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Thread: Can't create an XFast RAM drive greater than 8GB




  1. #1
    ananobes is offline Junior Member
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    Default Can't create an XFast RAM drive greater than 8GB

    Asrock X79 Extreme 9 m/b BIOS is latest at P2.30
    intel i7 3930K
    Asus Radeon HD 7870 DirectCU II
    G.skill PC-12800 RipjawsZ 64GB (8x8GB dual channel)
    Win 7 Pro
    LG BD-ROM
    Sandisk Extreme 240GB SSD boot drive on Intel X79 SATA3 controller
    Sandisk Extreme 240GB SSD on Marvell 9220 controller (SATA3_M1)
    Seagate Barracuda 3TB SSD on Marvell 9220 controller (SATA3_M0)


    ATXU Software is lastest version 0.1.146


    The system currently has only Windows, Chrome and a few utilities installed.


    With 64GB of memory, a lot of it will go to waste so I would like to create a very large RAM Disk for the usual reasons
    but also for very large temporary hd video files.


    I was planning on reserving 14GB for system memory leaving a very useful 50GB for a scratch disk


    However, I have only been able to create RAM disks up to 8GB and these have worked as expected.

    After selecting the disc size, hitting Apply and then Start buttons, the new virtual drive pops up and the Start button
    in the ATXU utility changes to a Stop button, the Drive Letter and Disc Size fields become locked and a
    message appears saying that: "the changes only take affect until after you restart the system".


    If I specify a disc size above 8192 MB, say 8193 or the preferred 51200 MB, select Apply and then Start it pauses for a
    few seconds then nothing else happens. No messages, the Start button remains and the input fields are still editable.
    Restarting at this point does not create any RAM drive.


    So, am I doing something wrong?


    ...... or is this another undocumented feature of the Extreme 9? (I have another post over missing Hyper Duo Plus
    and RAID options on the Marvell 9220 SATA3 controller so at the moment I getting a little suspect of my first Asrock m/b)
    Last edited by ananobes; 12-02-2012 at 01:30 PM.

  2. #2
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    Default Re: Can't create an XFast RAM drive greater than 8GB

    Try 16384 and see if that's allowed. It could just be a programming bug in AXTU/XFAST Ram.

    That's what I use here and have had no problem.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
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  3. #3
    ananobes is offline Junior Member
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    Default Re: Can't create an XFast RAM drive greater than 8GB

    Quote Originally Posted by - wardog - View Post
    Try 16384 and see if that's allowed. It could just be a programming bug in AXTU/XFAST Ram.

    That's what I use here and have had no problem.
    Thanks wardog.... tried 16384 but no go for me ..... flaky stuff

  4. #4
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Can't create an XFast RAM drive greater than 8GB

    I cannot find any information about a limit to the size of the ASR RAM Disk. The only thing I saw implied if you used a 32 bit OS (only using 4GB) with 32GB of memory, you would have 28GB left for the RAM Disk.

  5. #5
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    Default Re: Can't create an XFast RAM drive greater than 8GB

    Hmmm, I wonder ...........

    Windows key > Run > resmon

    Click the Memory tab and reply back what it states as Free under the linear graph.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  6. #6
    ananobes is offline Junior Member
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    Default Re: Can't create an XFast RAM drive greater than 8GB

    Quote Originally Posted by - wardog - View Post
    Hmmm, I wonder ...........

    Windows key > Run > resmon

    Click the Memory tab and reply back what it states as Free under the linear graph.
    I installed dataram's ramdisk program and had a 50GB ram disk up and running so it's not my memory.

    I'm playing around with windows 8 now so not able to try anything new just yet.

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