My laptop was delll latitude D600 has only 256 MB of RAM and with so little RAM (how bizarre!) He rowed. By adding this DDR, it now has 768 MB and no longer train at all. Again, it's weird, the greater the ram, the less oar.
Feel free to improve your laptop for such a small amount! I said that the different capacities on each slot are accepted. I have a 256 home and I added a 512 PC 2100 BUT!