My bench is a Retrogaming/retrocomputing benchmark:
P3@800 Mhz
128 MB PC133
built-in audio
i used Radeon 7500LE, Radeon 9200SE, Radeon 9600XT and Geforce 2 MX.
My other card don't work: Radeon 7000VE AGP, Radeon 7000 PCI, TNT2m64.
maybe i can test with some Rage IIc, S3Trio 3D 
Q3A running entirely on CPU e.g. Intel Core 2 Duo T7500.

demo001 @ normal settings, results in 32 FPS.
To use Swiftshader X86 JIT Direct3D9b render, I used MESA-to-D3D API bridge.
Works well in Windows Terminal Server.