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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3013017 times)
WastedLTC
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July 29, 2014, 02:22:23 PM
 #37041

The only difference will be: no massive increase in value afterwards.

hey hey...   that was not necessary.  =)   
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July 29, 2014, 02:29:21 PM
 #37042

What the f.... Happen and scrypt diff is so high?Huh

Someone maybe and knc maybe had already the miners and hashing for his party

The Chinese ASIC makers have been dumping SCRYPT ASICS on the market since MAY.  That's right Jelin, you could have bought (and received) a SCRYPT ASIC Miner 2.5 months ago.
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July 29, 2014, 05:35:31 PM
 #37043

I can't be that "lucky"

You're not lucky, you're failing to measure it correctly.

The chips run 300w or so each stock; how do you think you're getting from 220v AC to 0.7v DC with 220w/<15% total loss? Fairy dust and magic beans?

u27
Yeah, our digital equipment isn't as smart as you; did you even bother to look at the pics and screenshots??
 https://bitcointalk.org/index.php?topic=170332.msg8071091#msg8071091
Yeah yeah, the pool is wrong, the GUI is wrong, and the Kill-o-watt reader is all wrong 'cause you said so.






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anykeywhy
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July 29, 2014, 07:23:31 PM
 #37044

I can't be that "lucky"

You're not lucky, you're failing to measure it correctly.

The chips run 300w or so each stock; how do you think you're getting from 220v AC to 0.7v DC with 220w/<15% total loss? Fairy dust and magic beans?

u27

u27 is right... phoe should measure the REAL voltage on his "220v" circuit before to multiply it for 15.76?A (...) he may find something between 230v-238v if he doesn't get stoned so often... Grin

Cheers!
-akw-
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July 29, 2014, 07:30:35 PM
 #37045

I can't be that "lucky"

You're not lucky, you're failing to measure it correctly.

The chips run 300w or so each stock; how do you think you're getting from 220v AC to 0.7v DC with 220w/<15% total loss? Fairy dust and magic beans?

u27
Yeah, our digital equipment isn't as smart as you; did you even bother to look at the pics and screenshots??
 https://bitcointalk.org/index.php?topic=170332.msg8071091#msg8071091
Yeah yeah, the pool is wrong, the GUI is wrong, and the Kill-o-watt reader is all wrong 'cause you said so.

..SNIP..

I'd guess your VAC is really 231 @ miner not 220.
You neglected to show ASIC total Watts in pic.
Still good numbers, 3.42T is best possible @ 475.

AND/OR

The current clamps have a % accuracy in their specs.
Worst case is low end and 15A is low end for a typical 200-600A clamp.
Unless you have calibrated yours and know,
go with worst case and add that % to total for safety.

The VRM's have an accuracy spec also.
+ or -  2.5A per VRM @ 1.0 VDC output
(spec is @0-40A, no claim made for 50A conditions on 40A part)
http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146435&Lang=EN&HighestFree=Y
Bottom of page 7.

So ALL numbers from miner are just ballpark.

If it were linear, 475MHz is 5% below 500MHz.
285W is 5% below 300W, you are (x)W higher ~290.
That is the price for hot VRMs IMneverHO!
Unless the ASIC is more 'efficient' @ 500 than 475.
Stranger things HAVE happened but not often.

Just like the LM75 issue, not perfect status reporting but they run! Smiley

YMMV
Smiley

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July 29, 2014, 07:54:29 PM
 #37046

What the f.... Happen and scrypt diff is so high?Huh

Someone maybe and knc maybe had already the miners and hashing for his party

The Chinese ASIC makers have been dumping SCRYPT ASICS on the market since MAY.  That's right Jelin, you could have bought (and received) a SCRYPT ASIC Miner 2.5 months ago.

Truth, isn't it? From what I've seen they don't compete with the price per performance of the Titan's but a bird in hand.


Oh well, maybe KFC will surprise us and redeem themselves. Maybe.

Horses in midstream.
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July 30, 2014, 03:31:01 AM
 #37047

For those in my boat with a corsair 1200i they may have considered for use on the Neptune (don't work see post below) and or the Titan (see post below)

I got this reply from Kurt at KNC Forums...so definitely don't get this for the Neptune and probably not a good idea for the Titan either

again for people in my boat who may have one of these lying about ..they 'thought' they could likely use with the Titan...er not looking likely now imho

Kurt's reply to my question on the corsair 1200i and its use with a Titan...1st line is in regards to the Neptune...2nd line is in regards to the Titan....

I quote:

"To answer your additional questions, the 1200i is a multi rail power supply that cannot handle the frequency set at 425MHz, there is no fix for this as the power supply is inadequate.

We do not know the exact specifications of the Titan miner yet, so it is best to wait until final specs are released."

end quote:

Anyway just a heads up to those having these corsair 1200i units they planned to use with Titan (or Neptune) ...and/or to those who were gonna buy such.

