Latest post Sun, Aug 24 2008 1:16 AM by jwrl. 3 replies.
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  • Fri, Aug 22 2008 3:57 PM

    • eclectic Rhody
    • Not Ranked
    • Joined on Sat, Sep 30 2006
    • Westerly, RI USA
    • Posts 5
    • Points 75

    Additional RAM - Mixing Chip Sizes?

    I'm running MC 3.0 and need to install 2 GB of additional RAM into my HP xw8200 workstation bringing my total RAM to 4 GB.

    My existing system has 4 512 KB memory chips installed. I can add either a pair of 1 GB memory chips or 4 512KB memory chips. Some vendors warn not to mix memory sizes while others assure me there is no problem mixing chip sizes.

    What do all you experienced (and scarred) wizards think?

    Thanks!

    Chris Sweitzer
    Wildwood Studios

    Hardware: HP xw 8200 workstation with dual xeon 3.20 GHz CPUs, 2.0 GB RAM, 160 GB + 500 GB internal SATA disks + Avid Mojo analog + Sony HVR-M15U HDV VTR... [view my complete system specs]

    Chris Sweitzer Wildwood Studios

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  • Fri, Aug 22 2008 9:52 PM In reply to

    • devjt2
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    • Joined on Fri, Mar 21 2008
    • Posts 10
    • Points 160

    Re: Additional RAM - Mixing Chip Sizes?

    In my experience, having differently sized memory modules is no problem. Although be sure to match the memory speed for each module.  For example, if you have two sticks of DDR2-800 and two sticks of DDR2-533 - all of the ram will then operate at 533mhz.

  • Sat, Aug 23 2008 5:23 PM In reply to

    • eclectic Rhody
    • Not Ranked
    • Joined on Sat, Sep 30 2006
    • Westerly, RI USA
    • Posts 5
    • Points 75

    Re: Additional RAM - Mixing Chip Sizes?

    Thanks - I'll search out a source that matches my existing memory speed of 400 MHz.

     

    Chris

    Hardware: HP xw 8200 workstation with dual xeon 3.20 GHz CPUs, 2.0 GB RAM, 160 GB + 500 GB internal SATA disks + Avid Mojo analog + Sony HVR-M15U HDV VTR... [view my complete system specs]

    Chris Sweitzer Wildwood Studios

  • Sun, Aug 24 2008 1:16 AM In reply to

    • jwrl
    • Top 25 Contributor
    • Joined on Thu, Oct 13 2005
    • Melbourne, Australia
    • Posts 8,392
    • Points 97,070

    Re: Additional RAM - Mixing Chip Sizes?

    eclectic Rhody:
    Some vendors warn not to mix memory sizes while others assure me there is no problem mixing chip sizes.

    It's quite true that you shouldn't mix memory sizes, but only if you mismatch within pairs.  For example, you cannot pair a 512 KB stick with a 1 GB stick.  As devit2 says, mixing sizes (as long as they're paired) is not an issue.  Mixing speeds definitely is.

    MC 7.0.4 - Asus P6T Deluxe V2 mobo - Intel i7 920 2.66GHz - Windows 7 Ult64 SP1 - nVidia Quadro FX 1800 - 16 Gbyte low latency DDR3 RAM - Internal 8 Tb... [view my complete system specs]
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