Windows 8 and 8.1 Forums


Low memory error. Most of the Page File needs to be on C:?

  1. #1


    Posts : 93
    Windows 8.1 Pro 32-bit

    Low memory error. Most of the Page File needs to be on C:?


    I have two 160 GB drives, C: and D:, and 2 GB of RAM

    Win 8 is on C:

    I read that if you put most of the Page File on another drive, like D:, that frees up C: to just use it for the OS, and your system will be faster.

    I don't know if there is any difference, but I didn't notice anything at all by doing this in Win XP. I had it set at:

    C: . . . Initial size (MB) . . . 247 - 247
    D: . . . Maximum size (MB) . . . 1800 - 1800

    When I upgraded to Win 8, I tried this also, and was getting a low memory error. Occasionally, it would close a program I was using without asking.

    In Win 8, the Page File settings are located at:

    Control Panel / System / Advanced system settings / Advanced tab - Performance - Settings / Advance tab - Virtual memory - Change /

    Recommended: 2047 MB

    . . . initially I had it the same as in XP, and was getting the low memory error with:

    C: . . . Initial size (MB) . . . 247 - 247
    D: . . . Maximum size (MB) . . . 1800 - 1800

    So I changed it so that most is on C: now, and I haven't noticed the error:

    C: . . . Initial size (MB) . . . 1700 - 1700
    D: . . . Maximum size (MB) . . . 347 - 347

    Does Win 8 need to have most of the Page File on C:? How do you know? Is this indicated somewhere?

      My System SpecsSystem Spec

  2. #2


    Redmond
    Posts : 651
    Windows 8.1 x64


    If Windows 8 is recommending 2GB, that would mean you have 2GB of RAM installed?
      My System SpecsSystem Spec

  3. #3


    Posts : 93
    Windows 8.1 Pro 32-bit


    Yes, 2 GB of DDR2 is installed.

    The Page File is 2047 MB, which is another 2 GB.
      My System SpecsSystem Spec

  4. #4


    Redmond
    Posts : 651
    Windows 8.1 x64


    As long as the paging file is on a physical disk attached to the system, Windows will use it without issue. However, the "faster" bit is a bit blown out of proportion, unless you have a really slow physical disk. Also, if both C:\ and D:\ are on the same physical disk, it will make very little difference where you put it as well. Unless you have a very small disk, or the first physical disk is very slow, it would be best to leave your paging file settings to "System managed".
      My System SpecsSystem Spec

  5. #5


    Posts : 93
    Windows 8.1 Pro 32-bit


    They're two separate physical drives.

    What's considered to be a really slow physical disk?

    * * * * * * * * * * * * * * * * * * * * *

    What I have . . .

    C: is
    SAMSUNG HD160JJ ATA Device
    Manufacturer SAMSUNG
    Business Unit/Brand Desktop
    Heads 16
    Cylinders 16,383
    SATA type SATA-II 3.0Gb/s
    Device type Fixed
    ATA Standard ATA/ATAPI-7
    Features S.M.A.R.T.
    Transfer Mode SATA II
    Interface SATA
    Capacity 149GB

    D: is
    ST3160815AS ATA Device
    Manufacturer Seagate
    Form Factor 3.5"
    Heads 16
    Cylinders 16,383
    SATA type SATA-II 3.0Gb/s
    Device type Fixed
    ATA Standard ATA/ATAPI-7
    Features S.M.A.R.T., NCQ
    Transfer Mode SATA II
    Interface SATA
    Capacity 149GB

    * * * * * * * * * * * * * * * * * * * * *

    I thought I read that it's good to make it a static size page file, that increases speed.

    Seems like it would be faster utilizing one drive for the OS and the other for the page file, guess I should have looked to see if there was a study done on this or not, and what the results were.
      My System SpecsSystem Spec

  6. #6


    Redmond
    Posts : 651
    Windows 8.1 x64


    There are lots of "tweaks" that can improve performance, but again, most of those are relics of the long past when a 7200RPM hard disk with decent performance was for the rich an famous. Most accesses to the paging file by Windows are reads versus writes, especially during heavy disk access times (like boot/logon), so again, I'd recommend using the system managed option. Windows will create the right size paging file depending on your system's usage patterns, and on the most logical disk. Tweaking the paging file nowadays is best left to people with 16+GB RAM who need to reduce disk space usage, versus any performance-related reasons.

