Windows 10: Half RAM allocated to "Hardware Reserve"

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  1. Posts : 10
    Windows 10 Home
       25 Feb 2016 #1

    Half RAM allocated to "Hardware Reserve"


    Hello everyone. I really hope you can help me. I'm at the end of my rope.

    First off, my specs:
    Gigabyte 990FXA-UD3 mobo
    AMD FX 8350 CPU
    2 x G skill 4 GB sticks
    EVGA 660 Ti GPU
    OS on SSD
    2 x 1 TB mechanical drives

    Only half my RAM is showing as usable. The rest is shoved into hardware reserved. It doesn't matter what channels I use or even what RAM I use, it cuts whatever is in there by HALF. I even tried 4 sticks, cuts 16GB into 8GB.

    I've tried CLEAN installs of Windows 10 AND 8.1, still cuts in half.

    I've send mobo back to gigabyte, they tested and found no problem.

    I tried a different CPU, still cut in half.

    I tried different GPU, still RAM halved.

    I've tried editing registry, unchecking that box for "maximum memory" in the msconfig boot menu. I've looked all through the BIOS and tweeked different settings. Nothing.

    I'm hoping someone can help. I don't know what else to do here.

    Included are screenshots.
    Click image for larger version. 

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      My ComputerSystem Spec

  2.    26 Feb 2016 #2

    Try checking some BIOS options (memory hole and the such). You might want to upgrade BIOS if possible (but check the manufacturer's site first for a changelog).
      My ComputerSystem Spec

  3.    26 Feb 2016 #3

    I saw this snippet: change the BIOS setting for Frame Buffer Location from [Above 4G] to [Below 4G}... and now i have 1MB in HW reserved and not 4G. Windows sees all *G as usable
      My ComputerSystem Spec


  4. Posts : 10
    Windows 10 Home
    Thread Starter
       26 Feb 2016 #4

    eLPuSHeR said: View Post
    Try checking some BIOS options (memory hole and the such). You might want to upgrade BIOS if possible (but check the manufacturer's site first for a changelog).
    BIOS is updated to latest version and I triple checked all my other drivers to make sure they are up to date.
      My ComputerSystem Spec


  5. Posts : 10
    Windows 10 Home
    Thread Starter
       26 Feb 2016 #5

    pete1208 said: View Post
    I saw this snippet: change the BIOS setting for Frame Buffer Location from [Above 4G] to [Below 4G}... and now i have 1MB in HW reserved and not 4G. Windows sees all *G as usable
    I have not seen this before and is not something I've tried, I will try this when I get home.
      My ComputerSystem Spec


  6. Posts : 10
    Windows 10 Home
    Thread Starter
       26 Feb 2016 #6

    pete1208 said: View Post
    I saw this snippet: change the BIOS setting for Frame Buffer Location from [Above 4G] to [Below 4G}... and now i have 1MB in HW reserved and not 4G. Windows sees all *G as usable
    Alright no good, I don't see anywhere in the BIOS where I can change this value. I've looked everywhere and also google searched, got nothing.
      My ComputerSystem Spec


  7. Posts : 10
    Windows 10 Home
    Thread Starter
       26 Feb 2016 #7

    Update I tried another OS on another hard drive, same thing.
      My ComputerSystem Spec


  8. Posts : 890
    Windows IP 16176 Windows 14393.953
       27 Feb 2016 #8

    Have you checked the memory modules individually by taking both out, insert one at a time in both sockets, switch them around and see how they behave, make sure they don't have any bent pins and inserted fully.
      My ComputerSystem Spec


  9. Posts : 10
    Windows 10 Home
    Thread Starter
       27 Feb 2016 #9

    brummyfan said: View Post
    Have you checked the memory modules individually by taking both out, insert one at a time in both sockets, switch them around and see how they behave, make sure they don't have any bent pins and inserted fully.
    Yes, I've even tried different RAM sticks and bought brand new ones.
      My ComputerSystem Spec

  10.    27 Feb 2016 #10

    I have almost same configuration and this is what it looks like here:
    Click image for larger version. 

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    May be important that I'm using BIOS, not UEFI.
      My ComputerSystem Spec


 
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