Question about HP Pavilion dv1000 Notebook

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Upgrading my laptops memory

I want to up grade the memory on my HP DV1000 to 1 GB, do I need to put two 512 simms or one 1 GB simm card?

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  • rdiaz_aci Dec 13, 2008

    h2h thank you for the excellent response. this sure helps us dummys


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Hi rdiaz_aci,

The HP DV1000 has two slots for memory modules - you can either use one 1GB module and leave the other slot empty or use two 512MB modules. There should be no difference in performance, but I usually recommend having more than one memory module in your PC at any given time. Here's why:

It's true that the cost of a 1GB module is slightly less than the cost of two 512MB modules (only a $5-10 difference), but in the event of a memory failure or defect, if you have two 512MB modules, you can remove the defective one and run the PC on the other one. But if you have only one module and it fails, the computer will be inoperable. That means you won't even be able to boot up and figure out what's wrong.

I think that the extra $10 is well spent because it gives you the safety net (and avoids the headaches that you'll have if your only chip fails.

Having said this, the dv1000 should already have two 256MB modules installed. If you replace one of them with a 1GB module and leave the other one in place, you get the best of both worlds - the 256 will allow you to boot up in the event the 1GB fails, and the total memory will be more than the 1GB module would give you alone. FYI: the dv1000 can accommodate up to 2GB of memory.

For your reference, here is the link to the manual with instructions on how to replace the memory modules:

I hope this helps - please let me know if I can be of any further assistance.


Posted on Dec 13, 2008

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If it has two simms slot available you can, but I suggest better use the 1GB

Posted on Dec 13, 2008

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