This would be a lot more attractive if Bitmain would ship bare boards.
You will also need the cables, screws and springs. Screws and springs are easy enough to source, though they could include them. I would envision the cables being included in a kit consisting of a BBB, the controller board, four hashing boards and the needed cables. It's nonsensical to purchase the aircooling heatsinks, fans, extra controller and plastic bits just to ship all that weight across the world and then strip it down and throw it away.  The problem with kits is they require more work than miners! A full miner has to be built [heatsinks, case, fan etc] to quality test the hashing boards - the same as a normal unit. But they then have to be disassembled and cleaned in order to be sold as board only kits. That's time consuming = more expensive / not as cost efficient as one might imagine. |
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If that is like a 2*c1 side by side, why not make 3*c1 side by side, also 1*c1 but with s5 blades, c2?!
Also: it should be only 1 controller for al boards
use 14cm fans! not the screaming 12cm from s5
Bitmain works on developing miners,and we work on how to modify miners to provide better experience .;)If you want to assemble "C2",we might some day show it to you! The fan is 120mm,1 controller could just support 4 hash boards. Just to confirm, that's not an 'official' / rumour of an 'official' C2. Its just Syscooling's kit's name. |
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s5 build is string type so i thnik there is no problem with vrms  24h of hashing and still about 64 celsius very quiet and stable. for 16$ - stock fan value (more than 10$) it is worth There are plenty of things on that board that require cooling other than the chips themselves. Won't someone please think of the non-chip components? |
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Shouldn't the spare router settings should be 255.255.255.0 instead of 255.255.0.0 especially when your miner is set at 255.255.255.0?
Its probably just a typo in his account. |
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So, somewhere inside the radiator air is being trapped once when there was liquid by itself. Does it matter what port you have the incoming flow going into the radiator, top or bottom? I've seen pictures of both.
Optimal layout is inlet to reservoir on the bottom and outlet on the top, as that would prevent any air accumulating in it. Bubbles always want to rise and will resist quite a bit of flow to avoid travelling downwards. If you're tubes are the wrong way round, you should be able to swap the screws the feet are on without too much trouble and simply flip it over without having to touch the tubing. I'll try the hard reset later. You mean the small hole above the Ethernet port?
By hard reset I mean power off at the PSU. By soft reset I mean "reboot" from the OS. |
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Any people in Thailand that would like to get together on a group buy of at least 5 or more of these units? I have run group buys it the past on other forums for other types of goods so would be willing to handle this if we can swing at least 5 units.
You'll probably find some people lurking around the group buys subform: https://bitcointalk.org/index.php?board=137.0 |
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If you don't mind Hosted Mining Power, you can enjoy 2TH/s for $350. ($175/TH with S4) http://www.hashnest.com <=== HashNest.Com is Owned and Operated by Bitmain hasnt everyone with an S2 shut it down already??
0.30USD per day is hardly worth it, is it?
