Voodoo4/5 has a different method of byte-swizzling for big-endian hardware than 
the Voodoo3 - which isn't supported by the current tdxfb driver or by XFree86. I 
have been working on a fix for tdfxfb, and have had some success - but since I 
don't have any documentation, it's involved a lot of guess-work. I haven't looked 
at this for a while, but I could dig out the code again and supply a patch against
what I have got so far.

I have docs on Voodoo3 but I never got a hold of docs on Voodoo4/5. if 
someone has docs I really like to have them.

As to your other problem, I have two Voodoos working on my Mac with 2.6, so I 
would expect such a set-up to work on the Pegasos too. On PPC hardware, 
there should be no problem of conflicting VGA ports since the PCI sub-system can 
remap I/O ports on the PPC.

Nice :-)




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