On modern mainboards, voodoo is not fast enough to process data faster than they come from a mainboard unless buffer state is checked as it should be (due to the official 3dfx .PDF) and in case of PCIe damage, no voodoo cards can be used for those mainboards.
The solution is here http://www.lubuntu.ru/forum/viewtopic.php?f=12&t=523&p=9941#p9902
First block of code is "before" and second is "after". Not to be confused with another pair of blocks later on the page.
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