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Thread: What is maximum amount of memory supported?

  1. #1
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    What is maximum amount of memory supported?

    3rd Generation Intel Core i7-3610QM Processor ( 2.30GHz 6MB L3 Cache - 4 Cores plus Hyperthreading )
    16 GB Dual Channel DDR3 SDRAM at 1600MHz - 2 X 8 GB

    This is my awesome System76 laptop. When I got it, I couldn't afford much for memory, was only able to get 16 Gb but now I've got some more cash and would like to max it out. Why? I've noticed that when you reach the point where your box is getting slow and you want a memory upgrade, there isn't any by that time remaining in the market for your machine. ...so I like to get this out of the way before I need it since i will eventually regardless.

    Question: How can I figure out how much memory these two DDR3 slots can handle? It's not explicitly mentioned in the BIOS. Is there a way to do this without cracking open the case to get the motherboard model number for reference?

  2. #2
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    Re: What is maximum amount of memory supported?

    Why do you not go on the System76 web site and look up your machine? Then you might see something like this

    Up to 16 GB 204 pin Dual Channel DDR3 @ 1600 MHz
    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  3. #3
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    Re: What is maximum amount of memory supported?

    Moved to the System76 Support sub-forum.

  4. #4
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    Re: What is maximum amount of memory supported?

    In Terminal, type:

    Code:
    sudo dmidecode
    That should tell you the maximum RAM supported for your motherboard. From: http://ubuntuforums.org/showthread.php?t=1224006
    System76 Serval Pro 7: Ubuntu 14.04; Dell Latitude D800: Lubuntu 14.04

    Ubuntu problems? http://www.googlubuntu.com/

  5. #5
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    Re: What is maximum amount of memory supported?

    Quote Originally Posted by grahammechanical View Post
    Why do you not go on the System76 web site and look up your machine? Then you might see something like this

    Regards.
    Well, The information I had posted regarding the hardware actually is a cut 'n paste from their site. I suppose I could bug System76 Support but IDK how long that support contract actually runs.
    You would think they would see this as a marketing opportunity to sell me some memory but it doesn't appear that they sell much in the way of individual parts.

  6. #6
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    Re: What is maximum amount of memory supported?

    It's already maxed out at 16 Gb according to System76 support.

  7. #7
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    Re: What is maximum amount of memory supported?

    Code:
    sudo dmidecode -t 16
    Will display max capacity

  8. #8
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    Re: What is maximum amount of memory supported?

    Hi

    You can get all the information with

    sudo dmidecode -t memory

    For total allowed memory, look on the memory controller.

    sudo dmidecode -t 5 | grep -i memory

    Kind regards

  9. #9
    Join Date
    May 2010
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    Re: What is maximum amount of memory supported?

    Quote Originally Posted by untrustytahr View Post
    Code:
    sudo dmidecode -t 16
    Will display max capacity
    ...
    Quote Originally Posted by matt_symes View Post
    Hi

    You can get all the information with

    sudo dmidecode -t memory

    For total allowed memory, look on the memory controller.

    sudo dmidecode -t 5 | grep -i memory

    Kind regards
    Wow, those commands are awesome and definitely going into my alias collection!

    ...and look what I found out despite what System76 was telling me:

    johndoa@machine:~$ sudo dmidecode -t 16
    [sudo] password for johndoa:
    # dmidecode 2.12
    # SMBIOS entry point at 0x000f04c0
    SMBIOS 2.7 present.

    Handle 0x0049, DMI type 16, 23 bytes
    Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 32 GB
    Error Information Handle: Not Provided
    Number Of Devices: 4

    Hmmm... what is meant above by 4 devices? Not memory slots, I hope because I only saw 2 when I had the case opened earlier. ...or could there be two more tucked away somewhere?
    Last edited by jcllings; May 20th, 2014 at 09:59 PM.

  10. #10
    Join Date
    May 2010
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    Re: What is maximum amount of memory supported?

    One question always leads to another. :-/

    OK so now what I am hearing is that only 8Gb per channel are supported and there are only 2 memory slots I've been able to find.

    Since the board only has 2 slots, it only supports 16Gb max but IMHO if the CPU supports 32 Gb, it seems illogical that the mobo would only support 16Gb max. I've seen plenty less logical hardware idiosyncrasies before though.

    How can I check what the maximum amount of memory per slot is?

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