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Xtremeski48

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February 14th, 2008 12:00

4GB Memory only Rating a 4.8???

I have an XPS M1530, just got it last week. I ordered it with 4 GB 667Mhz DDR 2.  Now, in the Vista System Rating my memory rates a 4.8 wich is very odd to me because on my desktop PC that I built, I have 2GB of PC3200 DDR 400MHz and I get a rating of 5.0.  Also only 3.5 GB of the 4GB shows up. Any Ideas??

  • MVieiraII

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    Posted February 14th, 2008 12:00

    yea thats the norm....i have the same thing. not sure y ur desktop is getting a better rating wtih that ram...but compare 667 mhz ddr2 with the new ram thats coming out(which should be getting the top ratings) its understandable
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    Posted February 14th, 2008 15:00

    As for Windows not showing all 4GB... I assume you're using 32-bit Vista, if so this link has a good explanation of the problem.

  • MVieiraII

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    Posted February 14th, 2008 17:00

    even with 64bit u still only get about 3.5gb...with 32bit u get 3.18...or thats what i have seen on my laptop : p
  • moskovita

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    Posted February 14th, 2008 18:00


    @Xtremeski48 wrote:

    I have an XPS M1530, just got it last week. I ordered it with 4 GB 667Mhz DDR 2.  Now, in the Vista System Rating my memory rates a 4.8 wich is very odd to me because on my desktop PC that I built, I have 2GB of PC3200 DDR 400MHz and I get a rating of 5.0.  Also only 3.5 GB of the 4GB shows up. Any Ideas??


    Yep... unless your running 64 bit, that's all you'll get. I'm running only 3GB memory and I get 4.8
    All the other specs are 5.1 or better so the memory is the bottleneck here. I'm glad I didn't spring for 4GB  for another $100!
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    Posted February 14th, 2008 18:00

    Does it say 3.5 in the bios? Maybe Dell is slipping us old chipsets.

  • clay2young

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    Posted February 14th, 2008 18:00

    On my M1330, the RAM also rates at 4.8. Vista Home Prem 32bit reports 3.583 of RAM available.

  • AirChief

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    Posted February 14th, 2008 19:00

    Yes but then you are running a 1GB and 2GB stick together.  I understand that the two should be equal and the same.  Am I wrong?

  • tyrone8323

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    Posted February 14th, 2008 19:00


    @MVieiraII wrote:
    even with 64bit u still only get about 3.5gb...with 32bit u get 3.18...or thats what i have seen on my laptop : p

    you're wrong about 64-bit. with 64-bit, the memory support is increased but depending on the version of Windows Vista, 64-bit.

     

    Windows Vista Home Basic - 8 GB

    Windows Vista Home Premium - 16 GB

    Windows Vista Ultimate - 128+ GB

    Windows Vista Business - 128+ GB

    Windows Vista Enterprise - 128+ GB

  • eSolutions

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    Posted February 15th, 2008 16:00

    Do you have a page file set? If yes whats the min & max?

  • Grayhair53

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    Posted February 17th, 2008 08:00


    @AirChief wrote:

    Yes but then you are running a 1GB and 2GB stick together.  I understand that the two should be equal and the same.  Am I wrong?


    Dell offers a 3GB option, 1 2GB & 1 1GB. In the Dell Owners manual under the specs it says "In order to take advantage of the dual channel bandwith capability, both memory slots must be populated and must match in size".

     

    FYI: My 1330 with 3GB shows a 4.8 memory subscore.