BenTuras
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November 15, 2013, 09:15:03 PM |
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dd if=/dev/sdx of=/path/to/image bs=1M how do i determine what sdx and /path/to/image is in Ubuntu? Just type df and you should see the sd card and known which /dev/sdx it is. Why do you want to copy the bad card ? Why not just download a fresh image and write it to a new sd card ?
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cypherdoc
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Activity: 1764
Merit: 1002
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November 15, 2013, 09:22:42 PM |
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dd if=/dev/sdx of=/path/to/image bs=1M how do i determine what sdx and /path/to/image is in Ubuntu? Just type df and you should see the sd card and known which /dev/sdx it is. Why do you want to copy the bad card ? Why not just download a fresh image and write it to a new sd card ? i have a good card to copy from. do you have a link to download a fresh image for v2.2 h boards, and v3 m boards?
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BenTuras
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 15, 2013, 09:28:04 PM |
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dd if=/dev/sdx of=/path/to/image bs=1M how do i determine what sdx and /path/to/image is in Ubuntu? Just type df and you should see the sd card and known which /dev/sdx it is. Why do you want to copy the bad card ? Why not just download a fresh image and write it to a new sd card ? i have a good card to copy from. do you have a link to download a fresh image for v2.2 h boards, and v3 m boards? There are links in OP
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greaterninja
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 16, 2013, 07:12:30 PM |
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So about 12 hours ago my bitfury miner stopped.
I was wondering what the hell happened. I thought it was my cards or SD card again.
turns out I can mine on slush's pool and elgius but not on s1.ghash.io:3333
not sure wtf happened.
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GandalfG
Sr. Member
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Merit: 250
Dig your freedom
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November 16, 2013, 11:48:04 PM |
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So about 12 hours ago my bitfury miner stopped.
I was wondering what the hell happened. I thought it was my cards or SD card again.
turns out I can mine on slush's pool and elgius but not on s1.ghash.io:3333
not sure wtf happened.
Proper adressess US us1.ghash.io:3333 EU nl1.ghash.io:3334 try use stratum+tcp://us1.ghash.io:3334
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Want to say thanks? 16ragydppe9QFRVhrdwEUjgfMS7KCfEFGY
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juhakall
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 17, 2013, 01:34:19 AM |
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So about 12 hours ago my bitfury miner stopped.
I was wondering what the hell happened. I thought it was my cards or SD card again.
turns out I can mine on slush's pool and elgius but not on s1.ghash.io:3333
not sure wtf happened.
Proper adressess US us1.ghash.io:3333 EU nl1.ghash.io:3334 try use stratum+tcp://us1.ghash.io:3334 ghash.io just had some downtime right at that moment. I'm not sure about stratum proxy, but at least with BFGMiner if you omit the stratum+tcp:// part connecting to ghash.io will take a very long time. Haven't seen any other pool with that kind of issue. Without stratum+tcp://, the miner will try to connect using HTTP at first, and on all other pools, that always fails immediately so it tries stratum next.
