ull speed performance for plase change smbios.plist file:

Change mac type to MacPro5,1 because:

Edited speed lines in AppleGraphicsPowerManagment.kext ; MacPro5,1lines.

Delete This KEXT :

System --> Library -->> Extensions ;

AppleTyMCEDriver.kext because:

Start with MacPro5,1 = kernel panic | solution = delete this AppleTyMCEDriver

And switching very very fast no freeze in tab switch for fast speed = delete this folder in System --> Library --> Extensions AppleUpstreamUserClient.kext

" This driver only all Nvidia GT 430 GPU Models - Lastest Chameleon or Clover bootloader auto detect your GPU, no need enabler - Lastest CUDA speed up yourgraphics. "

Note 1 : Resolution & refresh rate change perfectly work and glass menubar = %100 working your gt 430 card.

Note 2 : OS X Snow Leopard 10.6.8