no I'm running all of mine still, but what is annoying is that they take 1100w each and that is double the s5, so my actual capacity becomes limited. but they can be had super cheap. so for me it's 1 th for 150 bucks, so per th it's not a bad deal. I just loose opportunity cost. Can also get to hashnest.com via hashne.st and minerlink.com via miner.link for short. Both are controller by me but both DNS direct to the full sites. |
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That is what I'm worrying about, with endless price war, the one that can stand many years of loss is the one with bank loan support, so eventually banks will take over all the mining chips business
Unless the major chip makers make an alliance like OPEC, they will be take over by banks one by one, but unfortunately bitcoin is free to mine for anyone, not like OPEC countries which have geographic access limitation
In fact, knc is most likely to be already running on a large sum of bank loans, so that they can operate in a loss for at least a couple of years
Banks don't lend money to unprofitable businesses. It's not their job to support years of losses through loans and they certainly wouldn't do that for Bitcoin mining businesses - something which banks have yet to warm up to! All of that aside, a loan is just that - it's meant to be repaid. What mining hardware manufacturer could afford to take a couple of years of losses, with any hope of repaying them (plus interest) from future profits? VC funding is similar in this regard; it's not there to cover losses. Using a loan to suppress the price in order to squeeze out the competitor is a common practice in large enterprises. They could operate years with a negative earning to drive out competitors with weak cash flow (they either take loan or have earnings in other area to cover the loss in this area, if they think it worth the effort). It is not for profit in tomorrow or next month, but for a profit in 5-10 years From banks point of view, it is even more possible, since bitcoin is said to be their competitor. Why shouldn't they take over competitor's infrastructure using money out of thin air, and have total control over it so that it will not make trouble for them in case something went wrong? That only works in a closed industry with you having the only source of cash. There are at least 5 mining companies in the industry with heavy heavy VC investment and most of those can raise more if required. You can't empty a sink if the tap is still running. |
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I have a board that has died on one of my miners. I took the unit apart and checked all the connections, everything was fine. Nothing was burned up. Anything else I can try? https://i.imgur.com/c1jzv9O.pngI know the miner shows under a minute running, but it had previously been running for 72+ hours like that. I have had some of mine drop blades.. I just unplug the psu for a minute and restart and it has always come back to normal I figured it was a loose connection, but I took it apart and let it sit for around 20 min before I powered it back up. Replied to PM on this. |
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Does anyone have a copy of the 12/19 firmware?
I have 12/16 and 12/19. Gotta find them. Which of those is the best? 1219 is stable as hell. |
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Can the SuperNOVA 1300 power supply effectively power 2 S5 units?
yes but freq 331 or 343 is a bit safer then using freq 350 the 1300 can do 1220 watts at a kwatt meter 24/7/365 mine have done that. only changes by 1% from 20% to 80% load, and a further 1.5% up to 100% load. The 1300W is perfectly fine with 2x S5s on it. |
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Today, after returning from shipping these back to CryptoCrane, there was a delivery from UPS with two new miners in it. So I humbly apologize for any negative comments I made. As soon as I get my replacement PSU in the mail, hopefully, I'll be one happy camper. So again, Dogie and Bitmain I apologize for my words. Now, how can one go about getting their post removed?
Edit the #1 post, advanced options at the bottom and tick the lock post box. |
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I understand squeezing the competition.
We just witnessed the squeeze for the last 10 months.
When your next competitor is charging $342 for a product that is less efficient, why would you price your product at $250?
I don't think there are going to be enough rounds of these chips to keep weeding out competitors before you can enjoy a little harvesting.
Maybe I misunderstood your comment.
Maybe you were just saying you could lower your pricing down to $250 and still make money.
But, please. Cheap hashing power isn't going to do anyone any good.
Pricing war.
Difficulty into the stratosphere.
Investors make shit returns.
That is what I'm worrying about, with endless price war, the one that can stand many years of loss is the one with bank loan support, so eventually banks will take over all the mining chips business Unless the major chip makers make an alliance like OPEC, they will be take over by banks one by one, but unfortunately bitcoin is free to mine for anyone, not like OPEC countries which have geographic access limitation In fact, knc is most likely to be already running on a large sum of bank loans, so that they can operate in a loss for at least a couple of years Friedcat isn't suggesting to undercut the market, he's projecting likely market prices at the time of release. |
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Welp, 3 dead batch 2 PSUs over here. Not a very happy camper.
Standard message below unfortunately, nothing we can do remotely on PSUs  PM BitmainWarranty to arrange an RMA. Be sure to link to your post describing the issues, what type and how many miners you wish to have repaired/replaced and your bitmaintech.com order number. |
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What other components are you providing to cool the roughly ~2KW? Same as C1 kit?
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I would like to see Bitmain go back to not charging shipping. The S5 doesn't weigh more than an s1 and I used to get s1's for under $200 shipped.
