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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3012412 times)
opentoe
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December 13, 2013, 09:47:52 PM
 #25861

Let's be honest - the only reason knc are doing 20nm is to justify the ridiculous price.

I was thinking today.. I wish I'd had the spare funds a few months back to buy in when it was $100/btc.

Neptune would've cost me a grand ...

This is one reason why I enjoy the possibilities with bitcoin. Sure, the value fluctuates, but that can create some great opportunities for those already in it.

Not really, since KNC still puts the price in USD prices and still requires bitcoin. A company truly accepting bitcoin doesn't look at the USD worth at all. Trust me, weather BTC was $10 or $1000 you still would have had to pay $10k.



Uh.

10 btc purchased at $100/ea = $1,000 my cost.

1 Neptune = $10,000USD, which at the time of availability, would've been 10btc.

10 btc sent to KNC = $1,000 my cost.

What are you missing about this?

What I'm trying to say is KNC prices their gear in US dollars. Doesn't matter what the price of bitcoin is. When you go through the checkout process how ever many bitcoins it takes for that invoice to equal $10k or $13k is what you will pay. I'm being specific to how KNC does business, I understand is BTC lowers/rises and all that.


Ok.. so then what are you clarifying? They want $10,000 for it. That might be, say, 10 bitcoins. They're getting $10,000. For me, it's only $1,000.

It DOES matter what the price of bitcoin is because I said I wish I had owned bitcoin @ $100, because it would make a Neptune $1,000 for me. for me.



Ah ok, I got your point. I forgot the point of you having them the whole time since they were $100. Get it. I should have hoarded all my coin when I bought it at $15. Could have paid off my house maybe.

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December 13, 2013, 09:50:01 PM
 #25862


Ah ok, I got your point. I forgot the point of you having them the whole time since they were $100. Get it. I should have hoarded all my coin when I bought it at $15. Could have paid off my house maybe.


I feel the same way.. when I first looked into bitcoin, they were less than a buck. I didn't research it, it just seemed like an experiment someone was doing.

I kick myself every now and then over that.

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December 13, 2013, 09:52:25 PM
 #25863

As I said before, the only company/person that ever paid me back in bitcoin even when the BTC was worth a lot more was Silkroad. They were true bitcoin users. Not these half ass companies that are in the bitcoin world using the USD rate to profit from. If you are  bitcoin company, and I would think making bitcoin mining hardware makes you a bitcoin company, when someone pays you in bitcoin, they should return to you in bitcoin also. Those drug selling slickers had more couth then most "bitcoin" using companies around.

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December 13, 2013, 10:00:10 PM
 #25864

Sorry people but its kinda easy to shutdown the miner without blowing things up

SSH into your box and then after login you type on the prompt

shutdown -H -P now and see how the machine stops running instant, this will protect it from running full power when turning it off

And yes do never turn on a electrical device instant after you turned it off.
Its a rule to give the components time to unload the power before powering it up again in most cases 15 seconds should do.
Since i close the miner in the proper way i do not believe blowups will happen since you have some time between shutting it down in the control panel and then goto the device to shutdown the psu. I my case thats about 2 minutes.

I had suddenly a die 0 problem and one of the asics was starting to turn off more and more cores on a die.
I had some back and forth mailing between knc and me, now they asked me to make a rma.
Just followed the steps and send the failing boards as they requested.
The next day knc reported to have fixed the issues and send them instant back to me
So in very short time the boards are back and hashing away.

KNC has prefectly solved this and fast.

So i am glad i did ask them for help, and instant did the RMA.

People saying it will take long ... NO ITS NOT it was lightning fast Cheesy
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December 13, 2013, 10:43:58 PM
 #25865

Kaboom! http://s28.postimg.org/v71hnbm71/SAM_1801.jpg Cheesy

PSU: OCZ ZX 1250W. Found the Jupiter shut down. Tried to start it and nothing happened. Removed cables, put them back and poof fireworks. Waiting for my RMA.

Hashing with 3 boards and not whining.

wht temps you have before this happened?

Usually temps were between 50 and 65 degrees.

Update regarding my RMA: First i tried to call them but got no answer, then i sent an email requesting for a RMA number, then tried to call them 2 more times at different hours and still no answer and lastly after 6 hours from my e-mail i got my RMA. Too bad it was late for UPS to pick it up and i have to wait until Monday.

What seems to me really strange is the fact that i have 2 Nov Jupiters in 2 separate places(not in the same location) and both experienced a drop down in speed at a specific time and the blown off one shut down and the other kept hashing. What could be the explanation to that? Posting picture with the 24 hour graph and as proof. The blown one had OCZ PSU and the other one has EVGA 1300W PSU.


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December 13, 2013, 10:46:16 PM
 #25866

Any suggestions for tweaks I should make? Just rebooted about 5-10 mins ago and was getting 269 GH/s on average before updating the firmware.


