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    Mining
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    • N
      Nutnut Regular Member last edited by

      Slot 1 being the slot closest to the CPU or the one balancing on the soup (one way to warm your lunch!).

      If it’s the CPU side (though the pictures imply that you are calling the soup card slot 1) then that’s normal for the gigabyte windforce as the fans suck in the hot air from the back of the card in front - great cards but awful cooling design!

      If you mean the “soup card” and your sure all 3 behave the same then there is a serious issue there. Are you using afterburner or something like that to OC? Maybe it’s screwing with your fan speeds and preventing them from spinning up? What does CGMiner say about the fan speeds?

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      • D
        Drjones Regular Member last edited by

        Lol ran out of beans ;)

        The one cloest to cpu is the problem thinking of using a riser cable on it to see if makes a difference getting it away. As there are 2 cards close togther and if they suck air rather than blow could be the problem?

        Use afterburner only thing changed is fan speed 100% all other settings are stock as unsure of oc settings. If i leave on autofan speed computer is i in ide state in morning and team viwer unable to connect and have to reset.

        No sure about cgminer use gpuminer with intencity @ 18 on 2 cards getting 600k/ hash and 14 on high temp geting around 460 ish. Shame can get that third one bit faster

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        • D
          Drjones Regular Member last edited by

          On the back of the 2 cards on the mb where you have the card outputs i have a pc fan blowing into there should i have that the other way around if the fans on the card are pushing the hot air into the colder air coming out of the fan?

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          • K
            kevmif last edited by

            2x5850’s using cgminer with the standard scrypt config. Nothing special. Both cards OC’d a little. Getting around 650Kh/s combined but I am solo mining.

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            • D
              Drjones Regular Member last edited by

              How are you getting on with solo mining? I had all mine going for a day or 2 before the inrease in difficulty but didnt hit any blocks :(

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              • N
                Nutnut Regular Member last edited by

                tbh you’re gonna struggle with those cards plugged directly in to the mobo. The air gets diffused all over the place rather than neatly out of the backplate (connector end) which is fine for a single GPU but useless for multicard setups. Raising the card so i can suck in cool air rather than the hot air from the back of the card in front (clue: shut down the rig and feel how hot the back of the card is) will help hugely. I tried the 120mm fan trick but ended up with a bunch of 12" desk fans.

                Go to page 4 of this thread for some pics… Pyxis uses 4x 7950’s and i use 4x 7970’s and we both came up with the same(ish) designs although Pyxis looks more refined ;).

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                • D
                  Drjones Regular Member last edited by

                  Thanks for the help, will check it out and see what i can do.

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                  • U
                    UKMark last edited by

                    [quote name=“Nutnut” post=“5100” timestamp=“1369177331”]
                    tbh you’re gonna struggle with those cards plugged directly in to the mobo. The air gets diffused all over the place rather than neatly out of the backplate (connector end) which is fine for a single GPU but useless for multicard setups. Raising the card so i can suck in cool air rather than the hot air from the back of the card in front (clue: shut down the rig and feel how hot the back of the card is) will help hugely. I tried the 120mm fan trick but ended up with a bunch of 12" desk fans.

                    Go to page 4 of this thread for some pics… Pyxis uses 4x 7950’s and i use 4x 7970’s and we both came up with the same(ish) designs although Pyxis looks more refined ;).
                    [/quote]

                    Jeese Nut, just seen your rigs, what is the total combined wattage of all that? Gotta be touching 6000/7000W+ what are you plugged into? The Cooker or Shower ring main? :D

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                    • N
                      Nutnut Regular Member last edited by

                      Just shy of 7000w including the fans and the AC unit which runs on fan only mode most of the time (anothe 1.5kw when it gets too hot).

                      All running from the neighbours shed! :-X

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                      • S
                        sebdude420 last edited by

                        Several machines running multiple or single cards at PC repair shop in Burbank.

                        7950 -550k
                        7850 -345k
                        6870 -365k
                        7770 -120k
                        5770 -140k

                        Some of the systems are being used for data recovery too offset Cost of mining.

                        My PC repair shop is located at 340 N victory blvd. Burbank CA 91502. 8184506705 if you need a quick help with mining hardware.

