Here is the answer from Firaxis:
quote
Try opening the Alpha Centauri.ini file found in your game folder and
changing the line
ForceOldVoxelAlgorithm=0
to
ForceOldVoxelAlgorithm=1
This should allow the game to run on the P4.
unquote
quote
Try opening the Alpha Centauri.ini file found in your game folder and
changing the line
ForceOldVoxelAlgorithm=0
to
ForceOldVoxelAlgorithm=1
This should allow the game to run on the P4.
unquote
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