I always thought this was funny because in the Manual for a GX50 it shows Windows XP and the benefits of it etc.....

Win2000 drivers USUALLY work with XP but you will probably only need the video chipset driver, which you can get from Intel, ( http://www.intel.com/support/chipsets/sb/cs-009231.htm)

and maybe the audio driver ( http://www.nodevice.com/driver/AD1885/get32845.html ).  The rest should work with XP native drivers.