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    Fans stuck on my 7950

    Mining
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    • F
      fher98 last edited by

      Hey everybody,

      To my surprise two fans one in each card ran out. And looks like the same its about to happend on the other two cards. The fans are barely moving, have any of you had any problems like this before, and do you guys know is there a way I can get a replacement from AMD?

      thanks a bunch!

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      • H
        HopeStillFlies Regular Member last edited by

        I’ve had one go out myself, I’ve had not much luck finding a replacement. Who is the manufacturer of your card? XFX, Sapphire, Gigabyte, etc.?

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        • F
          fher98 last edited by

          Hello there thanks for answering, well let me see. Yup Sapphire Vapors.

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          • kris_davison
            kris_davison last edited by

            Have you tried putting something on the fans bearings such as grease or oil or lubricant?

            Although it may be too late if the fan has ceased.

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            • F
              fher98 last edited by

              Well actually… the contact cleaner helped a lot, then got some WD-40 on them. Will let them rest a while before testing.

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              • S
                svennand Regular Member last edited by

                Yeah… Sapphire… Hate em… Have had 10-15 Sapphire cards dieing because of this!

                Baisclly the reason as far as i have found out is that over time the fan gets alot unbalanced (seems those cards dont like to be stacked sideways, that the fan rely on gravity).

                You will notice the fan spin more and more out of control, until it puts such amount of strain on the motor that it will burn out.

                Heres one of my Sapphire 280X OC cards getting close to doomesday…

                http://www.youtube.com/watch?v=s9vJsr7f7Rg

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                • S
                  svennand Regular Member last edited by

                  Sapphire Toxic though seems good ;D

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                  • I
                    Ignition75 Regular Member last edited by

                    Sapphire Toxic though seems good ;D

                    Good, because I’m about to buy a crap load of 270x Toxics…

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                    • S
                      svennand Regular Member last edited by

                      Good, because I’m about to buy a crap load of 270x Toxics…

                      Would rather have an look at Nvidia 750ti at this point in time ;D

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                      • I
                        Ignition75 Regular Member last edited by

                        Would rather have an look at Nvidia 750ti at this point in time ;D

                        If I go that low on hash rate I may as well buy gridseeds… Check out Zuesminer Professional, its giving me wet dreams…

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                        • H
                          HopeStillFlies Regular Member last edited by

                          If I go that low on hash rate I may as well buy gridseeds… Check out Zuesminer Professional, its giving me wet dreams…

                          {puts out hands like a balance}

                          Cost of a house in the midwest… big ass miner. Cost of [i]a house[/i] in the midwest… [i]big ass[/i] miner…

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                          • S
                            svennand Regular Member last edited by

                            If I go that low on hash rate I may as well buy gridseeds… Check out Zuesminer Professional, its giving me wet dreams…

                            With gridseed you can mine scrypt, thats it.

                            Kinda boring if all the major coins use an new modded scrypt (better for some reason, might happen). What are you gonna use your gridseed for then? paperweight?

                            At least with GPUs you can retarget other algos, or sell em down the road ;D

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                            • V
                              vizay Regular Member last edited by

                              It’s a bit tricky with the 7950 and 7970 when the cooling breaks since the options for after market cooling is almost slim to zero.

                              However, the Prolimatech MK-26 actually works like a charm! Running it on my asus 7970 DCII since the original fan went awol the same way as described here.

                              I’m running this bad boy package:

                              http://www.overclockers.co.uk/showproduct.php?prodid=BU-032-TL&groupid=701&catid=2330&subcat=787

                              Keeps the temp about 10 degrees celsius lower than asus DCII cooling :)

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                              • I
                                Ignition75 Regular Member last edited by

                                With gridseed you can mine scrypt, thats it.

                                Kinda boring if all the major coins use an new modded scrypt (better for some reason, might happen). What are you gonna use your gridseed for then? paperweight?

                                At least with GPUs you can retarget other algos, or sell em down the road ;D

                                Sven I’m so glad you are around to give advice, you may have just saved me and my investors a $50k mistake. So what’s the deal with the 750ti? My local IT supplier is about to get 50 of these in stock:

                                http://www.pccasegear.com/index.php?main_page=product_info&cPath=193_1617&products_id=27066

                                Same deal as ATI cards, can fit 6 on a mobo with risers just use CudaMiner instead?

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                                • F
                                  fher98 last edited by

                                  With gridseed you can mine scrypt, thats it.

                                  Kinda boring if all the major coins use an new modded scrypt (better for some reason, might happen). What are you gonna use your gridseed for then? paperweight?

                                  At least with GPUs you can retarget other algos, or sell em down the road ;D

                                  Whoa… those are charming, but pretty expensive also :-(

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                                  • MrWyrm
                                    MrWyrm administrators last edited by

                                    Those 750tis, someone on another Forum did a comparison of the PCB layout between the different manufacturers. From what I can remember, he suggested the EVGA might not be ideal for 24/7 mining, something about ironchokes and single phase??? Same guy praised the ASUS, but others later on in the thread claim they are less clockable.

                                    EVGA do have a good warranty though.

                                    Like what I do: 6uuy6isbrW1SBF191Bzgui1gWxPdNKx2PB

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                                    • I
                                      Ignition75 Regular Member last edited by

                                      Those 750tis, someone on another Forum did a comparison of the PCB layout between the different manufacturers. From what I can remember, he suggested the EVGA might not be ideal for 24/7 mining, something about ironchokes and single phase??? Same guy praised the ASUS, but others later on in the thread claim they are less clockable.

                                      EVGA do have a good warranty though.

                                      I’ve experienced the same with the ATI cards. The Asus 270x has a glass jaw where the Sapphire 270x goes hard…

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                                      • MrWyrm
                                        MrWyrm administrators last edited by

                                        I’m curious as to why the ASUS won’t clock though. It’s arguably the better built card.

                                        Like what I do: 6uuy6isbrW1SBF191Bzgui1gWxPdNKx2PB

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                                        • MrWyrm
                                          MrWyrm administrators last edited by

                                          Ahh, it’s up!

                                          https://www.youtube.com/watch?v=ou4URpboMP0&list=UUVVWXoQfMfQVuzxcLylq9aA

                                          Like what I do: 6uuy6isbrW1SBF191Bzgui1gWxPdNKx2PB

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                                          • I
                                            Ignition75 Regular Member last edited by

                                            I’m curious as to why the ASUS won’t clock though. It’s arguably the better built card.

                                            It’s loads quieter at comparable fan speeds, I wish they would as well…

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