[Nouveau] Nouveau won't load with GeForce 6150SE nForce 430 (NV40)

[Grant]

>>> I can't seem to get nouveau to load with my onboard GeForce 6150SE
>>> nForce 430 which I believe is an NV40 chip.  I enabled DRM and
>>> DRM_NOUVEAU in the kernel but lspci -v doesn't show any kernel driver
>>> in use and Xorg fails to load the module.  It does work with the
>>> nvidia driver.  I'm using Gentoo.
>>>
>>> Should nouveau work with my card?  If so, any idea what I did wrong?
>>>
>>
>> Please attach a  full dmesg.
>
> I switched everything over to nvidia, then back to nouveau, and lspci
> -v does show the nouveau kernel module in use but X doesn't start
> properly.  The workstation is remote to me and the report I received
> upon starting X was that the screen image was "scrambled" and
> completely unrecognizable.  I've attached a full dmesg and Xorg.0.log.
>
> - Grant

Any idea on this?  Do you need more info?

- Grant