Probably that would be a bad call imho...

anyway for your consideration

Searing


I've got my Neptune working with a 1200i for 2 cubes and a 1500i for 3 cubes. I added another header to PCB and running 2 cables per cube. I will post some pictures when I get a chance. I didn't have to raise the cover on my mod... like I saw some others on here did.
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July 30, 2014, 06:46:01 AM
 #37048

For those in my boat with a corsair 1200i they may have considered for use on the Neptune (don't work see post below) and or the Titan (see post below)

I got this reply from Kurt at KNC Forums...so definitely don't get this for the Neptune and probably not a good idea for the Titan either

again for people in my boat who may have one of these lying about ..they 'thought' they could likely use with the Titan...er not looking likely now imho

Kurt's reply to my question on the corsair 1200i and its use with a Titan...1st line is in regards to the Neptune...2nd line is in regards to the Titan....

I quote:

"To answer your additional questions, the 1200i is a multi rail power supply that cannot handle the frequency set at 425MHz, there is no fix for this as the power supply is inadequate.

We do not know the exact specifications of the Titan miner yet, so it is best to wait until final specs are released."

end quote:

Anyway just a heads up to those having these corsair 1200i units they planned to use with Titan (or Neptune) ...and/or to those who were gonna buy such.

Probably that would be a bad call imho...

anyway for your consideration

Searing


I've got my Neptune working with a 1200i for 2 cubes and a 1500i for 3 cubes. I added another header to PCB and running 2 cables per cube. I will post some pictures when I get a chance. I didn't have to raise the cover on my mod... like I saw some others on here did.

This is nice:

The 24-pin ATX and all EPS and PCIe connectors use 16AWG gauges for lower voltage drops. All others utilize 18AWG wires.
Searing
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July 30, 2014, 08:01:39 AM
 #37049

For those in my boat with a corsair 1200i they may have considered for use on the Neptune (don't work see post below) and or the Titan (see post below)

I got this reply from Kurt at KNC Forums...so definitely don't get this for the Neptune and probably not a good idea for the Titan either

again for people in my boat who may have one of these lying about ..they 'thought' they could likely use with the Titan...er not looking likely now imho

Kurt's reply to my question on the corsair 1200i and its use with a Titan...1st line is in regards to the Neptune...2nd line is in regards to the Titan....

I quote:

"To answer your additional questions, the 1200i is a multi rail power supply that cannot handle the frequency set at 425MHz, there is no fix for this as the power supply is inadequate.

We do not know the exact specifications of the Titan miner yet, so it is best to wait until final specs are released."

end quote:

Anyway just a heads up to those having these corsair 1200i units they planned to use with Titan (or Neptune) ...and/or to those who were gonna buy such.

Probably that would be a bad call imho...

anyway for your consideration

Searing


I've got my Neptune working with a 1200i for 2 cubes and a 1500i for 3 cubes. I added another header to PCB and running 2 cables per cube. I will post some pictures when I get a chance. I didn't have to raise the cover on my mod... like I saw some others on here did.

just got 3 wire cable Y style splitters from cablez on here 12 bucks each ...3 of them .with the 6 heavy duty leads...help spread out the load on startup on my corsair 1200i these should solve the problem.....others on here have had to use other then corsair 1200i units to get the neptunes up...will see how this works I guess for my use on a Titan should I choose to use this unit.. probably not a bad mod to have anyway to use on anything in the future...should get around this whole startup issue with load and the corsair 1200i power supplies if this was to apply to the Titan  (will likely just be a coward and use whatever KNC recommends in the future and use this corsair 1200i for something else....coward that I am....)

so it goes good to know you had no problems

Searing

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bitgeek
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July 30, 2014, 09:06:46 AM
 #37050

Anyone with the same problem? Cheesy

http://www.cryptocoinsnews.com/news/knc-neptunes-burning-whats-smell-ooops-melted/2014/07/29?utm_source=rss&utm_medium=rss&utm_campaign=knc-neptunes-burning-whats-smell-ooops-melted


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Anddos
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July 30, 2014, 09:22:34 AM
 #37051

If knc dont refund neptune buyers then surely they should be investigated by a company trading authority,they just dont seem remotely care from what i have been reading...

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July 30, 2014, 10:06:26 AM
 #37052

just got 3 wire cable Y style splitters from cablez on here 12 bucks each ...3 of them .with the 6 heavy duty leads...help spread out the load on startup on my corsair 1200i these should solve the problem.....others on here have had to use other then corsair 1200i units to get the neptunes up...will see how this works I guess for my use on a Titan should I choose to use this unit.. probably not a bad mod to have anyway to use on anything in the future...should get around this whole startup issue with load and the corsair 1200i power supplies if this was to apply to the Titan  (will likely just be a coward and use whatever KNC recommends in the future and use this corsair 1200i for something else....coward that I am....)

so it goes good to know you had no problems

Searing

*yak yak, 1200i good, EVGA bad, yadda yadda, some comment i accidentally deleted and can't be bothered to retype... does anybody have it to copy paste or undo my edit?*

Funny thing is, KfC can't now fix the PCI-e power problem without admitting that it exists and offering compensation.

u27 is right...