    As to disk speed/performance, both of those disks you are showing should be plenty fast enough to leave the paging file alone.
      My System SpecsSystem Spec

  7. #7


    Posts : 93
    Windows 8.1 Pro 32-bit

    System managed page file / auto / static


    Three choices that I see, please see screenshots:

    page file 1.jpg
    Both C: and D: System managed
    . . . It recommends a 2 GB page file on both drives, variable size
    . . . Why does it say 2047 instead of 2048?

    page file 2.jpg
    [check] Automatically manage paging file size for all drives
    . . . It recommends only a 2 GB page file on C:, variable size
    . . . It removes any page file on D:
    . . . I think I noticed a slow down in performance with this setting, the mouse disappeared for 10 sec while it was doing something

    page file 3.jpg
    I set a static 2 GB page file on both C: and D:
    . . . It seems fast - I'm going to try it on this settings for a while.


    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    Check out this article:

    Manage Virtual Memory in Windows 8
    Maximum size of the page file that administrators can manually configure can be expanded up to four times of physical memory (RAM).
    Manage Virtual Memory in Windows 8 | Technology Blog - How to Guides,Tips and News

    Four times my physical memory = 4 x 2 GB = 8 GB . . . I have it set at 2 x 2047 MB = 2 x 1.999023 = 3.998 GB . . . which is less than 8 GB - I will go with what Win 8 recommends at this point.

    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    This page says the tweak works, to put the page file on the non-OS drive, Published 10/11/12
    HTG Explains: What is the Windows Page File and Should You Disable It?

    From the comments:

    docBrian
    The paging.sys file is used by the Windows implementation of virtual memory. It’s similar to the “swapfile” used by UNIX/LINUX systems to implement virtual memory. You DO NOT want to disable the paging file.

    Here’s what you should do to maximize performance:

    1. Add a high speed second non-system drive to your system. Ideally, this should be an SSD drive. Alternatively, this could be a multi-spindle RAID 0 array.
    2. Format the drive.
    3. Create a contiguous paging file on the second non-system drive.
    4. Use the “Custom size” option to set the initial size and maximum size of the paging file to the same values. Start with the size recommended by Windows. You may find that a smaller size works for you without sacrificing performance. Or you may may need a larger size, especially if you are working with programs that benefit from lots of RAM, such as Adobe Photoshop. Empirical tuning of the swap file (pagefile.sys) requires minimizing the “page faults” generated by the OS during memory-intensive operations.
    5. Restart the system and experiment with different pagefile sizes.

    You can never have too large a pagefile; the OS will simply use what it needs. But if your pagefile is too small, performance will suffer, and you may experience kernel panics (BSOD).

    I’m a professional engineer, and have worked as a kernel engineer on SMP UNIX workstations. So I know what I’m talking about.
      My System SpecsSystem Spec

  8. #8


    Posts : 93
    Windows 8.1 Pro 32-bit

    Screenshots


    Screenshots of my page file settings

    I have 2 GB of RAM, and two physical drives.

    I have it set for a static 2 GB page file on C: . . . and another static 2 GB page file on D:

    Supposedly, I could have a page file of up to 4 times the amount of my physical RAM - 8 GB . . . but the dialogue box recommends only up to 4 GB max.
    Attached Thumbnails Attached Thumbnails page file 1.jpg   page file 2.jpg   page file 3.jpg  
      My System SpecsSystem Spec

  9. #9


    Posts : 73
    windows 7 home premium 64bit


    More memory would be the best answer. I doubt there would be much if any performance difference between manual and system managed. Might eliminate errors, but the best bet in a 2 gig machine is to add ram. My $280 laptop has 3 gigs.
      My System SpecsSystem Spec

  10. #10


    Kolkata, India
    Posts : 127
    Windows® 8.1 Pro 64-Bit


    I would recommend you to change your Page file size to 4096 MB For both C:\ and D:\ drive........
    If that also doesn't work then you should upgrade your RAM to 4GB and reinstall Windows to 64-bit....
    Here is one:-
    Corsair Memory

    Hope it will work..........
      My System SpecsSystem Spec

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Low memory error. Most of the Page File needs to be on C:?
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