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    • N
      Nutnut Regular Member last edited by

      Not a problem!

      Shout if you have any issues/questions.

      1 Reply Last reply Reply Quote 0
      • J
        justabitoftime last edited by

        [quote name=“Nutnut” post=“9603” timestamp=“1370428695”]
        Not a problem!

        Shout if you have any issues/questions.
        [/quote]

        I’m having Wesphily experiment with one of my cards, Taybrien with the other. He’s getting the hash up to 600, however, getting some nasty heat issues. If anyone has a chance to skim this thread, I’d sincerely appreciate it.

        http://forum.feathercoin.com/index.php?topic=1220.0

        1 Reply Last reply Reply Quote 0
        • N
          Nutnut Regular Member last edited by

          TightVNC is your friend. ;)

          i also use an APC AP8953 to remotely control the power in case of a hard hang.

          1 Reply Last reply Reply Quote 0
          • P
            pyxis last edited by

            Nutnut, do you use powered risers?

            1 Reply Last reply Reply Quote 0
            • N
              Nutnut Regular Member last edited by

              Nope, never had an issue.

              I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

              They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.

              1 Reply Last reply Reply Quote 0
              • P
                pyxis last edited by

                my 7950’s use 8 pins also, cheers for tips.

                1 Reply Last reply Reply Quote 0
                • N
                  Nutnut Regular Member last edited by

                  Ah. Good to know. Didn’t realise some of the 7950s were 8 pin.

                  1 Reply Last reply Reply Quote 0
                  • N
                    NickCoin last edited by

                    My Sapphire 7970 Dual X OC can run stable at 1015/1250, 1.068 V, drawing about 230W, giving 715 KH/s

                    1 Reply Last reply Reply Quote 0
                    • S
                      svennand Regular Member last edited by

                      [quote name=“Nutnut” post=“14421” timestamp=“1371167381”]
                      Nope, never had an issue.

                      I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

                      They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.
                      [/quote]

                      Wops i did it again… fried two boards overnight…!
                      7950 is a NONO with 4 cards without powered extenders! (sapphire has 2x6pins connectors on their 7950)
                      http://forum.feathercoin.com/index.php?topic=2169.msg17209#msg17209

                      1 Reply Last reply Reply Quote 0
                      • P
                        pyxis last edited by

                        [quote name=“svennand” post=“17217” timestamp=“1372011783”]
                        [quote author=Nutnut link=topic=264.msg14421#msg14421 date=1371167381]
                        Nope, never had an issue.

                        I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

                        They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.
                        [/quote]

                        Wops i did it again… fried two boards overnight…!
                        7950 is a NONO with 4 cards without powered extenders! (sapphire has 2x6pins connectors on their 7950)
                        http://forum.feathercoin.com/index.php?topic=2169.msg17209#msg17209
                        [/quote]

                        Gigabyte 7950’s have a 6pin and a 8pin.

                        1 Reply Last reply Reply Quote 0
                        • S
                          svennand Regular Member last edited by

                          [quote name=“Pyxis” post=“18910” timestamp=“1372612927”]
                          [quote author=svennand link=topic=264.msg17217#msg17217 date=1372011783]
                          [quote author=Nutnut link=topic=264.msg14421#msg14421 date=1371167381]
                          Nope, never had an issue.

                          I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

                          They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.
                          [/quote]

                          Wops i did it again… fried two boards overnight…!
                          7950 is a NONO with 4 cards without powered extenders! (sapphire has 2x6pins connectors on their 7950)
                          http://forum.feathercoin.com/index.php?topic=2169.msg17209#msg17209
                          [/quote]

                          Gigabyte 7950’s have a 6pin and a 8pin.
                          [/quote]

                          Still think you need powered extenders if your going to mine 4 cards=P. i’ve fried ALOT=P
                          Also with 4x7970 all having 2x8pins

                          1 Reply Last reply Reply Quote 0
                          • P
                            pyxis last edited by

                            [quote name=“svennand” post=“18913” timestamp=“1372613266”]
                            [quote author=Pyxis link=topic=264.msg18910#msg18910 date=1372612927]
                            [quote author=svennand link=topic=264.msg17217#msg17217 date=1372011783]
                            [quote author=Nutnut link=topic=264.msg14421#msg14421 date=1371167381]
                            Nope, never had an issue.

                            I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

                            They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.
                            [/quote]

                            Wops i did it again… fried two boards overnight…!
                            7950 is a NONO with 4 cards without powered extenders! (sapphire has 2x6pins connectors on their 7950)
                            http://forum.feathercoin.com/index.php?topic=2169.msg17209#msg17209
                            [/quote]

                            Gigabyte 7950’s have a 6pin and a 8pin.
                            [/quote]

                            Still think you need powered extenders if your going to mine 4 cards=P. i’ve fried ALOT=P
                            Also with 4x7970 all having 2x8pins
                            [/quote]

                            You really have shitty luck mate, my current rig has been running a few months without powered risers, my rig before that used the same card setup with no powered risers since xmas.

                            Saying all that, I keep the rig in the shed in case it explodes, if it does I will call it the svennand curse :D

                            1 Reply Last reply Reply Quote 0
                            • S
                              svennand Regular Member last edited by

                              [quote name=“Pyxis” post=“18915” timestamp=“1372613450”]
                              [quote author=svennand link=topic=264.msg18913#msg18913 date=1372613266]
                              [quote author=Pyxis link=topic=264.msg18910#msg18910 date=1372612927]
                              [quote author=svennand link=topic=264.msg17217#msg17217 date=1372011783]
                              [quote author=Nutnut link=topic=264.msg14421#msg14421 date=1371167381]
                              Nope, never had an issue.

