check what your /opt/bitfury/proxy_pools.conf is set too.
I would consider also restarting the stratum server first before restarting the miner.
Yup I did all that and found that it didn't help. I think there's a problem with the card. Sometimes it hashes at regular rates, other times it stops hashing for some time. It's like sometimes the chips are partially failing... check also that the cards are properly seated in the socket. Also if you get any chips that are operating at sub 1.0 speed then set it to disabled and see if that helps. type this in ssh console nano /run/shm/.stat.log scroll to the bottom by pressing page down and see if you have any bad or off chips that may have been detected by autotune. If you do i start by disabling them to get the board working good. |
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Hi all, I just noticed I am running into problems after 2 days hashing on slush. It is now showing 0 noncerate. I've tried start/stop miner but no good. ssh'd in and tried this: root@bitfury:/opt/bitfury# ./start-miner-console.sh INIT: 0 chips detected ./start-miner-console.sh: line 1: 2274 Floating point exception/opt/bitfury/chainminer/miner Also tried rebooting rpi. The only thing I haven't done is power off the whole unit -- which I cannot do till I get home. Did something die?  check what your /opt/bitfury/proxy_pools.conf is set too. I would consider also restarting the stratum server first before restarting the miner. |
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Just wanted to put the question that most are wondering. Can Avalon make a comeback? Vote and post reasons why  Avalon Generation Two chips completely backward compatible in every way with 110nm generation one chips, which can be expect to go on sale Late October 2013 for immediate shipping. Avalon will no longer participate in any kind of pre-ordering. Developers and Hobbyists should keep an close eye on our github account as we will be releasing the 55nm chip specification and reference design soon! http://us5.campaign-archive1.com/?u=238a9ecd2e5192e3cd3ace26d&id=1a696dd59b&e=0363a0e3eb |
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I do everything with 0.8 mm chisel tip. But I agree with fpgaminer. Use good solder, and make sure it's fresh. Don't let the flux evaporate, and if you do then wipe tip clean and start again. My favorite solder wire for rework is Multicore crystal 511.
I don't know if it has been said however cscape you have been a boon for this community with your open ability to share your experiences and suggested support. This also applies to most that have posted in this thread. To all you lurkers out there. Take a page out of his book and share with us your success and failures. |
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I have what feels like a newb issue, but not sure what to do.
Starter kit all set up. I think everything connected properly, no lose wires and it matches other's install pictures.
But when I turn the power on (manual switch, I get a green light), it starts but my monitor's "Power" and "Menu" light just pulse on and off. No picture on the screen. Those lights never pulse.
I just took the monitor off a working PC and it's fine. I did have to buy a HDMI to DVI adapter for the monitor but that should not be the issue.
Any thoughts would be appreciated. Thanks in advance!
When you power on the raspberry pi you should see a red led indicating power and activity led light will flash at about the same time if your SDCard is inserted and detected. If all you get is the Red LED then perhaps the sd card is the issue? Thanks guys I'll try both tomorrow. Rig is not with me now. Is the Rpi light on the bottom or top? its in the bottom right on the board to the right of the usb ports.  |
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I have what feels like a newb issue, but not sure what to do.
Starter kit all set up. I think everything connected properly, no lose wires and it matches other's install pictures.
But when I turn the power on (manual switch, I get a green light), it starts but my monitor's "Power" and "Menu" light just pulse on and off. No picture on the screen. Those lights never pulse.
I just took the monitor off a working PC and it's fine. I did have to buy a HDMI to DVI adapter for the monitor but that should not be the issue.
Any thoughts would be appreciated. Thanks in advance!
When you power on the raspberry pi you should see a red led indicating power and activity led light will flash at about the same time if your SDCard is inserted and detected. If all you get is the Red LED then perhaps the sd card is the issue? |
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cable reworked but no luck so far, also wrapped some alu foil around it, doesnt help.
Have you tried it on a new raspberry pi? Not sure if that first Raspberry pi suffered damage due to having power feed on wrong pins originaly. Consider trying that first if you can. Edit: Also use an ohm meter to check the continuity of a cables 1 to 1, 2 to 2, and so on. http://www.tigerstop.com/tigertamer/Using_an_Ohm_Meter.htm |
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The project financing was done with IPO funds, and not with orders that were placed in August. Also the IPO for that mine is available to the public as well.
Are you referring to https://picostocks.com/stocks/view/19Or something else ? Thats it. |
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You saying they use the hardware for their own enrichment instead of shipping to customers?
That is not very nice at all... I think you're getting it wrong. They aren't mining with customers hardware, but their own slice of the cake not promised to customers in the first place. Nothing wrong with that. The project financing was done with IPO funds, and not with orders that were placed in August. Also the IPO for that mine is available to the public as well. |
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Great work. Thank you.
By saving a copy in my google apps folder I was able to make modifications to the file for KnC Miner
O4 start date to 24/9
P4 to 147 million
R4 to =14/(1+Q4)
O12 to $122
That is still optimistic for a KnC delivery date, but suggests lifetime Day1 Jupiter mining of approx 63btc.
At least its in the general public's hands rather than centralized. However I truly hope they will reward those that had supported them with first orders a discount voucher for return customers |
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Hey guys,
Now to the bad News guys:
As you know in designing the Case I considered primarily the old mboard, the only change I made is hole alignment on bottom to fit both mboards.
The big Problem is that the Raspi looks in the wrong direction when mounted directly on the new mboard to the Fans.
Current projects if you are interested is an Shash board Case.
regards
Foofighter
Try making the flat cable much shorter. It might be too long, just picking up noise. And do you have a seprate thread on the S-HASH casing? Highly interested:) intron As far as V1 M Board the default cable would normally work. However the problem is the orientation of the connections. One end of the cable will have pin 1 row connect to pin 2 row and pin 2 row will connect to pin 1 row. Thats not good You have to modify one end of the cable to make pin 1 /row attach correctly. Original Cable.  Cable reworked.  |
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BitFury and punin did a great job. They are heroes in the bitcoin community.
