Laptop memory question

  daisy2bell 10:10 03 May 2010

Have just been on the crucial site to see about upgrading my memory on the laptop.

Crucial came back with the following advise:
Each memory slot can hold DDR2 PC2-5300 with a maximum of 1GB per slot.

My question. I recently upgraded my notebook memory, and have a spare 1 GB 2Rx16 PC2 6400s-666-12-A3 memory stick.

Can I mix the 2 memory sticks? i.e. the one from crucial, and the spare one I already have?


  howard64 11:03 03 May 2010

most notebook memory is not the same as that used in desktop pcs. The ddr2 notebook memory is approx 4" [100mm] but desktop ddr2 is about 6" [150mm]. If the memory is physically the same size and no. of pins whatever you put in regardless of make will work but at the speed of the slowest one.

  daisy2bell 11:23 03 May 2010

I want to upgrade the laptop memory, not a desktop.
Sorry if I caused any confusion.

  bremner 11:34 03 May 2010

howard64 was only pointing out that there ia more than one physical size of memory.

From what I can see the spare stick you have is for a laptop. As he says you can try it but it will only run at 5300 not 6400

  daisy2bell 11:57 03 May 2010

Howard64 and bremner, thank you both. I hope you didn't think I was being rude with my first reply.
I will get 1 stick, and give it a try with the spare one I've already got.
Thanks again, and I will tick this as resolved.

  daisy2bell 15:17 03 May 2010

Well I've got both in now and it's working ok.
Thanks again

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