> > Add the ATI Mach64 LT Pro on the Lombard Powerbooks (and some other
> > PowerMac HW IIRC) to that list of borken cards. In this case, we have a
> > MMIO region overlap the video mem region. How do the 2.2.x kernels handle
> > the bogus S3 sizes?
>
> The ATI Mach64 LT Pro problem is not a hardware problem but a software problem:
> incorrect/incomplete assignment of PCI resources by the firmware.
Firmware means MacOS here?? As long as we can't use yaboot on the lombard
(the comments on BenH's page suggest that) the effect is pretty much the
same and a workaround is needed. The problem will affect only a subset of
PowerMacs with the LT Pro though.
> The S3 problem is a hardware problem: the chip reports that it needs 32 MB of
> PCI memory space, while it needs 64 MB.
That's worse :-(
Michael
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