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Windows Thread, CPU Fan Switching or throttling in Technical; Im looking to throttle or auto control the CPU fan on my home pc, its a mini itx board for ...
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    CPU Fan Switching or throttling

    Im looking to throttle or auto control the CPU fan on my home pc, its a mini itx board for media applications and is running on a stripped down version of XP Pro, the fan is quite loud sometimes and is not required o be on all the time.
    All i really need is a windows based program which cuts the fan when the cpu temp is 45 or below...any higher and the fan will turn on to reduce temperature.

    Does anyone know of a suitable prog?

    Epia500 Mini-ITX board
    533MHz Via C3 CPU
    VIA 8601A North Bridge
    VT8231 South Bridge
    Integrated Trident Blade 3D graphics core
    VT1612A AC97 Codec
    VIA VT1621 TV-Out Controller
    512MB RAM
    20GB IDE HD
    CDRW/DVD combo drive

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    Re: CPU Fan Switching or throttling

    Quote Originally Posted by Preston
    Im looking to throttle or auto control the CPU fan on my home pc, its a mini itx board for media applications and is running on a stripped down version of XP Pro, the fan is quite loud sometimes and is not required o be on all the time.
    All i really need is a windows based program which cuts the fan when the cpu temp is 45 or below...any higher and the fan will turn on to reduce temperature.

    Does anyone know of a suitable prog?

    Epia500 Mini-ITX board
    533MHz Via C3 CPU
    VIA 8601A North Bridge
    VT8231 South Bridge
    Integrated Trident Blade 3D graphics core
    VT1612A AC97 Codec
    VIA VT1621 TV-Out Controller
    512MB RAM
    20GB IDE HD
    CDRW/DVD combo drive
    I didn't think this was possible without something specialist from the motherboard manufacturer. I was under the impression that the voltage to the fan wasn't able to be controlled by software unless something bespoke was made for that mobo etc, although I may be wrong. You could always buy an external fan controller and do it manually?

    -Rob

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    Re: CPU Fan Switching or throttling

    i was afraid of that well thats what i will have to do, wire in an in-line variable resistor and do it manually.

    Cheers

    Gus

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    Geoff's Avatar
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    Re: CPU Fan Switching or throttling


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    Re: CPU Fan Switching or throttling

    I would also recommend putting a larger lower speed fan on there with a duct to reduce noise, or even the possibility to change out the heatsink to something more substantial so it can be passively cooled

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    Geoff's Avatar
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    Re: CPU Fan Switching or throttling

    Zalman do good stuff for what E1uSiV3 is suggesting.

    http://www.zalman.co.kr/eng/eng_index.asp

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    Re: CPU Fan Switching or throttling

    Thanks for that, unfortunately the PC is contained in a rather unorthodox "case" leaving very little room for a larger heatsink or fan, i will link an image later when i am home and you will see just what i mean.
    If i can find a heatsink which has a larger surface area as opposed to being taller i may be able to use that option, whereas a larger fan is out of the question im afraid.

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    Re: CPU Fan Switching or throttling

    This is what im up against.....see the obscure case makes it harder to find a sloution!

    See attached photo

    Also you may notice the lack of fan on the heatsink there, that was me experimenting with no fan....never worked
    Attached Images Attached Images

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    Re: CPU Fan Switching or throttling

    8O

    Now that photo gives new meaning to 'taking the biscut!'.

    I'll get my coat.........!

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    Re: CPU Fan Switching or throttling

    8O

    Now that photo gives meaning to 'taking the biscut!'.

    I'll get my coat.........!

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    Re: CPU Fan Switching or throttling

    you could also try adding some holes in the top

    also check out some of the Zalman heatsinks - they are meant to be the best and they look pretty cool (they also make Via specific ones).

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    Re: CPU Fan Switching or throttling

    Thats a good mod, I am going to make a Censornet machine for a local primary out of a Mini-ITX machine next week, so perhapse I can save £60 and use that biscuit tin I have under my desk from Crimbo for the case

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    Re: CPU Fan Switching or throttling

    hehe, i like my strange cases i would rather not put holes in the perspex so ill try get hold of a suitable heatsink and hope for the best,

    Next project is an incar mini system with media center. Thats going to be fun!

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    Re: CPU Fan Switching or throttling

    Also consider watercooling. Makes no noise at all other than the occasional swish from the pump.

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