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    Fan Control on GX740?

    Discussion in 'MSI' started by Czechflyer, Jun 13, 2010.

  1. Czechflyer

    Czechflyer Notebook Enthusiast

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    Is there any way to control the fan speeds on the GX740? I've tried both Ati Overdrive & MSI Afterburner with no success. Running stock with exception of updated Catalyst Drivers (10.5).
     
    Czechflyer, Jun 13, 2010
    #1
  2. @tilla

    @tilla Notebook Evangelist

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    No. The fan (CPU+GPU!) is controlled by the EC (embedded controller). Even through ACPI I found no way to speak with it ;)
    Tools mostly show 30% fan speed. But this is a constant value or place filler.
     
    @tilla, Jun 13, 2010
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  3. Ghola

    Ghola Notebook Evangelist

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    1 fan fan... 1 speed...there can only be one.
    When your computer warms up; that my son is called the quickening!
     
    Ghola, Jun 13, 2010
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  4. Czechflyer

    Czechflyer Notebook Enthusiast

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    That's what I thought it would turn out to be :(

    Was hoping a BIOS update or some other trick would allow control of the fan.
     
    Czechflyer, Jun 13, 2010
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  5. Zero989

    Zero989 Notebook Virtuoso

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    How are the temps for this laptop? I get mine tomorrow :cool: .
     
    Zero989, Jun 13, 2010
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  6. min2209

    min2209 Notebook Deity

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    They would never give you control of the fan. Are you kidding me? Think about all the foolish users who figure oh I want to play Crysis in a library but it's too loud so they'll turn off the fan? You have any idea how many "defective return units" MSI will get afterward?
     
    min2209, Jun 14, 2010
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  7. Czechflyer

    Czechflyer Notebook Enthusiast

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    What about voltage? I tried to set voltage with AMD's GPU Clock tool. Two choices, 1.15 (higher then 1.05 default) or lower to 0.9. Tried both and doesn't seem to have any effect on temps or performance. Is this another tool that doesn't work with this configuration?
     
    Czechflyer, Jun 14, 2010
    #7
  8. Czechflyer

    Czechflyer Notebook Enthusiast

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    I7 cores average 53c when web surfing, 58c after 20 minutes of Stalker, GPU is 64-65c during surfing, only up to 67c during Stalker. Haven't run a stress test yet, still on my to do list.
     
    Czechflyer, Jun 14, 2010
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  9. Ghola

    Ghola Notebook Evangelist

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    Ghola, Jun 14, 2010
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  10. moral hazard

    moral hazard Notebook Nobel Laureate

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    You could try using RW-everything to change the EC registers.

    I have tried on my GT627 but failed to find the right register.
     
    moral hazard, Jun 18, 2010
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