ProSavage4 features:
! Full internal AGP 4x performance
! Optimized Shared Memory Architecture (SMA)
! 8 / 16 / 32 MB frame buffer using system memory
! Floating point triangle set-up engine
! Significant internal architectural upgrades
! Single cycle 128-bit 3D architecture
! 8M triangles/second setup engine
! 140M pixels/second trilinear fill rate
! Microsoft Direct X texture compression
! Next generation, 128-bit 2D graphics engine
! Support for flat-panel monitor
! 2D/3D resolutions up to 1920x1440
! 3D-rendering features
! 2D-hardware-acceleration features
! Motion video architecture
! Extensive LCD support
! Integrated 2-channel, 110MHz LVDS interface
! Support for all resolutions up to 1600x1200
the ProSavage8 is the same but expanded to internal AGP8x performance
T&L = Transformation and Lighting
If there is an AGP slot I'd recommend getting a cheap card like GeForce FX5200 or a Radeon 9200