I like this guy ^ he sounds like he knows what he is talking about.

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July 30, 2014, 10:31:48 AM
 #37053

If knc dont refund neptune buyers then surely they should be investigated by a company trading authority,they just dont seem remotely care from what i have been reading...

I agree.

Here we go again with the "consumer protection law will protect us". Every time knc ship, this comes up and ultimately no one does anything.

When RealMalatesta didn't get his refund when he asked, he spoke about getting a European Arrest Warrant for one of the knc company directors and his refund came pretty soon after that.

If you actually want something done and you actually think knc have done something criminal, then file for an arrest warrant. Emailing their customers service team is a total waste of time.

http://en.wikipedia.org/wiki/European_Arrest_Warrant

If people want refunds, they need to apply pressure to KNC. Pressure is NOT complaining on knc's forum or emailing their customer service team, which is all people seem to do. And it's a total total waste of time.

Action is taking legal action, it's getting police involved and as you say, getting Swedish trading authority involved etc.

A guy on this forum spoke about using a lawyer to get a refund and it seems hardly anyone has asked him for details. A bunch of people could get together, either pay this lawyer to take on their cases, or pay for a consultation to see which laws KNC are breaking, which that lawyer used to force a refund out of knc.

If people aren't willing to get together and do this, then these pussies just need to wait until kind, benevolent knc decide to get around to making refunds.

As Scam Hole thinks bitcoin is heading for $2000-$3000 this year (http://youtu.be/jFpJ4pGQZKE?t=4m4s), he is probably waiting as long as possible with refunds, so he only has to give back 3 or 4BTC to customers. If people don't like it, they need to get together and take action. If they aren't going to take action, then lie back and lube up your butts! (can't be bothered to repost barrel of lube post again  Grin )

"I am not The Avenger"
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Searing
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July 30, 2014, 11:26:53 AM
 #37054

just got 3 wire cable Y style splitters from cablez on here 12 bucks each ...3 of them .with the 6 heavy duty leads...help spread out the load on startup on my corsair 1200i these should solve the problem.....others on here have had to use other then corsair 1200i units to get the neptunes up...will see how this works I guess for my use on a Titan should I choose to use this unit.. probably not a bad mod to have anyway to use on anything in the future...should get around this whole startup issue with load and the corsair 1200i power supplies if this was to apply to the Titan  (will likely just be a coward and use whatever KNC recommends in the future and use this corsair 1200i for something else....coward that I am....)

so it goes good to know you had no problems

Searing

*yak yak, 1200i good, EVGA bad, yadda yadda, some comment i accidentally deleted and can't be bothered to retype... does anybody have it to copy paste or undo my edit?*

Funny thing is, KfC can't now fix the PCI-e power problem without admitting that it exists and offering compensation.

u27 is right...

I like this guy ^ he sounds like he knows what he is talking about.


true essentially KNC if I remember right would not even recommend a power supply for the Neptune unlike the Jupiter/Saturns...
you buy if it don't work your stuck seems to be there view

Searing

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Phoenix1969
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July 30, 2014, 02:09:28 PM
 #37055

just got 3 wire cable Y style splitters from cablez on here 12 bucks each ...3 of them .with the 6 heavy duty leads...help spread out the load on startup on my corsair 1200i these should solve the problem.....others on here have had to use other then corsair 1200i units to get the neptunes up...will see how this works I guess for my use on a Titan should I choose to use this unit.. probably not a bad mod to have anyway to use on anything in the future...should get around this whole startup issue with load and the corsair 1200i power supplies if this was to apply to the Titan  (will likely just be a coward and use whatever KNC recommends in the future and use this corsair 1200i for something else....coward that I am....)

so it goes good to know you had no problems

Searing

*yak yak, 1200i good, EVGA bad, yadda yadda, some comment i accidentally deleted and can't be bothered to retype... does anybody have it to copy paste or undo my edit?*

Funny thing is, KfC can't now fix the PCI-e power problem without admitting that it exists and offering compensation.

u27 is right...

I like this guy ^ he sounds like he knows what he is talking about.


true essentially KNC if I remember right would not even recommend a power supply for the Neptune unlike the Jupiter/Saturns...
you buy if it don't work your stuck seems to be there view

Searing
In KNC's news dated 6/17...      
"The recommended PSU set up per Neptune is 3 x 850w (or 2 x 1200w). There's one (1) 6-pin connector per board, and there's 5 chips alltogether on a Neptune, plus a controller card in it's own box."

