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I have a HP Compaq Presario CQ56-103ST laptop and I want to learn whether it uses DDR2 or DDR3 RAM.
In its official web page, it is said that it has 3 GB DDR2 (1 x 1024 MB + 1 x 2048 MB).
(Obviously not so. It has only 2GB of RAM installed in a single slot.)In this page, it is said that it uses DDR2 PC2-6400, DDR2 (non-ECC).
Windows says that memory size is 2GB, doesn't tell about its type.
(Yes, it is indeed 2GB.)
It looks like to be DDR2, but I can't make sure about that. I don't have the user manual of the laptop with me right now. Can anyone please confirm it for me? I'm going to purchase new RAM units, I need to know the RAM type. If I order a wrong type of RAM, it will be a lot of trouble for me.
possible duplicate of How do I identify hardware I am unfamiliar with on my computer?
– Nathan2055 – 2014-10-25T18:05:52.150How to know how many channel supported? my loptop is Asus N56DP. – Dr.jacky – 2015-10-22T12:31:43.297
You read the laptops manual. For currently sold laptops it usually is up to 2 channels. – Hennes – 2015-10-22T12:53:41.240
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