>>665
関係ないとは思うけど10.7.2のHCLにこんなことが書いてあったよ
Z68 Extreme 3 Gen 3 :
Must boot iatkos l2 using -v, might sit on saying could not find bootcache. Let it sit for about 5-10 mins, it will come up with the installer.

とりあえずChimera Boot Screenで-vやってみて、同じかどうかしらべたら？？