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Thread: How many types of ram are there?




  1. #1
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    Default How many types of ram are there?

    Please bare with me my name is learning. I'm trying to upgrade the ram on an old HP compaq pc which came with windows ME in 2001. I haven't gotten the numbers off it yet because it's being sent to me. As I search for memory sticks for sale I notice there only seems to be 2 types. sd and DDR. Ane when I refer to the pc number I believe that would be the speed. I see DDR that is pc4200 and I asume thats 4200 mhz then I see DDR that is pc2-4200. Don't know what that means. When I find out the FSB of the motherboar that should tell me if I can run sd100, 133 ext right? Am I right about this or does this have nothing to do with memory? I also have questions about size 256, 512 but that can wait till I get some model numbers.
    Thanks Tom
    Last edited by learning; 08-01-2010 at 02:09 AM.

  2. #2
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    Default Re: How many types of ram are there?

    In the last decade or so there has been a lot of different ram specs (sd, ddr, ddr2, ddr3. rdram, etc. as well as a multitude of speeds and sizes for each). Your best bet is to wait until you have the unit in hand and then do some research for your particular model. Most boards are limited in flexibility regarding maximum ram size as well as speed and form factor so you need to know exactly what your particular computer requires.
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  3. #3
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    Default Re: How many types of ram are there?

    Here's a handy chart of most computer parts to help you identify the ram type also, once you get your hands on it.

    Computer Hardware Chart | Technibble

  4. #4
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    Default Re: How many types of ram are there?

    And here's another link that may help you.

    DDR MEMORY RAM, DDR PC2100, PC2700, PC3200, PC4200. DDR RAM Memory

  5. #5
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    Default Re: How many types of ram are there?

    Thanks Bam, that website was great now it's easy to identify

  6. #6
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    Default Re: How many types of ram are there?

    I recieved the computer today and it is a HP compaq presario 5000 model 5bwme2. The north bridge is FW82810E The I/O controler is FW82801AA. with this info I tried to determin what motherboard is used, so I can see what upgrades can be made. HP's websight was of little use since they list different configurations of the same model number and give no motherboard specs. I believe it's an Intel motherboard but there are no markings that yeild. Any help would be deeply appreciated.
    Tom

  7. #7
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    Default Re: How many types of ram are there?

    Also this motherboard has a PGA370 socket with a celeron processor. I'd like to replace it with a 1 GHZ P3 but again dont know if it will support it. the celeron is 800/128/100 if I understand this correctly the 800 = the speed as in 100 mhz 128 KB is the cache and the 100 is support for FSB. Please correct me if i'm wrong. HP's websight says I can upgrade to a pentium III 1ghz 133 FSB. I just don't know what system buss means. any help?
    Thanks Tom
    Last edited by learning; 08-06-2010 at 10:39 PM.

  8. #8
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    Default Re: How many types of ram are there?

    I take it this machine is still in working order? If so, you could try running something like Everest to determine motherboard model etc.

  9. #9
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    Default Re: How many types of ram are there?

    Thanks I'll try this

  10. #10
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    Default Re: How many types of ram are there?

    I finaly found the specs for the motherboard 6513WU and I hope my problems are over. I'll upgrade to Pentium III and install 512 mb of sdram at 133mhz.
    Thanks Tom

    1


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