hi all, i'm new here

i install Ideneb 1.4v 10.5.6 on rig asus rampage extreme x48 board

config:
x48 chipset
Q9450
8800gts 640mb
160hd sata 300/16

after it boot i got this error:
'Failed to load extension com.apple.driver.AppleACPIPCI.

i try to -x and -v same error
in my bios i try to disable it, but same error
i also try this command line: acpi=off, same error

so if any one can tell me how fixit please let me no..

thanks

BF2142/ vipercatZ