Special default single core booting bios here

It is same as the normal bios . just boot 1 core as default .

It might save the core damaged chip , then u can bench 1~2 core only.

Z87 OCF : http://picx.xfastest.com/nickshih/as...87OCFa174a.rar

Z87M OCF : http://picx.xfastest.com/nickshih/as...87MOCF155a.rar

Z87 OCF/AC : http://picx.xfastest.com/nickshih/asrock/Z87OCF183a.rar