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What do you have the minimum difficulty set for the U3 worker in Slush pool. If set for 256 it might be a bit much for that unit. I would suggest logging in and setting minimum difficulty level to 32 for a U3.
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Anyone else having issues with Slush's Pool right now?
I'm trying to figure out a weird issue...
Originally I had issues getting my U3 to work on my desktop, so I got it up and going on my laptop... works great... problem is when I have to use my laptop for work, I have to VPN into my work, so I can't get pools to work anymore... so I had to move it back to my desktop...
I get CGMiner to work on my desktop where it recognizes the U3 now, after wiping out all device manager hidden devices and what not with it unplugged... problem is now it can see the device but it keeps saying:
Pool 0 difficulty changed to 32
And it never starts up... my URL, User, and Password is the exact same as on my laptop, but doesn't seem to work.
I can connect to GHash.IO's pool just fine though...
I might not be much help with connection issues but curious where you bought your U3 and how much did you pay for it? Are you antivirus programs the same on both computers? Maybe it is blocking the port needed to connect to the stratum server. Also do you have to enter a USB ID into cgminer? If so, that would change between computers. Sounds like the program is seeing the stratum server but not your U3. If you are on a USB hub, try a USB port directly on computer and not a hub. Good luck getting it working. I have an Antminer S3 but every intriqued by these devices and would not mind owning one. |
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So basically it steals your shares and pays you a fraction of what you would normally get because you had to shut down? Who gets the reward from those shares? Kind of messed up but good to know.
I think it redistributes them to everyone else who stayed online during the entire round. Look at this post. Shares at the beginning of a round have less value then shares in the end of a round. https://bitcointalk.org/index.php?topic=1976.msg50002#msg50002 |
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Whats the formula? I assumed it was Your shares / Total shares x Block value = Your BTC reward
It is somewhere on the website but you are penalized every time you disconnect as the algorithm presupposes you are pool-hopping. |
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Pool performance jumped - somebody redirected big power to slush, possible some company tested something.
Just now they dropped out, so, after that back to "normal" payout...
Slush luck is dropping now, so faster to go trough blocks is not bad thing.
Did you look at the data? Pool performance didn't jump. I received 25 times less BTC than I should have. I usually receive .0016-.0018 BTC per payout. .00005 is a lot less than that. I got screwed for some reason. You submitted less shares in the 11:54 round than in the 8:53 round. Likely your miner went offline or you took it offline shortly before the 9 hour mark of the block, and because of the way the Slush scoring algorithm works you received a much lower payout. Yeah I took it offline for a few hours but I didn't know I would receive 96% less payout otherwise I would have taken it offline for the entire 12 hours. How does the algorithm work? Need to wait for a block to be found then take it offline. If taken offline during a round you lose substantial part of reward. |
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I have 6 coupons good for $400 off the Bitmain S4 units. If you need these please make an offer by PM. Also have a couple $50 off S3+ coupons if anyone is interested. Thanks.
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BITMAIN Promotion plan for S3+, S4 and C1 $50 coupon for S3+, $400 coupon for S4 and $50 coupon for C1 are issued to customers who ever bought miners from BITMAIN or our official distributors  In my account are the S3 and S4 coupon, but not any C1 coupons. |
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ok - think I got it now.
The chip stores your unencrypted mnemonic - it doesn't need to encrypt it as everything related to private keys is processed internally.
If you encrypt your mnemonic, you'll end up with a different mnemonic, which decodes to the same seed as the first mnemonic after you provide the password.
so the chip, the unencrypted mnemonic, and the encrypted mnemonic + associated password are generating the same wallet.
Yea, that is what I am pretty sure it is doing; but never heard of this happening with anyone else. It didn't ask me if I wanted another mnemonic to encrypt the original with a password, it just did it and showed me a second mnemonic. Was very confusing because then it asked me to confirm the mnemonic with five words and the second one was wrong, had to use the first one. Good thing I backed up both of them.  |
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I have a question about setup with Green Address wallet. I went through procedure to setup my BTCHIP HW1. It generated a mnemonic and I told it to write it to the card.
This part looks allright All seemed to work okay but after that setting up the HW1 it showed me another mnemonic and told me to keep that one also. I was puzzled why I had two and which one was good so I save both. Then when it told me to confirm the mnemonic by entering five words, the five words that worked were from the first mnemonic written to the HW1.
This is the weird part, I don't understand where this second mnemonic is coming from. It looks like you restarted the setup part at some point. But if I use Green Address wallet without the HW1 and use the second mnemonic and password I entered I get the same wallet addresses. Is this normal behavior or did I do something wrong. I find it strange that two very different mnemonic can result in the exact same wallet.
Yes, it should not happen. My guess is that you're still using a password associated to the first mnemonic (which is also written to the chip) so the second mnemonic is never used. That doesn't explain what is is though - maybe you can retrace everything you did. One chip holds only 1 address seed or it can hold more than 1??
only a single seed
I think it can only hold 1 mnemonic. You will need to wipe to get a new mnemonic.
~~MZ~~
correct No. Because if I use the second mnemonic without the HW1 it tells me to enter password for encrypted mnemonic and opens same wallet. HW1 with pin opens same wallet. I just did wallet setup step by step and after saving first mnemonic to card showed me a second one. Not a second wallet. They open the same wallet. |
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ahh I see what happened, I was looking at the stats for ghash and it was an ORPHAN block, not our faults, so anytime that the one of the hashing boards goes off it means an ORPHAN block happened, keep that in mind.
