An FX5700LE is not really all that powerful in terms of the needs of modern games. More RAM will certainly assist with BF2, which is about the first game for which more than 1Gb of RAM is recommended. Most users feel that 2Gb is really required for decent performance.
I'd be considering adding a 1Gb module of PC2700 or PC3200 to the rig, but you need to be mindful that your 5700LE really only performs at about the capability of an FX5200. The 'LE' means that it is a cut-down model. I'm sorry to tell you so, but I'm afraid that cutting corners with the cost of display cards really doesn't pay!
Catweazle
Grandad
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