I recently found some registry settings to allow task offloading in windows xp. for tcp checksum info and so on my question is what cards support this, the few that i have found are expensive and have many other fetures like des/gigabit.

http://msdn.microsoft.com/library/de...9offl_0wdj.asp
http://www.xptuneup.com/tip0150.htm#marker148