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dumb memory question

AndyJay

Senior member
I'm not a complete newbie, but rather someone who doesn't really keep up with hardware until I'm going to upgrade. I just ordered a new cpu/mobo/ram and realized I made a mistake after it shipped. The CPU I got was a Barton 2800+ with 333mhz fsb (I didn't realize this until it shipped), but I got PC3200 memory. Two questions: 1.) can I still use the PC3200 memory with a 333mhz FSB processor, and 2.) if I later get more memory, can I mix PC3200 and PC2700? I would *think* the memory will just be downclocked to 333mhz and work fine, but I'm not sure about mixing. I guess I could just get more PC3200 whenever I do get more memory.

Anyway, any help is appreciated.
 
You're fine using PC3200 at the 333MHz FSB, and you can mix it with PC2700 too. I'd use at least 2.6 volts when using PC3200 since I see people having stability issues when using it on Auto voltage (2.5 volts typically). Have fun with your new rig and make your memory run at DDR333 for sure... I did a little test running Unreal Tournament 2003 Demo and the framerate really does drop significantly if I run the RAM out-of-sync with the CPU bus... about 20% lower, on the Botmatch results.
 
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