I agree, shipping charges are definitely something that wards me away from making a purchase. You end up subsidising countries with high shipping costs. Either way though, you're still paying for shipping. |
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pity that for decent miner you need 100 chips...
costs matter, those miners cant be cheap
look at bitmain they have so few to get 1.15TH
You must mean Spondoolies. The SP20 uses 4 chips while a Bitmain S5 uses 60 chips, which is less than AM but still, that's a lot of chips. Only if integers matter on their own. The (cost per chip per GH) or [(cost per chip per GH) + (board components per chip per GH)] is the most important thing. Edit: Seems I imagined you said something totally different, but my comment still stands on its own |
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If i move my S3 to a another city, is there any way i can control it from where i live (in another city)?
If the above is too complicated for you, you could also install teamviewer on a laptop on that network. That way you can always teamviewer in and control the units as if you were at home. Thank you so much dogie! No problem. |
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Will it void my warranty if i connect another PS? I have a DSP2000 with the gekkoscience board. Of course this beast may eat my dsp and then I really would be pissy. Anyway, Mine has the ring terminals, so I'm gonna grabsome and check back to see what you say about warranty.
No that's fine, although you'll likely have to run some pretty long cables if you have the PSU external, else that sideways cooling might get difficult. I'm seriously considering paying the freight to send the whole thing to them, do you think they will exchange the unit with a known good one running on their farm?
I can't authorise that on their behalf but they may do - if they've got stock. Although from your perspective, if it is just PSUs then it seems a shame to increase downtime and pay more to UPS than they deserve. BITMAIN should have real world tests here in the US by guys like GekkoScience who have built Load Testers and use them "in the field" meaning in a Data Center, a hosting Data Center, and the home miner feedback is immense, people like me who talk to those guys.
The S4 and associated PSU is well tested in a data centre, almost the entirety of Hashnest.com (PHs and PHs) runs off S4s. Unfortunately, it seems these PSUs aren't a fan of being shipped and tend to die / get fatally injured in transit. You can see just how much vibration units experience in that the bolts holding down those terminal connectors can be worked lose / not tight from being perfect pre shipping. Publish things like the forum post teaching the serial debug port on the S3 control board for people who can not login their S3's with such little time left to mine with them. We need more documentation.
Its not published because 99.5% of customers (including me) don't have the required equipment / the patience to do a fix like that. Firmware reflashing is usually offered free of charge in the US anyway as its a quick job and very light to post controllers. We need their Denver support (to have) with the authority to ship warranty replacement parts without having the customer part in their hand! ... You can put a touch more money in warranty security to make sure people aren't scamming you, but that is huge when people look to BITMAIN and anyone else to get them running, big or little.
I don't believe that will ever happen. Things like PSUs are too expensive to trust that the customer is 1) telling the truth 2) will bother to send the original one back. Its pessimistic but at the same time every other customer would end up having to subsidise failed RMAs. It would also likely take just as long to create a second transaction for a customer, it be paid then processed. Then afterwards it has to be reversed, which is more administration. There aren't too many complaints about delayed RMAs as 1) RMAs are reasonably rare to begin with and 2) anyone within the US gets serviced very quick. Please fix the S3 firmware for these people who are stuck without a reset button which has the latest CGMiner and documentation for change log so everyone may see it. Kolivas and Kano have asked so many times.
S3 reset button has been fixed since 20141219 firmware. And *Ckolivas. Side question - Are the lugs from the PSU to the Hash boards done within a specific revision? IE Batch 2 has lugs, batch 1 doesn't, or the other way, or any way to class them? and what is the best thing to put there so I would not be changing lugs. Something which attaches to them permanently, but I have leads coming off I can quick attach with whatever?
Batch 1 was nearly all PCI-E, batch 2 was heavily mixed. After that its almost all lugged. Why do you want to attack them permanently? I think the current setup is fine. And to pre-empt a followup, yes I did read it all. |
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Does anyone have a copy of the 12/19 firmware?
Can I get some beta testers for a new S3 firmware please? Download link is here, it *should* be good to go but as you know.... Rolls back to the last good patch in Oct (1024), but fixes voltage adjustment and the important reset button. Hopefully.... let me know. MD5: 7DF1B12D28B25E10AAC37E2EAFC7397B |
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