a older BIOS. Maybe you had a bad BIOS flash, most of the time not repairable.