I wondered if there was a website dedicated to the Prophet 4500 Graphic card, for like drivers, tweaks etc.

LMK

Cheers

http://www22.brinkster.com/ivanf/ivanfkyro.html
here is the only one I could find.
And here are the drivers:
http://www.hercules-uk.com/drivers/graphics/4500_drivers.asp

The second link was blocked by the company where I work, but it looked like the right one by viewing it using Google's "cache" feature. I hope this helps