I notice in -ati's AGPMode quirk table that this hostbridge already has a number of quirks against it, so am guessing that setting in his xorg.conf is fairly necessary; setting the migrationmode to greedy probably also helped considerably in restoring the performance but that's a separate issue.
I notice in -ati's AGPMode quirk table that this hostbridge already has a number of quirks against it, so am guessing that setting in his xorg.conf is fairly necessary; setting the migrationmode to greedy probably also helped considerably in restoring the performance but that's a separate issue.