downgrade GA-Z87X-UD3H BIOS ?
Hi,
I search but cannot find any information about BIOS downgrade, or I maybe missed it......
I have a GA-Z87X-UD3H, I installed the latest bios F9.
Since the OSX boot is extremly slow :crazy: I do have 10.9.3 on an SSD
Is it a known issue ?
So I decided to...