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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3012382 times)
Meizirkki
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October 06, 2014, 03:43:13 PM
 #38381

Anyone else see how they carefully imsert typos or replacement words in their official statements and customer service replies?  Wink Anything they say can be taken off context in court.
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October 06, 2014, 03:49:14 PM
 #38382

Probably a good idea to aim a recursive wget at their forum before they start removing/editing things
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October 06, 2014, 03:50:49 PM
 #38383

Just amazing how far KNC has fallen.     Glad I got my 4 neptunes refunded and my jupiters are humming along.   

good luck to crew dealing with these headaches and stress.

I love the first gen gear.

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October 06, 2014, 04:24:49 PM
 #38384

KNC release scrypt to fix reported DC/DC problems on the Titan:
http://forum.kncminer.com/forum/main-category/hardware/61652-recent-titan-behavior-regarding-pools-dc-dc-voltages-and-bfgminer-restarts

From Kurt, on the KNC forum

Quote
You can also use the .bin file in the troubleshooting guide, under "BFGMiner Constant Restarts" to fix this issue.

Customer uwehg replies:

Quote
So you bothered to release a ONE LINE script that disables monitoring of the dcdc voltages completely. That's really pathetic for engineers that are 'working around the clock' to fix the Titan problem!


Can you say 'Sweeping the problems under the carpet' ?

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October 06, 2014, 04:56:33 PM
 #38385

I challenge KNCminer to setup a pool, a proper Titan capable pool, for mining alt coins or/and merge mine or/and multipool - profit switching pool.

The pools are not setup to handle Titan EXTREME hash power (OMG) so KNC setup that pool. You must know how to set it up since you KNOW the pool is the issue and not the Titan or Firmware.

Show me a pool that can mine "other scrypt coins" just like is advertised on the product I purchased from you and show me that I can mine at a minimum average speed of 300mhs on it.
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October 06, 2014, 05:08:13 PM
 #38386

I challenge KNCminer to setup a pool, a proper Titan capable pool, for mining alt coins or/and merge mine or/and multipool - profit switching pool.

The pools are not setup to handle Titan EXTREME hash power (OMG) so KNC setup that pool. You must know how to set it up since you KNOW the pool is the issue and not the Titan or Firmware.

Show me a pool that can mine "other scrypt coins" just like is advertised on the product I purchased from you and show me that I can mine at a minimum average speed of 300mhs on it.

For everyone complaining about the pool side speed being too slow....try solo mining to a local wallet.  Setup RPC files with your worker credentials and point the miner to the local ip/port.  You will likely see the full potential of the Titan, hopefully 300MH/s, when removing vardiff stratum latentcy.  Local mine first too see your capabilities, then move to a decent pool like wemineltc.com or litecoinpool.org that can handle the extreme vardiff requirements of the Titan.

When your miner operates faster than the pools' databases, you will see defeated pool rates.
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October 06, 2014, 05:26:02 PM
 #38387

I challenge KNCminer to setup a pool, a proper Titan capable pool, for mining alt coins or/and merge mine or/and multipool - profit switching pool.

The pools are not setup to handle Titan EXTREME hash power (OMG) so KNC setup that pool. You must know how to set it up since you KNOW the pool is the issue and not the Titan or Firmware.

Show me a pool that can mine "other scrypt coins" just like is advertised on the product I purchased from you and show me that I can mine at a minimum average speed of 300mhs on it.

For everyone complaining about the pool side speed being too slow....try solo mining to a local wallet.  Setup RPC files with your worker credentials and point the miner to the local ip/port.  You will likely see the full potential of the Titan, hopefully 300MH/s, when removing vardiff stratum latentcy.  Local mine first too see your capabilities, then move to a decent pool like wemineltc.com or litecoinpool.org that can handle the extreme vardiff requirements of the Titan.

When your miner operates faster than the pools' databases, you will see defeated pool rates.

I've said this numerous times. People seem to want to beat the KNC horse rather than try other options. I've seen GH farms work flawlessly on one pool, but crap out on other pools. it wasn't the farm, it was the pool.

