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

    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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ID:	66381Click image for larger version. 

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Size:	32.1 KB 
ID:	66380
      My ComputerSystem Spec
  2.    26 Feb 2016 #2
    Join Date : Jul 2015
    Posts : 901
    Windows 10 Home x64

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

    Quote Originally Posted by eLPuSHeR 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.    26 Feb 2016 #5
    Join Date : Feb 2016
    Posts : 10
    Windows 10 Home
    Thread Starter

    Quote Originally Posted by pete1208 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.    26 Feb 2016 #6
    Join Date : Feb 2016
    Posts : 10
    Windows 10 Home
    Thread Starter

    Quote Originally Posted by pete1208 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.    26 Feb 2016 #7
    Join Date : Feb 2016
    Posts : 10
    Windows 10 Home
    Thread Starter

    Update I tried another OS on another hard drive, same thing.
      My ComputerSystem Spec
  8.    27 Feb 2016 #8
    Join Date : Dec 2013
    England
    Posts : 964
    Windows IP 17046

    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 ComputersSystem Spec
  9.    27 Feb 2016 #9
    Join Date : Feb 2016
    Posts : 10
    Windows 10 Home
    Thread Starter

    Quote Originally Posted by brummyfan 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
    Join Date : Jul 2014
    Serbia
    Posts : 10,634
    W10 Insider + Linux

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

Name:	RAM1.JPG 
Views:	10 
Size:	205.3 KB 
ID:	66658
    May be important that I'm using BIOS, not UEFI.
      My ComputersSystem Spec

 
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