BIOS errors 99, b4, a2 on asrock p67 Fatal1ty pro

[basilmax]

how ca I get rid of these 99, b4 and a2 errors thebios is showing at win7 x64 start up? Tied moving around dimms, gpu nvidia 570gtx, all usb periferics. No way.

 

[popatim]

They aren't errors, they are what step the bios is in.
When having issue they can be useful to know at which step the issue is occurring.