Memory not running at rated speed.


  1. Kamikazi2142
    Posts : 1
    Windows 7 Ultimate x64
       New #1

    Memory not running at rated speed.


    So, i first had a difficult time trying to figure out the details on my own, even after the college courses managed to royally confuse me on the simplicity of DDR.

    After reading through this nearly 2 year old thread (SEEN HERE) figuring the operating speeds was a simple reverse engineering of calculation used to get the rated speed...

    Ok, so now i know something is off.
    After a quick (not really quick) 3DMark test, the results post saying my RAM is running at 889Mhz (SEEN HERE)

    But my RAM is DDR3-2133 which should be 1066Mhz...

    Uh, right...

    So how do i manage to configure it to function properly? The BIOS says it is 2133, but windows is only using 889Mhz or the available 1066Mhz...

    I am fairly certain it is a windows related issue.
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  3. essenbe
    Posts : 26,869
    Windows 11 Pro
       New #2

    Please download and install CPU-Z CPUID - System & hardware benchmark, monitoring, reporting and then run it. Please post a screenshot of the CPU, Memory and the SPD tab. The SPD tab is for each Dimm slot. Just post shots of the slots with ram in them. This will tell you how to post screenshots.
    Screenshots and Files - Upload and Post in Seven Forums
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  4. rvcjew
    Posts : 1,992
    10 Pro x64
       New #3

    Make sure your bios is set to use the XMP profile for the sticks if you haven't. Await pictures like Essenbe said.
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  6. NoN
    Posts : 4,166
    Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
       New #4

    you'll have to set them manually or xmp in Bios with their rated factory Memory Speeds, Timings and Voltage.

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