The Orphan block must have confused the miner and caused it to go into a shutdown state. Wierd.
But why would it do that if I was on Slush Pool? And why does the chain stay offline and not resume work without a power down and restart? |
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Just had a strange issue on my S3+. It was only hashing about half what it should be. It is clocked at 225 (default) and in room with aircon on. All the Asics showed working. Temps were 38C on one blade and only 23C on the other blade. Resetting pool configurations did not change this. It appeared that one blade was working at full speed and the other blade showed good but not doing any work. After being puzzled I finally just powered down the S3+, waited and powered it back up. Now both blades are hashing again and temps coming up. Is this just an issue of the controller getting confused? For now it is hashing at full speed again.
!!!!!!!!!! I had that same problem above check a few posts above yours, interesting coincidence that it happened to you too, is thier some kinda virus or bad work units foating around that disables the miners, or a faulty design in the s3 or something  it has to be a network wide issue if we both got it at the same time. I'm using Ghash pool btw, are you on the same one? I'm thinking about changing pools if it happens again.... I am hashing on Slush's Pool. Weird happened to both of us around same time? |
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I have a question about setup with Green Address wallet. I went through procedure to setup my BTCHIP HW1. It generated a mnemonic and I told it to write it to the card. All seemed to work okay but after that setting up the HW1 it showed me another mnemonic and told me to keep that one also. I was puzzled why I had two and which one was good so I save both. Then when it told me to confirm the mnemonic by entering five words, the five words that worked were from the first mnemonic written to the HW1. But if I use Green Address wallet without the HW1 and use the second mnemonic and password I entered I get the same wallet addresses. Is this normal behavior or did I do something wrong. I find it strange that two very different mnemonic can result in the exact same wallet.
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Just had a strange issue on my S3+. It was only hashing about half what it should be. It is clocked at 225 (default) and in room with aircon on. All the Asics showed working. Temps were 38C on one blade and only 23C on the other blade. Resetting pool configurations did not change this. It appeared that one blade was working at full speed and the other blade showed good but not doing any work. After being puzzled I finally just powered down the S3+, waited and powered it back up. Now both blades are hashing again and temps coming up. Is this just an issue of the controller getting confused? For now it is hashing at full speed again.
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That was a very shortlived Bitcoin rally. Price is almost back where it was.
And the pool luck going down the other side of the hill right now. Daily luck at 86%. Yesterday it was in the 200s. |
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OP or moderator, just lock this thread already. Not dead. Quite handy for some of us who know what to mine. |
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Price for S3+ B11 is $210 per unit now  $210? It was hovering around $180 the past 2 weeks, and the C1 has 2x the hashrate, lower shipping, and an external cooling kit for less - what gives? ps: any plans to be competitive with the SP20? Its pricing is very good, and the shipping to Canada is much less than with the S3+ or c1 products The C1 is a water cooling unit, besides the external cooling kit you have to buy all the other water cooling equipment needed for it, its why the actual unit is cheaper. If you look at batch 2 of the C1, which is on sale now, they are now including all the water cooling parts with the unit. |
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When I put the key into a USB port on my Windows 8.1 machine I hear the computer beep but I cannot find the device in device manager and it is not on the list for the hardware ejector. Is it listed somewhere and possible to eject? Or is it just okay to remove it without being able to stop it first?
There is no need of drivers in Win8 but you might want to try installing win drivers. Just try it or wait for btchip to come. ~~MZ~~ What do you mean "wait for btchip to come?" I already have the chips. I want to know if safe to unplug from usb without ejecting it first. I cannot find a way to eject it like you can for a usb drive or other usb devices. Cannot find it in device mgr either but it works with green wallet. |
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When I put the key into a USB port on my Windows 8.1 machine I hear the computer beep but I cannot find the device in device manager and it is not on the list for the hardware ejector. Is it listed somewhere and possible to eject? Or is it just okay to remove it without being able to stop it first?
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Price for S3+ B11 is $210 per unit now Shipping still too high! If you get a quote directly from UPS for shipping the rate is three times what Bitmain is charging. They are giving you the advantage of their corporate bulk rates. Each unit weighs 5.5Kg and express air shipping is expensive. But UPS will take 7 days to deliver, and charge exhorbitant fees on top of the tax to boot! Give me the UPS rate for DHL and I'll order today. My only complaint was that one was misrouted (left on Airplane) and flew 14,000 miles further than it should have. One was delivered in two days and the other one took six days and lots of extra handling and jostling around in the airplane. In Thailand I was only charged 7% VAT on the declared value plus a 200 baht UPS disbursement fee plus vat on the fee. Had to pay the duties for both units when the first one was delivered and second one was delivered with no additional charge. Here in Thailand DHL is the bad company. They tend to charge a high additional customs brokerage fee. With UPS the fee is already included in the shipping charges for air packages. |
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Price for S3+ B11 is $210 per unit now Shipping still too high! If you get a quote directly from UPS for shipping the rate is three times what Bitmain is charging. They are giving you the advantage of their corporate bulk rates. Each unit weighs 5.5Kg and express air shipping is expensive. |
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