http://bbs.pcbeta.com/viewthread-1635810-1-1.html
http://ibiji.org/post/26.html
破解 Vbox 下OS 限制登录
VBoxManage.exe modifyvm "OSX" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata "OSX" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage setextradata "OSX" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage setextradata "OSX" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Apple"
VBoxManage setextradata "OSX" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
VBoxManage setextradata "OSX" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1