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December 13, 2013, 11:01:44 PM
 #25867

Then I would say get a new router.  Honestly even a cheap $30 router by any of the major brands (Dlink, netgear, etc) will have solid DHCP reservation support these days.  Just check the reviews on a networking site before you buy one to make sure it will do what you want it to do.

For example:


Grr..  bitcointalk's image proxy is broke.

Direct link:
http://i.minus.com/jZPw0b7bBMH99.png


I have 8 computers and many other IP based devices on my home network and couldn't live without DHCP reservation. I've been using it since routers starting using it and I've never hard coded an IP stack since then. I highly suggest everyone does this that has this ability, since once you go that route it's pretty much trouble free. Let your router do all the work, not you.


I managed to fix it by manually updating the DHCP table via telnet:



I think it should be OK now.

If this post helped you and you feel generous you know what to do: 1P9tXFy9bVgzrfPGeV7F8np26ZtFdCCWvz
opentoe
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December 13, 2013, 11:31:17 PM
 #25868

Sorry people but its kinda easy to shutdown the miner without blowing things up

SSH into your box and then after login you type on the prompt

shutdown -H -P now and see how the machine stops running instant, this will protect it from running full power when turning it off

And yes do never turn on a electrical device instant after you turned it off.
Its a rule to give the components time to unload the power before powering it up again in most cases 15 seconds should do.
Since i close the miner in the proper way i do not believe blowups will happen since you have some time between shutting it down in the control panel and then goto the device to shutdown the psu. I my case thats about 2 minutes.

I had suddenly a die 0 problem and one of the asics was starting to turn off more and more cores on a die.
I had some back and forth mailing between knc and me, now they asked me to make a rma.
Just followed the steps and send the failing boards as they requested.
The next day knc reported to have fixed the issues and send them instant back to me
So in very short time the boards are back and hashing away.

KNC has prefectly solved this and fast.

So i am glad i did ask them for help, and instant did the RMA.

People saying it will take long ... NO ITS NOT it was lightning fast Cheesy

Thanks for this. I know the -h is to HALT the system and the -p is to POWER OFF the system, but does it actually power it off even when the power supply isn't turned off?

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December 13, 2013, 11:48:34 PM
 #25869

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,995.00 = WOW
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December 14, 2013, 12:00:02 AM
 #25870

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,999.00 = WOW

so they have more that what is needed to cover NRE cost.

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December 14, 2013, 12:01:10 AM
 #25871

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,999.00 = WOW

so they have more that what is needed to cover NRE cost.

And that does not even factor in Batch 1 1200 units at 10k each
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December 14, 2013, 02:20:24 AM
 #25872


What seems to me really strange is the fact that i have 2 Nov Jupiters in 2 separate places(not in the same location) and both experienced a drop down in speed at a specific time and the blown off one shut down and the other kept hashing. What could be the explanation to that? Posting picture with the 24 hour graph and as proof. The blown one had OCZ PSU and the other one has EVGA 1300W PSU.



Sounds like the pool had issues not the miners.
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December 14, 2013, 02:38:13 AM
 #25873

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,999.00 = WOW

so they have more that what is needed to cover NRE cost.

And that does not even factor in Batch 1 1200 units at 10k each

Those shovel makers are doing quite well. I saw the number was at 43 now. I guess some got returned to the pool.
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December 14, 2013, 03:47:30 AM
 #25874

I'm just going to put this out there, but I got a gut feeling that if Hashfast deliver in December, and its looking like they will, depending on how "substantial" it is then KnC may do another batch of Jupiters. Cheesy

Their policy was not to produce any more batches in December 2013, January 2014 or  February 2014 unless any of their competitors add large amounts of hashing power to the network during the same period.

Hopefully, if they do, they will be comparable in price to their competition i.e. <$4K


I believe KNC is geared-up already and just waiting for the competition to release.

But... and here's the kicker... KNC will be shipping only Jupiters (no Saturns)from stock or with a very short build time.  Remember, no one else will be shipping orders made today until March/April at the soonest.  Therefore KNC will be pricing accordingly, easily double your $4000 guesstimate.

Bitfury did the same thing.  30GH/s boards were $500 two months ago but are now $1000 each.

Hash power today is worth MUCH more than hash power in 3 or 4 months.  And no, the cost to produce a product has no bearing on its price as long as there is a demand for that item.

Not sure really depends, Bitfury had zero competition (KnC had stopped shipping), they also had a LOT of people with semi populated rigs who need those extra blades.

By the time KnC does a January or February batch HF will have been in full swing with 500Gh/s BJ's at $2250 and there is a likelyhood that Cointerra & Blackarrow will be shipping and selling their $6K 2TH miners.

Of course its all dependent on "if" they ship.

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December 14, 2013, 03:59:35 AM
 #25875

Hashfest seems likely to ship within a month, if they don't have major setbacks.

