Adding More Memory To Lap Top???

I have a Dell Inspiron 8200 with 512 MB Ram. I would like to know if it is possible to add more Memory? If so, could you post a link on how to do this and what memory (card?) I would need? Thank You.

 

rED

 

System Specs:

i8200

pen 4

512 mb

ati radeon 900

64mb

uxga

40.00 gb

cd-rw/dvd

win xp pro