Please help me installing more ram

Hewlett-packard / A1646x
February 14, 2011 at 16:26:42
Specs: win 7, amd 1.00GHz,1GB ram
I'm wanting to add more memory to my comp. I have a HP with two 512 MB memory (1Gig).. 500 gig HD.I also have two more slots for more memory.My son-in-law bought a box of comp. parts and two Patriot Mem. sticks were in the box along with somemore parts Here's all I know about the Patriot DDR. It's has Patriot DDR AW 000002 with Mem-DDR512pc3200 ....and on the same sticker 0524. I take this they are 512 MB of memory. correct me if I'm wrong What I'm wanting to know is, can I upgrade my memory by adding these to the extra two slots. I don't know what brand name of memory that in my comp now. Or does it make a diffrence of what brand of ram.Thanks

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February 14, 2011 at 17:10:59
Well in a perfect world all ram would match speed and manufacturer. You have not told us what kind is in your machine other than the amoung 2x512 but you do not mention what the patriots memory speed is 3200 and most likely what is called DDR I, there is DDR 2 and now DDR 3 and older SD ram. You need to power off completely the machine and take out one of sticks that are in yours so you can see what type (speeds do not usually have to match, the system will dumb down to the lowest speed). But you cannot mix ddr 1 with ddr 2 or ddr 3.....if you compare the stick you remove with the one you wish to install and the notch near the middle is in the exact same place they should work, if they don't, you cannot add them. The difference between them is only one notch space, but its all the difference in the world...if the notch does not line up with the ram will not install properly.....chances are if it installs properly it will work....assuming the sticks you have been given are any good. Some computers can be fussy and required matched ram modules, but most do not.

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February 14, 2011 at 17:29:07
Assuming you have an HP Pavilion a1646x, it uses DDR2, not DDR. The RAM you have won't work.

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February 14, 2011 at 20:03:05
Thanks for your reply. I'll check what I have.

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