ATI 3DRage QD3D Rave Engine
This is the engine for ATI Rage 128 cards. If you have a Rage card you should
select this option for your Rave configuration.
3dfx VSA-100
This is the engine for 3DFX cards. If you have a 3DFX card you should select this
option for your Rave configuration.
Other
If you have a different selection for your Rave engine, choose the one that is for
the card you wish to run Rave on.