Just to ad some confusion to this question...
I use the 15.084 driver and it works just fine in 1.46, but I use Win Me. I had to use the "autodetect" after upgrading, but after that it works just fine.
My specs.
ASUS A7V-133C
AMD XP1800+
256 MB SDRAM
Hercules 3D Phropet 4500 64Mb