Laptop Ram question

Hey guys,

I was wondering if their is ne way to tell what kind of ram my laptop uses without opening up the slot on the bottom?  I want to upgrade, so i need to know how many pins-- I already know its ddr2.  Another issue i have is that there is only 2 slots so i need to figure out if it has 2-512 sticks or 1-1gig stick.  Please let me know if there is ne way to figure this out without opening it up

Thanks