I don't know is a very good advice, or maybe you have try it already. I've looked on dell website and there is no driver for 2003. Maybe if you try NT driver version. Or, on product page:
http://www.dell.com/us/en/dfh/deskto...20&cs=22&s=dfh there are some technical infos like video, sound etc. Maybe you can find the drivers one by on manufact. page.