                        Facebook.com/sebuh

                        6ydMDtWz3GMTBXX1asf1PAWJYW67wB8Zkv

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                        • U
                          UKMark last edited by

                          [quote name=“Nutnut” post=“5128” timestamp=“1369182800”]
                          Just shy of 7000w including the fans and the AC unit which runs on fan only mode most of the time (anothe 1.5kw when it gets too hot).

                          All running from the neighbours shed! :-X
                          [/quote]

                          Lmao, I hope it isn’t mine ;D ;D ;D

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                          • N
                            Nutnut Regular Member last edited by

                            Joking aside i have a separate 40A breaker at the house attached to ~50m of 10mm SWA that runs down to my cabin where there’s another CU that has 2 circuits for the miners (3 on 1, 2 on the other). I did try them all on 1 circuit for shits and giggles but the 2.5mm T&E got rather hot! :-[

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                            • U
                              UKMark last edited by

                              [quote name=“Nutnut” post=“5331” timestamp=“1369217817”]
                              Joking aside i have a separate 40A breaker at the house attached to ~50m of 10mm SWA that runs down to my cabin where there’s another CU that has 2 circuits for the miners (3 on 1, 2 on the other). I did try them all on 1 circuit for shits and giggles but the 2.5mm T&E got rather hot! :-[
                              [/quote]

                              Yeah man it would get warm, it’s only good for circa 22Amps you are pulling around 30Amps :D
                              I wired my shed up to a 30Amp breaker on the MB, I have my own little hobby workshop in there, complete with compressor, welder, spray booth, temp controlled curing cabinet (except my miner is currently set up in that :) )

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                              • P
                                pyxis last edited by

                                [quote name=“Nutnut” post=“5100” timestamp=“1369177331”]
                                Go to page 4 of this thread for some pics… Pyxis uses 4x 7950’s and i use 4x 7970’s and we both came up with the same(ish) designs although Pyxis looks more refined ;).
                                [/quote]

                                ;) lol

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                                • D
                                  DeadZebra Regular Member last edited by

                                  Hey guys :) updated the thread to include pictures. Please submit your pics I would love to look at your mining rigs and I’m sure others in the community would love to as well. Each week I will pick one picture which will go on the main page of this thread and will be called “Rig of the week”. The rig of the week winners will receive a 50FTC reward for their picture. Please include your Rig stats (Cards, KH/s, Temps etc) and your FTC address.

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                                  • ?
                                    A Former User last edited by

                                    My single 7850 doing ~370 kHash/s at 64 celcius temp.
                                    [just noticed 4 HW errors. Crap…]

                                    [img]http://i.imgur.com/RhO5BX9.png[/img]

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                                    • J
                                      J4c0b5L4tt3r last edited by

                                      My command center

                                      [img]http://i.imgur.com/VxnHhlr.jpg[/img]

                                      Stats:

                                      1. (1) 7700 - avg 133 k/h - avg 76f ( I use this one )

                                      2. (2) 7850 - 645 k/h - avg 60f (One died, waiting for replacement)

                                      3. (2) 7850 - 600k/h - avg 78

                                      4. (1) 7950 - 515 k/h - avg 73f

                                      No overclocking and zero hardware errors on all of them…

                                      FTC: 6mCeB9KV6avFShnPMA6E52n6tbX5Da4WJi

                                      Edit: Blah! Sorry the pic is so big!

                                      Edit Edit: All of them are running Debian 7 with cgminer 3.1

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                                      • F
                                        fcmaniac last edited by

                                        Which 7850s are you using here? What options are your passing?

                                        I can’t get over 530 on mine.

                                        ~fm

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                                        • J
                                          J4c0b5L4tt3r last edited by

                                          I am running Gigabyte and MSI 7850’s and that is both cards combined I posted. MSI is getting 300 k/h each and the Gigabytes I’m getting 343 k/h each when it is full speed, but I am waiting for a replacement on one of the Gigabytes… No overclocking and zero h/w errors…

                                          Edit:
                                          Gigabyte - Thread Concurrency = 8192 Intensity = 16 no-submit-stale
                                          MSI - Thread Concurrency = 8192 Intensity = 16,20 Shaders = 2048 no-submit-stale

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                                          • C
                                            candybar last edited by

                                            My Stats:

                                            2x 6970 501k/h each, total 1000k/h

                                            Temp: 90/87 degrees
                                            Did a bit of overclocking, 950 on the GPU and 1450 on the MEM

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