文章中 Gigabyte 已經承認它的 Z68 ( 及 P67 ) 底板如果裝上 Ivy Bridge K 系 CPU 是會有樓主所遇到的問題,所以看來我的猜測是正確的。
"We are aware of the situation that limits some overclocking settings on GIGABYTE 6 series motherboards and 3rd generation Intel (Ivy Bridge) CPUs. We are currently developing a new BIOS for these boards to resolve this issue and plan to make them available in the next week or two." - GIGABYTE HQ in Taiwan