q1. pc3200 memory runs at 400mhz (3200/8 chips on the module=400).the memory will only run up to its rated speed regardless of system fsb. ie in a 400mhz fsb system, pc3200 memory will run at 400 mhz. in a 800 mhz system it will still run at 400 mhz. in a 333 mhz system it will run at 333 mhz.
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