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October 06, 2014, 05:37:00 PM
 #38388

I've said this numerous times. People seem to want to beat the KNC horse rather than try other options. I've seen GH farms work flawlessly on one pool, but crap out on other pools. it wasn't the farm, it was the pool.


Sigh … http://forum.kncminer.com/forum/main-category/hardware/62260-knc-please-setup-a-pool-with

Sure … i'm sure you could find a crap pool if you tried. GH farms usually have multiple workers each with a reasonable hash rate and are not characteristic of Titan mining, even GH scale pools. When KNC get load-balancing fixed we can put all this pool blaming to one side and address the real issue, which is the flush latency of the Titan.

We've tested with nomp, LTC and VIA. We know its not the pool.
KNC have not done the most rudimentary pool testing before releasing this alpha quality miner.
They don't even have a pool test setup.
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October 06, 2014, 05:40:33 PM
 #38389

I challenge KNCminer to setup a pool, a proper Titan capable pool, for mining alt coins or/and merge mine or/and multipool - profit switching pool.

The pools are not setup to handle Titan EXTREME hash power (OMG) so KNC setup that pool. You must know how to set it up since you KNOW the pool is the issue and not the Titan or Firmware.

Show me a pool that can mine "other scrypt coins" just like is advertised on the product I purchased from you and show me that I can mine at a minimum average speed of 300mhs on it.

For everyone complaining about the pool side speed being too slow....try solo mining to a local wallet.  Setup RPC files with your worker credentials and point the miner to the local ip/port.  You will likely see the full potential of the Titan, hopefully 300MH/s, when removing vardiff stratum latentcy.  Local mine first too see your capabilities, then move to a decent pool like wemineltc.com or litecoinpool.org that can handle the extreme vardiff requirements of the Titan.

When your miner operates faster than the pools' databases, you will see defeated pool rates.

Pools cache shares and have no problems managing share insertion rates into their databases for pool hash rates that far surpass the power of a Titan or two. Nomp has demonstrated stratum protocol capacity far in excess of what a single Titan can generate even at low difficulty settings.
A better test is the one proposed in the bitdigger2013 challenge to KNC, using nomp, VIA and LTC with tcpdump running on the stratum and daemon ports.



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October 06, 2014, 05:50:38 PM
 #38390

Agree on nomp, it's far better.

I can only speak to what I've witnessed, not that it's an across-the-board problem or solution, but I've seen it work just by changing pools. Not only pools, but coins as well. We went through this somewhat with the ramp from GPU->ASIC in the SHA world.

If people would just stick with bitcoin..

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October 06, 2014, 06:21:46 PM
 #38391

If people would just stick with bitcoin..

yeah that's a sure bet !
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October 06, 2014, 09:16:24 PM
 #38392

What a titanic mess. The original micro SD card that came with the miner got corrupted beyond being able to be written any more. Let's see how long the spare I had lasts. So far it got corrupted only once, but was able to be rewritten.
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October 06, 2014, 09:47:50 PM
 #38393

So, it turns out that the long flush times associated with the Titan ASIC which appear responsible for the degraded performance on coins with fast block times and coin switching pools are a result of some DC/DC issues.

These 2 notes were found in the change log for the recent bfgminer release:

Quote
titan: DC/DCs does not like broadcast flushes (urgent setwork). Do not do it!
titan: Start cores after flush individually, not by broadcast.

Apparently KNC are maintaining the Titan driver themselves and Luke Jr. doesn't provide support.
KNC still claim to be working on fixing all the firmware issues 'round the clock' and 'as fast as we can'



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October 06, 2014, 10:32:45 PM
 #38394

Is there a Swedish authority that can force recall of a dangerous product?  Angry
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October 07, 2014, 04:39:44 AM
 #38395

Kurt, on the KNC forum today

Quote
Although there are some problems left to iron out with the firmware, you seem (from the posts I have seen across the forum) to be mixing up the issues with our firmware issues and the issues pool-side. The majority of pools today are not equipped to handle ASIC miners like the Titan. We can't really be held accountable for issues with these pools causing the hash rate to dip.

