I still on 064 and all work fine (windows 7 x64) may I know if the 066 is worth update or buggy bios?
Tadashi Dalba, we always recommend customer to update the BIOS only if it is necessary. If your system is working as expected, a BIOS update is not needed.
These are the fixes included on BIOS v66
For more complete information about compiler optimizations, see our Optimization Notice.