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goxed
Legendary
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Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
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November 17, 2013, 04:47:11 AM Last edit: November 17, 2013, 09:52:49 AM by goxed |
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![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FpuIkEZC.jpg&t=665&c=Js2EiQIeGb8B4g) 1 AIfDSo 56 2.777 2.558 194 0 0 0 242 [0:0] 1 12 12 12 12 13 13 12 12 12 12 12 12 12 12 12 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 AIfDSo 55 2.477 2.494 173 1 0 0 236 [0:1] 37 11 11 11 11 11 10 10 11 11 11 11 11 11 10 11 11 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 AIfDSo 54 2.334 2.452 163 3 0 0 232 [0:2] 38 11 11 11 11 11 10 10 10 10 10 10 9 10 10 9 10 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 4 AIfDSo 56 2.620 2.336 183 1 0 0 221 [0:3] 2 12 11 11 11 11 11 11 11 11 12 11 12 12 12 12 12 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 5 AIfDSo 54 2.520 2.632 176 12 0 0 249 [0:4] 1 10 11 11 12 11 11 9 12 12 11 11 11 11 12 11 10 1 0 0 0 1 1 3 0 0 1 1 1 1 0 1 1 6 AIfDSo 54 2.362 2.706 165 14 0 0 256 [0:5] 5 9 10 11 11 10 11 11 11 10 10 11 11 10 10 9 10 2 1 1 1 2 0 0 0 1 1 0 0 1 1 2 1 7 AIfDSo 55 2.033 2.759 142 26 0 0 261 [0:6] 36 8 9 9 8 8 8 9 10 10 8 10 9 10 9 11 6 2 1 1 2 2 2 1 1 1 3 1 2 1 2 0 4 speed down 8 AIfDSo 54 2.849 2.706 199 1 0 0 256 [0:7] 2 12 12 12 12 12 12 12 13 13 13 13 12 13 13 13 12 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 9 AIfDSo 56 2.377 2.399 166 0 0 0 227 [0:8] 4 10 11 11 11 11 11 11 10 10 10 10 10 10 10 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 AIfDSo 56 2.448 2.399 171 0 0 0 227 [0:9] 6 10 10 10 11 11 11 11 11 11 11 11 11 11 11 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 AIfDSo 54 2.462 2.357 172 0 0 0 223 [0:A] 5 11 11 11 11 11 11 11 11 11 11 10 10 10 10 11 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 speed up 12 AIfDSo 54 2.248 2.378 157 0 0 0 225 [0:B] 26 10 10 10 10 10 10 10 10 10 10 10 10 10 9 9 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 AIfDSo 56 2.419 2.537 169 2 0 0 240 [0:C] 3 11 11 11 11 11 11 11 10 10 10 9 10 11 10 11 11 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 14 AIfDSo 56 2.591 2.431 181 2 0 0 230 [0:D] 0 12 12 11 11 11 11 11 10 11 10 11 12 12 12 12 12 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 15 AIfDSo 54 1.890 2.960 132 102 0 0 280 [0:E] 7 11 9 10 9 9 9 10 7 6 10 9 8 8 4 5 8 4 6 5 6 6 6 5 8 8 4 5 6 6 10 10 7 speed:824 noncerate[GH/s]:36.407 (2.427/chip) hashrate[GH/s]:38.104 good:2543 errors:164 spi-errors:0 miso-errors:0 jobs:375 (record[GH/s]:37.037) 0: 824 36.407 38.104 2543 164 0 0 Used a modded EOL card with 15 chips for this test. At 0.9V
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Revewing Bitcoin / Crypto mining Hardware.
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Cablez
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Merit: 1000
I owe my soul to the Bitcoin code...
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November 17, 2013, 04:50:10 AM |
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And how well does that regulator seem to work?
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Tired of substandard power distribution in your ASIC setup??? Chris' Custom Cablez will get you sorted out right! No job too hard so PM me for a quote Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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goxed
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Bitcoin / Crypto mining Hardware.
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November 17, 2013, 05:55:39 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them.
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Revewing Bitcoin / Crypto mining Hardware.
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cypherdoc
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November 17, 2013, 06:12:41 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. why can't you mount the heatsinks on the chips themselves? are they mounted on the backside?
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goxed
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Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
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November 17, 2013, 06:28:55 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. why can't you mount the heatsinks on the chips themselves? are they mounted on the backside? yes there are heatsinks on the backside as well. I guess I need to source beefier heatsinks to test the board at >0.85V
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Revewing Bitcoin / Crypto mining Hardware.
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Keefe
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November 17, 2013, 07:06:51 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. Do you know how many amps you're pulling from that 30A regulator? Don't you want something a little beefier like 40A? And is an output side inductor unnecessary for that regulator?
