Hi all, l ma newbie here. l want to add some more memory to my pc. This is what l have already. l am not sure on the Motherboard/chipset model. This is what l have written down. Intel Pentium 4 2.667GHz Socket 478 512KB 533FSB Gigabyte 8ST800 socket 478 DDR333 HTT Mainboard P4 series Motherboard GA-8ST800. Memory is 512MB DDR PC2100 ram 266 MHz. l would like to add another 512 ram, but l don't know what to buy, the best place to get it from and would it be easy for me to install. Any help would be great.