I install iatkos 5i to non system 500gb seagate
and switch boot drive with F12 (windows xp on promise sas raid)

select that options:
- pci efi v9
- apple decrypt
- smbios-efi
- 9.5.0 kernel voodoo
- disabler kext
- ohr
- vga efi string for my video - (only that mode it works full for me - no select drivers)
- intel sata
- intel speedstep b
- realtek 8139
- broadcom440x - select both - woks fine (one of them but don't know - select both)

PS
Before that, i try jas 10.5.4 and cant get qwartz extreme for video (even screensaver like slideshow) but it runs bf42 ask for serial and give a black screen. razer mouse work terrible little better with steer mouse
Now video work full and smooth, mouse works much better from the start, but bf 42 wont go even with black screen or ask for serial
may be sound device can help?

system:
q6600 run at 3,59
4gb osz 800 run at 998
msi diamond plus 8600gts 512mb
+sas and sata drives