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goxed
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Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
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November 17, 2013, 08:20:18 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. Do you know how many amps you're pulling from that 30A regulator? Don't you want something a little beefier like 40A? And is an output side inductor unnecessary for that regulator? Actually I donot have the testing tools to measure > 10A current. This chip is actually a 2phase regulator with 20A OCP limit per phase. So I am drawing less than 40A for sure. There are 2 0.2uH inductors inside the chip ![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif) . If bitfury will ever reduce prices of their chips, my plan is to get boards built and quickly solder the chips and couple of decoupling caps thrown in and connect this regulator on the outside. No fuss no muss.
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Revewing Bitcoin / Crypto mining Hardware.
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Keefe
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 17, 2013, 08:30:08 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. Do you know how many amps you're pulling from that 30A regulator? Don't you want something a little beefier like 40A? And is an output side inductor unnecessary for that regulator? Actually I donot have the testing tools to measure > 10A current. This chip is actually a 2phase regulator with 20A OCP limit per phase. So I am drawing less than 40A for sure. There are 2 0.2uH inductors inside the chip ![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif) . If bitfury will ever reduce prices of their chips, my plan is to get boards built and quickly solder the chips and couple of decoupling caps thrown in and connect this regulator on the outside. No fuss no muss. Nice! Maybe you could determine the amperage by measuring the resistance of the wire bundle between the reg and card while powered off, and voltage drop while running. Though it might not be possible to isolate it for the resistance measurement without desoldering. Do those wires get hot? Could you make H-boards with that Intersil reg onboard?
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Keefe
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 17, 2013, 09:00:48 PM |
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Is the VRM working? Check voltage at the top of the Pulse inductor. You can use the M-board's ground screw for negative if you don't need an accurate reading.
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goxed
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Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
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November 18, 2013, 02:59:11 AM |
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And how well does that regulator seem to work?
very well in fact. No overheating issues until max 1V that I have tested, but the bitfury chips get super hot, since I donot have adequate heatsinking for them. Do you know how many amps you're pulling from that 30A regulator? Don't you want something a little beefier like 40A? And is an output side inductor unnecessary for that regulator? Actually I donot have the testing tools to measure > 10A current. This chip is actually a 2phase regulator with 20A OCP limit per phase. So I am drawing less than 40A for sure. There are 2 0.2uH inductors inside the chip ![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif) . If bitfury will ever reduce prices of their chips, my plan is to get boards built and quickly solder the chips and couple of decoupling caps thrown in and connect this regulator on the outside. No fuss no muss. Nice! Maybe you could determine the amperage by measuring the resistance of the wire bundle between the reg and card while powered off, and voltage drop while running. Though it might not be possible to isolate it for the resistance measurement without desoldering. Do those wires get hot? Could you make H-boards with that Intersil reg onboard? I will try that. Right now I am doing stress test with the regulator ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) The wires are a bit warm but nowhere near hot ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) . My PCB dev skills are pretty rusty now, I used Orcad like 10yrs ago for school projects ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) , and haven't designed any more boards after that. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2Fr9gdAEN.png&t=665&c=bRypfRhjsdquxQ) I am trying to re-learn now with Eagle software, and it will take some time for me to design a board with a new regulator. Thats why I wanted to go ahead and get the original design fabbed and plug an external regulator.
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Revewing Bitcoin / Crypto mining Hardware.
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cypherdoc
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November 18, 2013, 07:44:13 PM |
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Dave, we need the link the v3 sd card image.
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Gyrsur
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Bitcoin Legal Tender Countries: 2 of 206
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November 19, 2013, 02:36:29 PM |
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why do my hashrate diversify so much with "autotune off" and "55" for all chips. between 520 and 440.
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Keefe
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 19, 2013, 09:37:34 PM |
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why do my hashrate diversify so much with "autotune off" and "55" for all chips. between 520 and 440.
You probably have some H-boards with overloaded VRMs. Check /run/shm/.stat.log every 5 minutes and see if the hashrate of some chips are changing significantly. If so, turn down the speeds on all the chips on that H-board until that H-board's VRM can handle it.
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