                              I do only stick to 4 cards per board though and being 7970s they have an 8pin connector that allows more power than the 6 pins on the 7950’s. It seems that the PCIe power sockets are limited in current and any shortfall is drawn from the boards. As you’ve seen, Svennand had just melted his 24 connector (first i’ve seen from a reliable source) but he was running 6 cards on 1 board. :o

                              They’re dead easy to make though. Just cut through 2 wires on 1 side and 3 on the other, strip them, twist them all together, solder a molex, job done. If you do find you need to make some, make sure you CUT the wires else you’ll allow the current back through the track on the mobo and potentially burn the tracks. The bought ones aren’t cut.
                              [/quote]

                              Wops i did it again… fried two boards overnight…!
                              7950 is a NONO with 4 cards without powered extenders! (sapphire has 2x6pins connectors on their 7950)
                              http://forum.feathercoin.com/index.php?topic=2169.msg17209#msg17209
                              [/quote]

                              Gigabyte 7950’s have a 6pin and a 8pin.
                              [/quote]

                              Still think you need powered extenders if your going to mine 4 cards=P. i’ve fried ALOT=P
                              Also with 4x7970 all having 2x8pins
                              [/quote]

                              You really have shitty luck mate, my current rig has been running a few months without powered risers, my rig before that used the same card setup with no powered risers since xmas.

                              Saying all that, I keep the rig in the shed in case it explodes, if it does I will call it the svennand curse :D
                              [/quote]

                              hehe love it :P

                              1 Reply Last reply Reply Quote 0
                              • ?
                                A Former User last edited by

                                http://imgur.com/a/qbJG8

                                All minus 1 rig, i can hit 10,500khs but it’s usually lower than that because of heating issues, 6" in line fan should be here Monday. :)

                                1 Reply Last reply Reply Quote 0
                                • J
                                  justabitoftime last edited by

                                  Running 3 milkcrate 4card 7950 rigs without power extenders.

                                  1 Reply Last reply Reply Quote 0
                                  • M
                                    Myerss last edited by

                                    Heres my rig setup, both running Headless Xubuntu 12.10 , ATI drivers 12.10

                                    First one is 4x 6970 different brands. CGminer 3.3.1, Engines 925 Mhz, Memclocks 1375 Mhz, TC 14024, Intensity 20
                                    Fans 75%, Temps 65-77c. Cards are stable @ ~500Kh/s each…power consumption? dunno? :)

                                    Second is 3x 6970, 1x 6950 shaders unlocked. Cgminer 3.1.1 same Engs, Mems,Fans and TCs except for the 6950 has TC 8128
                                    Temps 65-73c, the 6970s @ ~500Kh/s and the 6950 @ ~496 (The Sapphire dirt ed 6950 in pic is replaced with a XFX 6950 due to shader unlock problem)

                                    Desktop computer (no pic) with Win 7 runs one ATI 5970 @ ~700Kh/s Intensity 19 temp 83c

                                    [img]http://i1295.photobucket.com/albums/b636/Swejenk/C__Users_Jens_AppData_Local_Packages_microsoftmicrosoftskydrive_8wekyb3d8bbwe_LocalState_fc_741B8B75C07119E8374_20130717_165_zps24c098b8.jpg[/img]

                                    [URL=http://s1295.photobucket.com/user/Swejenk/media/C__Users_Jens_AppData_Local_Packages_microsoftmicrosoftskydrive_8wekyb3d8bbwe_LocalState_fc_741B8B75C07119E8375_20130717_165_zps305abb50.jpg.html][IMG]http://i1295.photobucket.com/albums/b636/Swejenk/C__Users_Jens_AppData_Local_Packages_microsoftmicrosoftskydrive_8wekyb3d8bbwe_LocalState_fc_741B8B75C07119E8375_20130717_165_zps305abb50.jpg[/img][/URL]

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                                    • S
                                      svennand Regular Member last edited by

                                      [quote name=“Justabitoftime” post=“21480” timestamp=“1373752964”]
                                      Running 3 milkcrate 4card 7950 rigs without power extenders.
                                      [/quote]

                                      Worked a while for me to…:)
                                      Then one day…barbeque

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                                      • C
                                        chrisj Regular Member last edited by

                                        [quote name=“Benny” post=“6567” timestamp=“1369541361”]
                                        [img]http://i.imgur.com/UoAMolK.jpg[/img]

                                        There’s mine… Older picture. Have more hashing power up and a 2nd shelf, too. 15MH, and expanding to about 20MH in the next day or so.

                                        Top hashrates are from about 8 Gigabyte 7950s that do ~650KHs stable @ 75*C.

                                        If anyone has any generic questions, feel free to ask. I have trained it periodically on FTC. Plan to do so after awhile on FTC yet again.
                                        [/quote]

                                        Going back through old posts, I used to love pics like this.

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                                        • C
                                          chrisj Regular Member last edited by

                                          [quote name=“handyrandyrc” post=“27726” timestamp=“1378828762”]
                                          It’s the garage heater. Just a pair of little cards in there 7550 and 6670. Each good for about 100k – fan on the 7550 hardly ever even spins unless it really warms up in there…
                                          [/quote]

                                          Nice, tweeting that!

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                                          • P
                                            padda last edited by

                                            We are waiting for risers so it wont be like this forever
                                            we got 3x 5970
                                            The rig is doing about 2360 khs

                                            [url=http://postimg.org/image/6euuqx2bt/][img]http://s12.postimg.org/6euuqx2bt/IMG_0128.jpg[/img][/url]
                                            [url=http://postimg.org/image/t0bed1071/full/][img]http://s30.postimg.org/8sxykq2pt/IMG_0129.jpg[/img][/url]
                                            [url=http://postimage.org/]photo hosting[/url]

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