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Inserting different RAM types

Intel D865gbfl motherboard
May 2, 2010 at 02:51:46
Specs: Windows XP
My system currently has a 256MB RAM. I need to install a 512MB RAM of the same type. Is it safe for the motherboard and which slots to install the 2 RAMS to get the maximum out of them? Will the 512MB RAM slow down to 256MB RAM speed?

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May 2, 2010 at 03:37:18
You ask a question that is impossible to answer. The size of the RAM has nothing at all to do with the speed and you tell us nothing of what type of RAM and what it's speed is.

Generally slower RAM will slow down faster RAM as all RAM in a system has to operate at the same speed but not all RAM is capable of operating at a lower speed that it is designed for.


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May 2, 2010 at 05:13:02
Both the RAMs (256MB & 512MB) are Kingston KVR333X64C25. Speed is 333Mhz.
What I asked was is there any methodical order to install them in the DIMM 0 or DIMM 1 slots to get the best out of it? 512MB RAM in DIMM 0 slot and 256MB RAM in DIMM 1?

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May 2, 2010 at 08:08:33
Generally makes little difference which slot they go in as long as they are the same in every other respect. You might shave a few milliseconds of the boot time by putting the larger RAM in Slot 0.

There are some motherboards that insist on the larger RAM going in the lower slots. The motherboard manual will tell you if that is the case.


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