Bootcamp Windows 7 Ram problem

Discussion in 'Windows, Linux & Others on the Mac' started by berrykerry789, Feb 19, 2010.

  1. macrumors newbie

    Joined:
    Oct 19, 2009
    #1
    I installed Windows 7 on my macbook via bootcamp, but when i right click on my computer, and went to properties, it gave me a "Unstable Ram" message next to the 2 gb of Ram.
    [​IMG]
    Whats wrong?:confused::confused::confused:
     
  2. macrumors P6

    MacDawg

    Joined:
    Mar 20, 2004
    Location:
    "Between the Hedges"
    #2
    It says "usable" not "unstable"
     
  3. macrumors regular

    Joined:
    Sep 17, 2007
    #3
    and i think that is because x86 windows only recognizes 2gb.
     
  4. macrumors P6

    MacDawg

    Joined:
    Mar 20, 2004
    Location:
    "Between the Hedges"
    #4
    I believe that is correct
    The 64 bit Win7 will recognize more
     
  5. thread starter macrumors newbie

    Joined:
    Oct 19, 2009
    #5
    ok, so it read it kinda wrong... but what is the problem? i should have 2 gigs... windows 7 recommends 2 gigs and i only have 1.73 gigs of ram...
     
  6. macrumors 601

    ayeying

    Joined:
    Dec 5, 2007
    Location:
    Yay Area, CA
    #6
    Your video card uses 256MB of ram. It is shared with the system ram. This is regardless if you have the 9400M or 9600GT enabled, 256MB of system ram will ALWAYS go to the 9400M.
     
  7. macrumors regular

    Joined:
    Jun 8, 2009
    #7
    Well, the OP never said how much RAM they had.... but, 32-bit will recognize over 2GB, I believe the limit is 3.5GB or something like that...

    As to why it shows this, you have to take into consideration the RAM that the system is going to use for video. If you posted your specs, it'd help out.
     
  8. macrumors 601

    ayeying

    Joined:
    Dec 5, 2007
    Location:
    Yay Area, CA
    #8
    Its the white macbook, 2009 model. It's obvious by the CPU being a P-series. Theres only 2 Apple systems with this CPU and the MacBook Air uses a SL9600 for the 2.13GHz.
     
  9. macrumors newbie

    Joined:
    May 29, 2010
    #9
    Similar problem

    Hi,
    I have Macbook Pro unibody (new model MC375LL/A) 2,66GHz , 4 GB RAM, NVIDIA 320M and when I use win 7 32 bit, my available RAM memory is only 2,74 GB.
    The rest of memory is "dedicated for hardware and BIOS". I know that NVIDIA share 256 MB, but when is the rest of?

    Installed memory (RAM): 4.00 GB (2,74 GB usable)

    Thank you for help!
    :confused::confused::confused:
     
  10. macrumors newbie

    Simmity

    Joined:
    May 9, 2010
    #10
    It depends on how much hardware a computer has, windows gives every piece of hardware a little ram, Sometimes this means you can only use 3,5 GB ram, but sometimes it can even go a lot lower. The only solution is to use a 64 bits OS.

    Oh, and one more note, even though the nvidia graphics are designed to use 256 MB ram, windows might give it a lot more ram.
     
  11. macrumors newbie

    Joined:
    May 29, 2010
    #11
    Its good to know. Thank you for advice. I try to reinstall win7 32 bit to win7 64 bit, hopefully It will be works.
    Thank you.:apple:
     
  12. macrumors member

    Joined:
    Jan 29, 2010
    #12
    Hi, I have exactly the same problem, I have the same MBP model and installed Windows 7 Ultimate 32 bit and it only uses 2.18 GB of 4GB RAM.

    Could you please update how much usable memory do you have now with win7 64 bit ?
     
  13. macrumors newbie

    Simmity

    Joined:
    May 9, 2010
    #13
    Well, the only thing you have to know is that the ram you will have is RAM minus SHARED. I have a 13" macbook pro and I have 3,74 GB usable in windows 7 64 bits.
     
  14. macrumors member

    Joined:
    Jan 29, 2010
    #14
    Sorry for my ignorance but... "Ram minus Shared" ? what is this "shared" ? and where can I find its weight ?

    Also which version of windows7 64 bits will allow me more usable RAM ? Ultimate or Home Edition ?
     
  15. macrumors newbie

    Simmity

    Joined:
    May 9, 2010
    #15
    With shared I mean the amount of RAM used by the Graphics chip.

    "NVIDIA GeForce 320M graphics processor with 256MB of DDR3 SDRAM shared with main memory."

    And the RAM limits,

    [​IMG]
     

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