RAM issue

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  1. Posts : 906
    Win 7 pro 64-bit, Ubuntu 9.10 64-bit
    Thread Starter
       #21

    Dwarf said:
    Compare this image from my system to that from the first post in this thread. As you can see, they are both 64-bit systems with 4GB of RAM. Mine, however, is showing the full amount as being usable (it only says xGB usable if less than the installed amount).
    Attachment 52299
    Since you have already checked the settings I mentioned in my earlier post about Maximum memory: (you might like to double check),I can only think that it might be a BIOS setting.
    Alright, i double-checked, the settings are cool. So, i'll check out the BIOS settings. brb.
      My Computer


  2. Posts : 6,879
    Win 7 Ultimate x64
       #22

    One thing I haven't seen asked or mentioned seeing as you have 64 bit Ubuntu listed in your specs as well, what is it showing?

    If it is showing the same sort of thing as in Windows, then it is definitely a bios setting. Fun thing will be that with the computer being an Acer, there is a very good possibility that the setting in question (memory hole re-mapping, or similar) probably won't be there.
      My Computer


  3. Posts : 906
    Win 7 pro 64-bit, Ubuntu 9.10 64-bit
    Thread Starter
       #23

    NO, LOL I'M SUCH A FAILURE! GOD DAMMIT. I just checked the BIOS, it said i have 3gb of total memory. Thats not possible, i have 2x2gb sticks inside the system. I know, Stormy already told me to check that... Im such an idiot.

    Will check Ubuntu. Hold on.
      My Computer


  4. Posts : 906
    Win 7 pro 64-bit, Ubuntu 9.10 64-bit
    Thread Starter
       #24

    Hey ppl. Just rebooted and went to Ubuntu, and no network access! Ubuntu doesnt have a native tool to check system specs i think, so i cant give you those. Went back to windows, and the same thing! No network access! Posting from my laptop now, with another wireless network. Whats going on? Anyways, why does BIOS only show 3gigs?
      My Computer


  5. Posts : 6,879
    Win 7 Ultimate x64
       #25

    No idea what's going on with the wireless, but for the memory have a real god look through all the sections in the bios for anything to do with "memory hole remapping" or something with a similar name and if found set it to enabled.
      My Computer


  6. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #26

    As I tried to explain earlier, you have to distinguish between address space and real RAM. What you see discussed in most of these articles dealing with 32bit (like this one) is a mixture of both. And that's where the confusion comes in.

    In 32bit, the system definitely needs address space for the various functions described - even for a graphics card with it's own dedicated memory. But if it is an on-board graphics, it also needs real RAM because the graphics chip has no own memory. Thus the available RAM for the OS gets reduced (but it is mainly a matter of address space - where real RAM usage or address space usage have the same effect in 32bit).

    In 64 bit, address space is not an issue because the system may have up to 128GB (max. for Win7 Ultimate). However, if the system has an on-board graphics chip that needs real RAM, it will have to "steal" that from the e.g. 4GBs that are installed on the system. Thus even in 64bit you may have only 3.5GBs "usable" - meaning usable by the OS, the rest is used by the graphics chip.

    That, of course, is not so if you have a graphics card that has it's own memory - it only needs address space which it gets from high up (e.g. counting down from 128GB) and will not effect the 4GBs of real RAM. And the same goes for all the other system functions that need address space.
      My Computer


  7. Posts : 6,879
    Win 7 Ultimate x64
       #27

    whs all of that is a moot point if the bios doesn't support memory hole remapping, either by default (hidden but on), or by option in the bios. Here is mine with it turned off,

    RAM issue-memholeoff.jpg

    and with it on (which on mine is the default setting, and configurable in the bios),

    RAM issue-memholeon.jpg

    Edit: Looking further into the specs on that Acer,

    http://support.acer.com/acerpanam/de...nM261sp2.shtml

    there is a very good possibility that that option isn't going to be in the bios or supported, as from the looks of it that model shipped primarily with 32 bit only CPU's, making it mostly redundant to have/support it.
      My Computer


  8. Posts : 906
    Win 7 pro 64-bit, Ubuntu 9.10 64-bit
    Thread Starter
       #28

    stormy13 said:
    whs all of that is a moot point if the bios doesn't support memory hole remapping, either by default (hidden but on), or by option in the bios. Here is mine with it turned off,

    RAM issue-memholeoff.jpg

    and with it on (which on mine is the default setting, and configurable in the bios),

    RAM issue-memholeon.jpg

    Edit: Looking further into the specs on that Acer,

    Acer Support - Veriton M261 Series Specifications

    there is a very good possibility that that option isn't going to be in the bios or supported, as from the looks of it that model shipped primarily with 32 bit only CPU's, making it mostly redundant to have/support it.
    Yeah, it had some crap processor, i added this one. The model was cheap and supported dual-core so i took it. Anyways, I'll have a look at the BIOS tomorrow, and check out if it has that memory hole mapping thinggy. The internet thinggy is probably just a ISP failure. Thanks for all your help guys!
      My Computer


  9. Posts : 906
    Win 7 pro 64-bit, Ubuntu 9.10 64-bit
    Thread Starter
       #29

    Yeah, no such function in BIOS. So, no dice? 4gb is useless on this system?
      My Computer


  10. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #30

    stormy13 said:
    whs all of that is a moot point if the bios doesn't support memory hole remapping, either by default (hidden but on), or by option in the bios. Here is mine with it turned off,

    RAM issue-memholeoff.jpg

    and with it on (which on mine is the default setting, and configurable in the bios),

    RAM issue-memholeon.jpg

    Edit: Looking further into the specs on that Acer,

    Acer Support - Veriton M261 Series Specifications

    there is a very good possibility that that option isn't going to be in the bios or supported, as from the looks of it that model shipped primarily with 32 bit only CPU's, making it mostly redundant to have/support it.

    Good point Stormy. My explanations did assume that you have a proper BIOS. Of course, if you have some old box from a rummage sale, anything can happen - LOL.
      My Computer


 
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