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Thread: GA-EP45-UD3 and PWM fan headers




  1. #1
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    Default GA-EP45-UD3 and PWM fan headers

    What is the best way to set up a PWM fan using the fan headers?

    I've connected one to Sys_Fan2 but it 'twitching' very slowly and I'm wondering is there another way.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3 and PWM fan headers

    Sys_fan2 would not be a good choice, as it often is buggy. CPU is the only other PWM Header. What do you want to use this fan on? It will run on a 3 pin header

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    Default Re: GA-EP45-UD3 and PWM fan headers

    I've an extra fan at the front-end of my case and thought if on PWM header
    it would be on/off as required.

    So, could I use the CPU header for the fan and Cpu fan? How would I control the settings regard temperature?

    My Bios setting for the Cpu Smart Fan control is [Enabled]
    and Cpu Smart Fan mode is [PWM]

  4. #4
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    Default Re: GA-EP45-UD3 and PWM fan headers

    Well sys_fan2 is the only other PWM Controlled header. You could cut and wire them both together but I would advise against that really.

    You can use EasyTune 6 to control fan speeds per temp when smart fan control is enabled >>>



    GIGABYTE - Support - Motherboard - Utility

    Sounds like you will either have to hook that front fan to a normal 3 pin header or get a fan controller for it. If you need some help finding a controller let me know, and the price you would like to pay. Some can be very cheap if you dont care about looks/accessibility

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    Default Re: GA-EP45-UD3 and PWM fan headers

    lsdmeasap

    thanks for advice. have managed to get fan working by first connecting
    4 pin fan plug to the cpu fan header and then connected cpu fan plug to 4 pin male connector on fan.

    have 'lost' dvd/cd writer from Bios and in Windows Vista. it powers ok and have checked cables and jumpers, but no joy.

    is there a setting in Bios I've missed?

  6. #6
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    Default Re: GA-EP45-UD3 and PWM fan headers

    What settings do you have set in Integrated Peripherals and Standard CMOS (Also inside on this page for your burner) and what color ports do you have the drive connected to? Or is it IDE burner?

  7. #7
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    Default Re: GA-EP45-UD3 and PWM fan headers

    this is an IDE burner.

    Standard CMOS does not list the burner. I have five Sata drives connected and Standard CMOS shows them as this:-

    on Port0 is Master and Slave
    on Port1 is Slave
    on Port2 is Master
    on Port3 is Master

    Integrated Periph settings

    Sata AHCI Mode [Disabled]
    Sata Port0-3 Native mode [Enabled]

    Onboard Sata/IDE device [Disabled]

  8. #8
    Lsdmeasap's Avatar
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    Default Re: GA-EP45-UD3 and PWM fan headers

    This must be enabled for IDE >>>
    Onboard Sata/IDE device ............ [Disabled] <<< Enabled
    Onboard SATA/IDE Ctrl Mode (GIGABYTE SATA2 Chip) .... IDE (Default)

  9. #9
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    Default Re: GA-EP45-UD3 and PWM fan headers: Now DVD/CD problem

    Ok, I've changed setting to Enabled, prior to that cleared CMOS reloaded Optimized defaults rebooted and adjusted settings then rebooted again.

    Still no DVD/CD hardware seen in Standard CMOS or in Vista.

    Is it possible board is 'flacky' and I should just try another?

  10. #10
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