The bet is long over. Just confirming that a UNIT is whatever fits on a single M-board connected to a Raspberry-Pi.
And of course I have integrity. If I didn't, I would have created a second account to ask the question. I have nothing to hide.
your account has 16 posts, most of which focus on arguing/asking what constitutes a bitfury 'UNIT', which directly relates to a bitbet you lost. (the bet was that bitfury would deliver on their promise to deliver units at 400Ghash and under 400w, by the end of august - They did, albeit adding a little extra hardware to compensate a rushed manufacturing process that wont occur again If they wanted to they could of OC'ed the units and then send us 450+ even with bad manufacturing due to rush order rather then higher quality. 347 Watts @120v  58 Watts @120v  Edit Update 368w @ 120v  60W @ 120V  |
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For a more durable way to overvoltage the boards you should replace resistor R01F. The nominal value is 1.0K, and to increase the voltage the resistor needs to be replaced with one of a higher value. A value of 1.5K is generally still safe, and should increase voltage from 0.65 to 0.7. If you want to go higher, you can try 2.2K or maybe even 3.3K if you feel lucky. Of course, as punin said, this will void your warranty, and may break your card. Keep a close eye on the regulator temperature. Also, the resistor is in a somewhat tricky position to desolder, and you risk getting tin on the pins of the regulator. The resistor should be 0603 size to fit properly on the pad. Also, I recommend a 1% type with low temperature coefficient. Resistors with high positive temperature coefficient may cause thermal runaway: as the resistor heats up, the voltage increases, causing the resistor to heat up even more.  Note: if you accidentally mess up the capacitor next to the resistor (C10F), and you wish to replace it, use 1nF, 50V, X7R type. Similarly, resistor R02F is 10k, 1%.  |
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just had a board stop hashing on me. it stopped hashing and everyone other board after it on the m-board stopped hashing too. I moved the board around on the mboard and again all boards after it stop hashing too. anyone have suggestions on how to troubleshoot?
edit: it was working perfectly fine before
Do you have a fan moving air around it? not much just a little will do as I have found. Still learning here. |
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I had a similar issue ... somehow if I use load balanced mining .... with 40-42GH on 3 pools im getting 13GH at BTCGuild ... 13GH .... at eligius ... and 12 GH at Bitminter ...
if I change to mine 100% on BTCGuild it shows me 20-30 GH only .... i tryed with 16,32 & 64 diff
Have you tried the reported accepted shares from BTCGuild to the accepted shares the client reports? This way you can compare with accuracy. |
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Since the BitFurys seem to be able to run just fine without any/much cooling, I've decided to simplify the case a bit:  Fans can still be attached to the bottom extrusions or to the top support beam (via an optional set of fan tabs and fasteners). Note that the PSU is now fastened to the tray (via two stainless steel "fan tabs"). These changes will reduce the cost of the case somewhat and allow me to build them faster.  Thoughts? how about the ability to have two units onto one? Will it fit with the existing design minus the fans? |
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#13X still sitting at CC paid, i will be a little dissapointed if it doesnt update tonight. Punin shipped pretty much every single on of his orders within 2 days, and dave has had the entire set of m and h boards since friday
However hopefully most orders will not have the sensitive settings and setup that some have reported needing to be done to get best performance. Way TMI, but I am very happy for you...and your carpet. Condolences to your pants.
LOL +1 |
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I must add two small notes:
1) The true number of employees involved in the process are at least several thousand. You must include all the employees that are involved in FedEx for example (or any other carrier we use to ship different components around), to employees in all the companies in the supply chain, PCB and assembly divisions, Wafer Foundry, etc ... The list goes on and on.
2) The sensitivity in our situation comes from the fact that initial delays were incurred. Long story short, at best we could have added 2 months error margin to the initial timeline given to us (which we did). In order to know what the exact delay is going to be (in any project), you need to know the future. We would've purchased a crystal-ball to let us know in advance.. but the company that makes crystal-balls just went out of business...
Regards,
Nasser
I am sorry to have to correct you, but at best you could have added a 10 month error margin. Then you would be shipping on time, instead of very very late. Other companies manage to use FedEx without being 10 months late. They also manage to make PCBs without being 10 months late. Indeed the list goes on and on. Even at this late juncture, you are still pushing your own failures off onto other companies. If you can't manage to ship things via FedEx, you probably shouldn't be selling things over the internet. We could have added 10 years of error margin as well. But to know the exact number, you need to know the future. Regards, Nasser P.S. The FedEx example was used to demonstrate how little logistic elements can affect an active production line, it was not related to the initial delay in any way. We do appreciate your effort in making things clear for those who may not know the process. However the customer now is wanting to know how much longer, and if the delay's become unacceptable. Then once again have the option to get a refund and put their bets on another horse. Or if they can't then the best form of compensation is to increase the amount of sold hashrate to appease the loss of return for the delay to those whose orders have yet to be fulfilled. Perhaps a % of the purchased mining speed given gratis for the next gen item or something along those lines. This strategy seems to have helped with other manufacturers and may help reduce existing customers from running for the exits. It is just a suggestion, as some have expressed their disappointment of not having the ability to make a truly informed decision as to your projects particular circumstance. Edit: FYI Bitfury NA Megabigpower Order ID: 47 Date Ordered: 08/07/2013 Date Shipped: 09/04/2013 Your order has been updated to the following status: Shipped |
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From what I can see ask walls are going up and down between 125 and 130 faster then humanly possible.
It seems their is an algorithm or two trying to liquidate some substantial btc at this time.
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