Doom 3 running on a voodoo 2

[[U.S.C] Amaryl]

No idea if this has been posted but I saw this a few days ago someone trying doom 3 running on a 2 ghz cpu and a voodoo 2.
graphics looks like crap but making the game running with that card is impressive.
http://www.3dfxzone.it/enboard/topic.asp?TOPIC_ID=1462