Its all the pools fault, didn't you know ?




well this link the author of bfgminer says the KNC version is not supported...he does not have a Titan nor has been contacted by KNC on multipool problems or anything

here is the link

https://bitcointalk.org/index.php?topic=626361.msg9108355#msg9108355


As to me (I"m not to popular at KNC) ...my posts are now being montiored and I can't post the stuff on the KNC forum...so someone else feel free to post on there this info

So the further turn down the road by KNC to BFL ...the editing and deleting of posts ...even legit ones that put you in a bad light

so anyway ...not that I'm up on this...but is the multipool issue a bfgminer issue? if so we are sooo f*cked..because KNC obviously says it is the pools fault
and the author of bfgminer says he has no clue in no way to test.....imho it is KNC's version of BFGminer that is the issue..but they can't admit to that
thus my posting on this has not shown up on forums..

man everywhere I go people just love me.....(bfl banned , alpha banned, knc on double secret probation)

sheesh


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October 07, 2014, 04:55:12 AM
 #38396

some singup to make knc pay - https://www.change.org/p/knc-miner-knc-miner-refund-your-customers-upon-their-request-it-s-the-law

topdawg_swe
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October 07, 2014, 05:29:56 AM
 #38397

I`m waiting for a refund for over 140 days
I had a real problem as my father needed a kidney transplant and asked for a refund on 30.04
Call them , explained them my problem , send them medical leather with the translation of my sister diagnostics and medical problem  (the whole family has health issue ) .
They did not refund me , is the same answer over and over again .
I`ve sent email requesting assistance to over 15 Swedish lawyer with no response .

This is the worst company I`ve ever encountered in EU.
I had enough .

Best
T
 
 

Hey, I just stopped back by on the KnC forum and saw that things have not got any better with the refunds.  This worked for me, but ymmv.  File a complaint form with ARN.  On their website, they have forms for english also.  Now I did receive email from them in swedish and had to translate it, but otherwise everything worked fine.  I just filled out the form, attached my invoice and copies of emails from KnC.  KnC waited until it was time for ARN to have a hearing and then refunded my money.  Good luck on your refund.

Hey guys!

I´m from Sweden and, naturally therefore, speak Swedish. If you wish I can be of help getting through to the right channels for your claims. I have had some experience with ARN (Allmänna Reklammations Nämnden) and it can be a bit complex I´m afraid.

If you want something translated I can do it for your (free of charge) -you can send a tip if you feel the help was good, otherwise a "thumbs up" for my rating as a newbie would be enough! Smiley

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October 07, 2014, 05:42:34 AM
 #38398

Well on a side note with KNC...just to change things up....

When did KNC stop selling of the last batch of Neptunes and Titans? I just saw the page the only thing available to buy from knc
is 200 28mm chips at $5,400.00 usd and Jupiter module upgrade still at $350 (heh you can buy these for $75 bucks on ebay now heh)

so .....is this recent or has it been awhile...if recent I guess it shows they have finally pulled the plug on us pesky customers
and now can  move on to the 'arctic cloud' with class A and class B investors...better class of folk..money wise that is...no need
get hands dirty making an actual 'shudder' consumer product

anyway how long since they sold a 3rd batch neptune..when did they stop?

also when did they pull the plug on the 3rd batch titan as well?

anyway just wondering if this is new or been this way for months..no idea...just  noticed on their product page...I guess the next
hint of when they really have moved on is when the product page disappears....which hey could be any day now...

 

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October 07, 2014, 11:11:41 AM
 #38399

Kurt, on the KNC forum, March 20

Quote
All miners will be shipped within the Q2/Q3 timeframe that we have specified.

http://forum.kncminer.com/forum/resellers-affilicates/general-questions/31583-will-knc-titan-be-profitable
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October 07, 2014, 01:43:08 PM
 #38400

What is their rationale claiming that a connector rated for max 13 amps is enough to draw over 200 watts at 12 volts? I know my Ohm's law, and I can multiply 12 volts times 13 amps, which comes out to 156 watts. One cube draws over 20 amps I think. The heat generated is proportional to the square of the current. 20^2 / 13^2 = 2.37, which means 137% more heat than the connector is rated for.

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