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    R9 280x Gigabyte GV-R928XOC-3GD

    Mining
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    • C
      colsteel last edited by

      try ed those same settings on a saphire and only got around 540

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        angloblaxon Regular Member last edited by

        also the thread-concurrency seemed to work with 8912 ( not 8192 which is used for 7970s ). I heard some saphires had luck lowering the clock to 1024

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          colsteel last edited by

          ]
          ,
          “intensity” : “13”,
          “vectors” : “1”,
          “worksize” : “256”,
          “kernel” : “scrypt”,
          “lookup-gap” : “2”,
          “thread-concurrency” : “8192”,
          “shaders” : “2048”,
          “api-port” : “4028”,
          “auto-fan” : true,
          “expiry” : “120”,
          “gpu-dyninterval” : “7”,
          “gpu-platform” : “0”,
          “gpu-threads” : “2”,
          “gpu-engine” : “1080,1080,1080,1080”,
          “gpu-memclock” : “1500,1500,1500,1500”,
          “gpu-powertune” : “0”,
          “log” : “5”,
          “no-pool-disable” : true,
          “queue” : “0”,
          “scan-time” : “30”,
          “scrypt” : true,
          “shares” : “0”,
          “kernel-path” : “/usr/local/bin”
          }

          i used that in my config file and getting a solid 750kh/s with no Hard ware errors

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          • A
            angloblaxon Regular Member last edited by

            glad what worked for you. thats the standard config. What model saphire do you have?

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              colsteel last edited by

              i got the vaporx thanks for your help :)

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                angloblaxon Regular Member last edited by

                it seems to be. i just ordered 2 saphires and will report bout my findings and compare the gigabytes to the saphires.

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                  LoadingError last edited by

                  Hi how are u placing this card? how many do you have?

                  i got 3, but that was over heating like carzy, now iam using too, still over heating :(

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                    angloblaxon Regular Member last edited by

                    paste your config? atm i have 3 + 1 7970 running in a rig. They are close together until those openrigs come in! [url=https://openrigs.com/]https://openrigs.com/[/url]

                    i have one that sits at 80 degrees but its stable.

                    Here is a pic of my 2 top rigs.

                    [img]https://dl.dropboxusercontent.com/u/20540721/2013-12-04 17.24.20.jpg[/img]

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                    • L
                      LoadingError last edited by

                      hi how do you put the scrypt in the .bat? i am new to all this sorry

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                      • C
                        colsteel last edited by

                        [quote name=“angloblaxon” post=“39776” timestamp=“1386199808”]
                        paste your config? atm i have 3 + 1 7970 running in a rig. They are close together until those openrigs come in! [url=https://openrigs.com/]https://openrigs.com/[/url]

                        i have one that sits at 80 degrees but its stable.

                        Here is a pic of my 2 top rigs.

                        [img]https://dl.dropboxusercontent.com/u/20540721/2013-12-04 17.24.20.jpg[/img]
                        [/quote]

                        man those are awesome i think i am fix to buy some. to bad i cant find any more r9 280x on the net. newegg all gone.

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                          angloblaxon Regular Member last edited by

                          newegg, amazon, tigerdirect… ebay is 7950s are going for 450 a piece… its getting silly. Help out with my other forum topic. If i find something i will post. I managed to grab 2 saphire 280x cards today but they instantly went sold out.

                          [url=http://forum.feathercoin.com/index.php/topic,5338.0.html]http://forum.feathercoin.com/index.php/topic,5338.0.html[/url]

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                          • C
                            colsteel last edited by

                            we should buy all the 1000w and up power supply’s!! then we hold all the power. then trade em for ther cards lol :)

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                              angloblaxon Regular Member last edited by

                              [quote name=“colsteel” post=“40421” timestamp=“1386312565”]
                              we should buy all the 1000w and up power supply’s!! then we hold all the power. then trade em for ther cards lol :)
                              [/quote]

                              if i only had that kind of money!

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                              • N
                                Nutnut Regular Member last edited by

                                Nutnut’s toptip for the day, run 13.04 instead of 12.04 for mining rigs. Then see if you hash 750+ ;)

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                                  Nutnut Regular Member last edited by

                                  Try toggling the iommu setting in your bios.

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                                    Nutnut Regular Member last edited by

                                    standard setting but 1055 on the GPU.

                                    I think the gigabyte cards are a bit wobbly (struggling with stability) but then i am mixing 7970 & 280x on the same board. Maybe i’ll do a fresh build one day.

                                    The Asus Matrix Platinums are my new fave card! 765Khs ~75c ~50% fan. :D

                                    Mobo GA-990FXA-UD3

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                                      sweater last edited by

                                      [quote name=“Nutnut” post=“41710” timestamp=“1386525905”]
                                      I think the gigabyte cards are a bit wobbly (struggling with stability) but then i am mixing 7970 & 280x on the same board. Maybe i’ll do a fresh build one day.[/quote]

                                      As someone who was able to snag three of these cards, I’m now running into the fact that Gigabyte doesn’t easily let me undervolt these cards. Plainly put, I’m overheating them quickly running either Linux (13.10 works great!) or Win7. I’ve been able to undervolt some MSI 7950’s and get great performance out of them, but this problem is vexing me…

                                      How exactly are people getting 700+ speeds out of this card while not hitting 85+ temps on these?

                                      EDIT: ASRock 970 Extreme4, 1000w PS, 4gig RAM, Sempron 145, Win7 64bit, tried either Catalyst 13.9 or 13.11 beta. Have tried guiminer or cgminer.

                                      • mike
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                                      • S
                                        sweater last edited by

                                        [quote name=“sweater” post=“44630” timestamp=“1387119457”]How exactly are people getting 700+ speeds out of this card while not hitting 85+ temps on these?[/quote]
                                        Solved to a very large degree. I followed the undervolting procedure as described in this article:

                                        [url=http://www.cryptobadger.com/2013/10/undervolting-in-linux-via-modified-bios/]http://www.cryptobadger.com/2013/10/undervolting-in-linux-via-modified-bios/[/url]

                                        Set all three cards to 1.075 (which actually yields 1.075, 1.100, and 1.100 for some reason) and now I’m seeing much more reasonable temps, better speeds, better stability.

                                        • mike
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                                          prensel Regular Member last edited by

                                          What did you get out them when undervolting to 1.075V ?
                                          What temps/fan speed ?

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                                            Plopsi last edited by

                                            just my 2 cents:

                                            maybe you want to set a clock-range, target-temp, overheat-temp and cutoff-temp? - espeacilly you run it unattended.

                                            • Plopsi
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