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ASRock 970 Extreme3 not releasing ram to os

  • 23-04-2013 9:16am
    #1
    JJJJNR
    Closed Accounts Posts: 4,791 ✭✭✭


    I have a PC w/ ASrock 970 extreme 3 that has 16GB ram, yet when I go to my OS (ubuntu) it will only see 8GB, but when I fire a command at the OS it reports that there are 16GB ram installed but it is not released to the OS..

    Any ideas!


Comments

  • #2
    Fluffy88
    Registered Users, Registered Users 2 Posts: 1,414 ✭✭✭Fluffy88


    Not sure but this might help,
    http://www.cyberciti.biz/faq/ubuntu-linux-4gb-ram-limitation-solution/


  • #3
    JJJJNR
    Closed Accounts Posts: 4,791 ✭✭✭JJJJNR


    Thanks, should have mentioned im using the 64bit version of ubuntu... the bios is a few years out and will be doing the flash update this evening.


  • #4
    JJJJNR
    Closed Accounts Posts: 4,791 ✭✭✭JJJJNR


    sudo python check-my-memory.py
    check-my-memory.py - version: SJ 2013-02-22
    OK, you're root
    ANALYSIS:
    Total of physical memory modules found 16384 MB in 4 memory module(s)
    BIOS offers 8169 MB as usable
    Memory seen by OS 7966 MB
    BIOS version 11/17/2011
    CPU is PAE enabled
    CPU is x86_64 64-bit enabled
    OS is x86_64 64-bit

    SUMMARY:
    Memory difference between DIMM hardware and BIOS offering 8215 MB
    Memory difference between BIOS offering and memory seen by OS 203 MB
    Memory difference between DIMM hardware and memory seen by OS 8418 MB

    ADVICE:
    Your BIOS is not offering all of your physical memory. Try to update your BIOS, and/or enable 'memory hole remapping / hoisting' in your BIOS to get more usable memory

    Finally: show more detailed memory info from lshw. This can take up to 30 seconds ...
    description: System Memory
    size: 16GiB
    description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
    size: 4GiB
    description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
    size: 4GiB
    description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
    size: 4GiB
    description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
    size: 4GiB
    description: BIOS
    size: 64KiB
    capacity: 4032KiB

    I've also ran memcheck and it will pass all tests but only on 8GB!


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