Windows 10: Installed memory: 8GB (6GB usable) - 2 GB is Hardware Reserved

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  1.    03 Mar 2018 #21

    ThrashZone said: View Post
    Hi,
    You'd have to refer to the mother board manual, Some will only allow 2 designed slots to be used.
    I'm not very savvy so I've attached the page from the manual discussing this. Can't tell if it would only allow two slots.

    Click image for larger version. 

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      My ComputerSystem Spec


  2. Posts : 11,852
    Windows 10 (Pro and Insider Pro)
       03 Mar 2018 #22

    shobuddy said: View Post
    I'm not very savvy so I've attached the page from the manual discussing this. Can't tell if it would only allow two slots.

    Click image for larger version. 

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    This configuration just indicates slot to be used, if running dual or 3 channel. Single stick run as single. At the bottom it's saying one stick goes into 1st slot.

    Motherboard could be a problem. Load optimized defaults again, or even reflash the latest BIOS. Check CPU again (I know you did) - some of CPU's pins are controlling the memory.

    Edit: take care, that slot 3 and 4 are populated with same memory sticks. You said you bought same type, but they are different. No chance you're gonna get the same chips after 4 or 5 years.
      My ComputerSystem Spec

  3.    03 Mar 2018 #23

    AndreTen said: View Post
    This configuration just indicates slot to be used, if running dual or 3 channel. Single stick run as single. At the bottom it's saying one stick goes into 1st slot.

    Motherboard could be a problem. Load optimized defaults again, or even reflash the latest BIOS. Check CPU again (I know you did) - some of CPU's pins are controlling the memory.
    Thanks, I've tried both fail-safe and optimized defaults for the BIOS. I've also re-flashed the latest BIOS which I was already on. I even flashed to a newer beta BIOS that was available but it didn't help so went back to the latest stable release. Will check the CPU pins again.
      My ComputerSystem Spec


  4. Posts : 11,852
    Windows 10 (Pro and Insider Pro)
       03 Mar 2018 #24

    shobuddy said: View Post
    Thanks, I've tried both fail-safe and optimized defaults for the BIOS. I've also re-flashed the latest BIOS which I was already on. I even flashed to a newer beta BIOS that was available but it didn't help so went back to the latest stable release. Will check the CPU pins again.
    Think you've done everything there is to be done. Check about same sticks again (in slot DDR_3 and DDR_4).


    One more thing to check: in Advanced Chipset Configuration check UMA Frame Buffer Size. If there is something like that.. This is memory for integrated graphic. Don't know if your CPU has it at all..
      My ComputerSystem Spec

  5.    03 Mar 2018 #25

    AndreTen said: View Post
    Think you've done everything there is to be done. Check about same sticks again (in slot DDR_3 and DDR_4).


    One more thing to check: in Advanced Chipset Configuration check UMA Frame Buffer Size. If there is something like that.. This is memory for integrated graphic. Don't know if your CPU has it at all..
    I looked high and low and found nothing in the BIOS for Advance Chipset Configuration. Even so, when I had 4GB of memory, it was all usable, nothing reserved for hardware/GPU.
      My ComputerSystem Spec


 
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