Mixing 3200 & 4200

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BRO777

n00b
Joined
Aug 15, 2006
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I have a Dell optiplex with 2 x 256 ddr2 Pc3200 installed and I would like to install some PC4200 in the other 2 slots will it default and run at 3200?
 
as far as i know yes the memory will run at the lowest common denominator, i was put in the same solution a while ago also, i decided to simply buy 2GB pc2 -6400 RAM and discard the 512MB PC2-3200 ram that came with my pc
 
I am thinking of doing the same but the chip set only will let me run 533mhz. I think I will put 4x512 in it. thanks
 
how long do you intend on keeping that pc as your main desktop, because you sould really look into getting 2*1024MB instead just to leave the other slots open for future use if you plan on using it well into the future, i don't know for sure but i'm guessing it isn't a whole lot more to upgrade to 2*1024.
 
yes, i think i would just replace the 2x256mb with 2x1gb.. do you know what the FSB of your chip is?
 
just get pc2-5300 as its damn cheap anyways and if ur proc is running 800MHz FSB and ur dell dont like the higher speed ur system will just slow the mem down to 533mhz instead of 667 and u might get tighter timings cuz of SPD
 
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