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    ATI Mobility X1600 strange FPS

    Discussion in 'Gaming (Software and Graphics Cards)' started by Siauka, Nov 21, 2008.

  1. Siauka

    Siauka Notebook Enthusiast

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    Hi, I have this one:

    Laptop:

    Computer Type: ACPI x86-based PC (Mobile)
    Operating System: Microsoft Windows Vista Ultimate SP1
    CPU Type: Mobile DualCore Intel Core Duo T2300E, 1666 MHz (10 x 167)
    Motherboard Name: Insyde H2O
    Motherboard Chipset: Mobile Intel Calistoga-PM i945PM
    System Memory: 2048 MB (DDR2-667 DDR2 SDRAM)
    BIOS Type: Insyde (10/16/06)
    Audio Adapter: Realtek ALC883 @ Intel 82801GBM ICH7-M - High Definition Audio Controller [B-0]
    Disk Drive: TOSHIBA MK8032GSX ATA Device (80 GB, 5400 RPM, SATA)

    Video Adapter:

    Drivers: Modified ATI Catalystâ„¢ 8.11 Windows Vista (32 bit)
    ATI Mobility Radeon X1600 (MTC)
    BIOS Version: 009.012.001.012.019458
    BIOS Date: 10/10/06,22:22:1
    GPU Code Name: M56
    PCI Device: 1002-71C5 / 1071-8224 (Rev 00)
    Transistors: 157 million
    Process Technology: 90 nm
    Bus Type: PCI Express 1.0 x16 @ x16
    Memory Size: 256 MB
    HyperMemory: 1023 MB
    GPU Clock: 425 MHz (original: 426 MHz)
    RAMDAC Clock: 400 MHz
    Pixel Pipelines: 12
    TMU Per Pipeline: 1
    Vertex Shaders: 5 (v3.0)
    Pixel Shaders: 12 (v3.0)
    DirectX Hardware Support: DirectX v9.0c
    Pixel Fillrate: 5100 MPixel/s
    Texel Fillrate: 5100 MTexel/s
    Bus Type: DDR2
    Bus Width: 128-bit
    Real Clock: 378 MHz (DDR) (original: 378 MHz)
    Effective Clock: 756 MHz
    Bandwidth: 11.8 GB/s

    The problem is, when I play new games e.g.: Call of Duty World at War, Tomb Raider Underworld, Need For Speed Undercover, Fallout 3... I get good performance ~30-60 FPS but in the same place where I have 60 FPS it drops to ~5-15 FPS with no reason and stays like that up to 3 minutes then it comes back to normal FPS and its playable again, it happens often but in different time periods, some times after each 2 minutes or every hour... I have tried changing and disabling CCC but it didn't work.

    Any ideas? :)
     
    Siauka, Nov 21, 2008
    #1
  2. Pranalien

    Pranalien Notebook Veteran

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    Try updating your drivers. Also you would like to check your GPU temps. by using a software like HWMonitor.
     
    Pranalien, Nov 21, 2008
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  3. Siauka

    Siauka Notebook Enthusiast

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    I have latest drivers at the moment, my ATI Mobility X1600 doesn't have GPU temp sensor :( I've been thinking about high GPU temp but if it is about temp why the FPS drops down and then go up again... I wont believe that droping down FPS it is cooling process :D but...
     
    Siauka, Nov 21, 2008
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  4. Pranalien

    Pranalien Notebook Veteran

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    When a graphic cards exceeds its maximum threshold limit, it underclocks itself to save it from being damaged. Hence, the low fps. Since the card is an X1600, I presume it is at least 1.5-2 years old. Have you tried to clean the vents because dusts and small particle accumulate in the fans reducing their capacity to cool over a period of time. If you haven't then do it using a can of compressed air.
     
    Pranalien, Nov 21, 2008
    #4