I'm definitely hoping KNC opens up some more Gen2 Jupiter orders.

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December 14, 2013, 04:54:21 AM
 #25876


By the time KnC does a January or February batch HF will have been in full swing with 500Gh/s BJ's at $2250 and there is a likelyhood that Cointerra & Blackarrow will be shipping and selling their $6K 2TH miners.


the real question will be if BTC will crash with so many new miners just looking to recoup any of their costs or will most have strong hands (either true believers or so far in the hole why not go for broke)

I thought that swoon would happen this fall but only KNC and Bitfury came through...   if the new year brings a glut of miners, it will either crash terribly or hit $1500-2000 by April


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December 14, 2013, 05:34:16 AM
 #25877

1) The SeaSonic has two PCIe connectors one one cable.  Don't use two on one cable.   You should have 4 connectors plugged into the power supply itself (plus mother board and molex connectors).  That means you will have 8 PCIe connectors use only one from each pair.
That did the trick, thanks. The SeaSonic cable has 6 separate 12V lines coming out of 1 modular connector, which splits into 2 separate PCIe connectors with 3 12V lines each, so I had assumed it would be ok (the 12V lines are not shared). But apparently there is a power limiter in the individual output connectors coming from the PSU.

Figured it would be something like that.  Glad I could help.  Of course it helps that I had the exact same PSU and no problems.
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December 14, 2013, 09:24:52 AM
 #25878

1) The SeaSonic has two PCIe connectors one one cable.  Don't use two on one cable.   You should have 4 connectors plugged into the power supply itself (plus mother board and molex connectors).  That means you will have 8 PCIe connectors use only one from each pair.
That did the trick, thanks. The SeaSonic cable has 6 separate 12V lines coming out of 1 modular connector, which splits into 2 separate PCIe connectors with 3 12V lines each, so I had assumed it would be ok (the 12V lines are not shared). But apparently there is a power limiter in the individual output connectors coming from the PSU.

Figured it would be something like that.  Glad I could help.  Of course it helps that I had the exact same PSU and no problems.

Also I think KnC has been saying not to use the double plugs on pcie cables as well.

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December 14, 2013, 09:25:10 AM
 #25879

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,995.00 = WOW

I dont quite understand that either. Even if people assume Neptune will do 4TH, BA prospero X3 would cost the same per TH and in all likelihood will be delivered  several months earlier.

Sure, Neptune might be more power efficient, but only if KnC delivers significantly better performance per watt than they claim and/or BA delivers worse performance per watt than they claim, because BA states 0.5 W per GH at the chip level (lets assume that works out to 0.7W at the wall) while KnC is saying 30% better than Jupiter. If Im not mistaken, Jupiter does around 1.1W/GH currently? A 30% improvement over that is ~0.8W. ON paper they are pretty much on par, with arguably BA having a slight advantage.

Even if you assume KnC will be one or two tenths of a watt more efficient per GH, if that is more important than mining several months earlier, then you are in trouble. @4000GH and $0.15/KWH, a 0.1W/GH better efficiency works out to 0.4KW * 0.15 = $0.06 per hour, or $43 per month. One day that will matter, but if that is significant next spring, and more significant than mining a few months earlier, good luck earning back those $13000.
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December 14, 2013, 10:02:38 AM
 #25880

Neptunes are down to 32/1200 left up for sell.

Seems they will have sold out 1200 x 12,995.00 = WOW

I dont quite understand that either. Even if people assume Neptune will do 4TH, BA prospero X3 would cost the same per TH and in all likelihood will be delivered  several months earlier.

Sure, Neptune might be more power efficient, but only if KnC delivers significantly better performance per watt than they claim and/or BA delivers worse performance per watt than they claim, because BA states 0.5 W per GH at the chip level (lets assume that works out to 0.7W at the wall) while KnC is saying 30% better than Jupiter. If Im not mistaken, Jupiter does around 1.1W/GH currently? A 30% improvement over that is ~0.8W. ON paper they are pretty much on par, with arguably BA having a slight advantage.

Even if you assume KnC will be one or two tenths of a watt more efficient per GH, if that is more important than mining several months earlier, then you are in trouble. @4000GH and $0.15/KWH, a 0.1W/GH better efficiency works out to 0.4KW * 0.15 = $0.06 per hour, or $43 per month. One day that will matter, but if that is significant next spring, and more significant than mining a few months earlier, good luck earning back those $13000.


Of course it could be 5.5TH and BTC could be at $2K by then, who knows, who knew that KnC's 350GH/s Jupiter would end up at 650GH/s and BTC up from $100 to $1000? Its a risky game thats for sure. But I've made back what I spent on my Oct batch and managed to mine enough to buy a Nov batch, which has also paid itself off, and a Neptune and still have coins in the bank after paying the electricity, so for me thats all good Smiley

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