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Thread: FANS 3pin to 4pin on MB?




  1. #1
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    Question FANS 3pin to 4pin on MB?

    Hiya folks. I have a male 4 pin connector on my MB and a 120mm exhaust fan in my case. simple quesition will the 3 pin connect to the four pin?

    the guides on the connector match up for the 3 pins and it would just leave one pin empty.

    Any help appreciated


    TIA Russ

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: FANS 3pin to 4pin on MB?

    Yes that will work just fine, it will run at 100% speed though unless you have some options of adjusting via your BIOS

  3. #3
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    Default Re: FANS 3pin to 4pin on MB?

    I use speedfan with my 3 pins and disable the cpu and system smartfan in bios.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  4. #4
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    Default Re: FANS 3pin to 4pin on MB?

    Hi guys,



    Speed fan doesn't seem to have any control over them dont know why.

    LSD dude, still have that pile of crap p35-s3g motherboard.
    So no dude i doubt i have controllers in the bios.


    Man i still cant OC this damn board in the bios without it re-setting in post.


    I know buy a new one. And some of those fandagled PWR or whatever they are called. I will put the 3 pin onto the the 4 pin on MB for the time being i wasn't sure if it would cause any damage.


  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: FANS 3pin to 4pin on MB?

    Speedfan is terrible! You should have some control with Easytune after you enable CPU Fan control in the BIOS in the PC Health Status Page. Of course on your board this may only cover the CPU Fan, which you could move the CPU fan to another header if you wanted and have it run 100% all the time and then control the other making the board think it is the CPU fan

    If you get a new board, since you want to overclock, do not buy a S3 or L model as they are budget and not the greatest of overclocking boards. Get a DS3 or above, or UD3 or above

  6. #6
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    Default Re: FANS 3pin to 4pin on MB?

    Speed fan doesn't seem to have any control over them dont know why.
    I use SpeedFan v4.39. If you want here is how I got it working.
    Open speedFan/click the info tab/Click Get Config/you need a ticket number to install in the ticket box/ click on the url, (watch it you may be working with (IE)tabs now)/ register (free)/ confirm through email/ enter username & password/ login/ click next step/ select your motherboard through dropdown list/ next step/ next step/ Get configuration/ choose one/ Get configuration/ now you see a set of numbers in bold like 458264
    enter this number into your ticket. there now you can configure your fan settings to do as you please. I have mine working great. They automatically throttle up when the temps go up and down when it drops. It works great. If you close the program your fans will spin at the speed you had when the program closed so if you open it dont close it until you reboot. If you have your smartfans disabled the fans are at 100% with speedfan I can set them to what ever speed for temps I want high and low.
    Here are some old images where I show they can be turned off completely if you want (not advised) this was for show
    By artdrivers at 2009-06-24

    By artdrivers at 2009-06-24
    I had to uncheck the automatic fanspeed box to show this.
    If you don't understand the user interface the program can be difficult. A configuration ticket is the answer.
    Last edited by artdrivers; 09-11-2009 at 08:33 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  7. #7
    Join Date
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    Default Re: FANS 3pin to 4pin on MB?

    Hi dude there is no ticket number for my board, Already checked Dude :(

    Hey LSD How are ya dude hope all is good fine and dandy.
    Its late here dude so i`ll message you later with my thoughts on Motherboards and what I think. Would be interested to see your thoughts.

    I will post to forum and prv message to you to let ya know i`ve posted


    Russ :)
    Gigabyte GA-P35-S3G / Intel 8400 45nm /
    Gigabyte GT9800 512mb / EZCOOL 600w PSU /
    2GB DDR2 PC2-8500 X2 1GB OCZ (5-5-5-15)
    http://www.ocztechnology.com/products/memory/ocz_ddr2_pc2_8500_sli_ready_edition_dual_channel


  8. #8
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    Default Re: FANS 3pin to 4pin on MB?

    There was no ticket number on mine either. I used the one with the same chipset and adjusted the settings slightly.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


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