I need to upgrade the RAM, not to replace. The Ram stick inside the console is just 521mb, I need it to be faster and decide to buy more. Please advise is it possible to upgrade to 1gb or 2gb of RAM? My Pearl Expert having sudden hang the console problem and a guy told me that it because of the RAM....

Hi There,
Im from Vietnam and own one Pearl Expert. Can I replace the Kingston 512 MB PC2-3200 DDR2 RAM (kvr400d2n3/512) inside the console with something faster like DDR2 1.0GB bus 667 (PC2-5300) Kingston or DDR2 2.0GB bus 800 (PC2-6400) Kingston.
Please advise asap.
Many thanks