The DC7700 RAM limits

I have a HP DC7700 with the motherboard 0A54H.  It came with the 1 GB DDR2 PC2-6400(400MHz) memory stick.  I took 2 sticks of memory 1 GB DDR2 PC2-5300(333MHz) on an old PC and seems to work perfectly.

I was looking at the specs for the DC7700 and he says I can install DDR2 PC2-6400 (800 MHz).   I was wanting to add more, but as I understand it, 32 bit OS can support more 4GB and 64 bit OS can support up to 8 GB.

My HP 0A54H would be able to handle 8GB if I installed 64 bit OS?

Hello:

Yes it can.

4 x 2 GB memory PC2-6400 of CMT and LTS.  See page 10.

http://h18000.www1.HP.com/products/QuickSpecs/12543_ca/12543_ca.PDF

Since any processor in this PC has at least a 800 MHz front bus, I would not install memory PC2-5300, because it slows things down.

Tags: HP Desktops

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