Currently Being ModeratedMar 11, 2013 9:03 AM (in response to Bert Knabe)
Should have done a little more research before asking. If I understand correctly, the slot in the Xserve is AGP 4x and the NVidia card I have is 1x, so it won't work.
I have a PCI RAGE 128. I'll give it a try. The worst that should happen with that is OS X not having drivers so it doesn't work.