This does not enable the 256bit memory bus. On all 9500 cards using 9700 PCBs the memory bus is already 256 bits. This does also not enable overclocking- do this with warp11's bios.
Choose the right patch for your driver or download the driver too:
Driver (unmodified, for WIN2K/XP only) Warp2 .... www.maxdownloads.com for the patch.
WARNING:- USE IT AT UR OWN RISK !!![Donate me a Radeon9500 and i will try ;) ] News-Source:- Xbitlabs.com