-> Moved from FAQ to the correct Support section...
If you install VoodooHDA + AppleHDADisabler kexts, you should then see details of your Codec in DPCIManager app.
Battery monitoring needs, at least, Rehabman's ACPIBatteryManager kext.
NB: Do think of resizing your pictures before you attach them because 3000+ x 2000+ is not exactly suitable. Reduce to something like 800x600 or 1024x768. That's usually more than enough.