But IMHO, It's not enough for a proper startup for the asics
2 cubes on a 1200 is already bordering insanity...
add the controller card to a cube, and dead dies occur at boot. (Power starved) 
at least that's what happened to us.


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Sitarow
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July 30, 2014, 02:21:13 PM
 #37056

With the new results out from spondoolies, below is the updated Hardware comparison chart/document.



The link to the shared document.

NOTE: If network difficulty stays below 20% for the next two retargets then the document will be revised to 10% and 5% estimate results.

https://docs.google.com/spreadsheet/ccc?key=0AmeuPljmUNHCdEpqX2RmMDFwemJyLURVUWFtZ3J3aGc&usp=sharing
user27
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July 30, 2014, 03:40:13 PM
 #37057

With the new results out from spondoolies, below is the updated Hardware comparison chart/document.

snip

The link to the shared document.

NOTE: If network difficulty stays below 20% for the next two retargets then the document will be revised to 10% and 5% estimate results.

https://docs.google.com/spreadsheet/ccc?key=0AmeuPljmUNHCdEpqX2RmMDFwemJyLURVUWFtZ3J3aGc&usp=sharing

One thing is for sure... your Monarch numbers are no longer valid.

Spondoolies is unlikely to meet those numbers at teh wall either; more like +10% power consumption.

Same goes for the S3 that's more likely their 12v power consumption so +10% at the wall?

u27

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July 30, 2014, 07:03:53 PM
 #37058

With the new results out from spondoolies, below is the updated Hardware comparison chart/document.


Thank you for the reference.

From my admittedly biased position I'd say the average Nep is 3.4T  at a squink below 2kW.
Completely stock PARTS and tuned gets ya to 3.5T @ 2kW.
3.55-3.58T is doable with some added airflow, same 2kW @ wall BTW.
(the gains are lower errors not faster clocks)

To accurately compare would require seperating 110VAC from 220VAC PSU.
Also need to take into account PSU efficiency and it's % loading.

Ideally all units tested on same PSU.
Next would be all units mesured under 'hopefully' similar conditions.
Next would be at least reporting the conditions during measurement.

The reality is we don't have the luxury.
The boxes are or should be too busy hashing to stop for ideal testing.

I have no idea what 'average' is but I have better numbers.
I am also under the impression from posted 'Advanced' pages that my numbers are not ununual.

Repeating, I know I have a biased opinion so take this post as just that, OPINION.
I'd say 3.4 @ 2kw is very common for typical customers.
My numbers for reference,
https://bitcointalk.org/index.php?topic=170332.msg8053504#msg8053504

Please note, I don't think your collection is biased, just that my opinion must be as I own one.

Very well done long term effort!!!
I appreciate your contribution.
Thank you for your time.

YMMV
Smiley

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Sitarow
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July 30, 2014, 08:51:12 PM
 #37059

With the new results out from spondoolies, below is the updated Hardware comparison chart/document.




Thank you for the reference.

From my admittedly biased position I'd say the average Nep is 3.4T  at a squink below 2kW.
Completely stock PARTS and tuned gets ya to 3.5T @ 2kW.
3.55-3.58T is doable with some added airflow, same 2kW @ wall BTW.
(the gains are lower errors not faster clocks)

To accurately compare would require seperating 110VAC from 220VAC PSU.
Also need to take into account PSU efficiency and it's % loading.

Ideally all units tested on same PSU.
Next would be all units mesured under 'hopefully' similar conditions.
Next would be at least reporting the conditions during measurement.

The reality is we don't have the luxury.
The boxes are or should be too busy hashing to stop for ideal testing.

I have no idea what 'average' is but I have better numbers.
I am also under the impression from posted 'Advanced' pages that my numbers are not ununual.

Repeating, I know I have a biased opinion so take this post as just that, OPINION.
I'd say 3.4 @ 2kw is very common for typical customers.
My numbers for reference,
https://bitcointalk.org/index.php?topic=170332.msg8053504#msg8053504

Please note, I don't think your collection is biased, just that my opinion must be as I own one.

Very well done long term effort!!!
I appreciate your contribution.
Thank you for your time.

YMMV
Smiley

I also agree that 3.4th at just over 2000 watts is correct out of the box stock.  Still using the original firmware. On my Neptune I get 3.4ghs one one antec 1300w psu I have 3/5 pulling 1250@120v watts and on the other 1300w 2/5 and controller pulling 780 watts@120v

As for spondoolies speed 4.45 seems to be the average at this time.

And I will add the new BFL monarch pricing as a new line. There are still a few who paid a primium for aug 2013 monarch pre-orders.
tolip_wen
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July 30, 2014, 09:29:24 PM
 #37060


I also agree that 3.4th at just over 2000 watts is correct out of the box stock.  Still using the original firmware. On my Neptune I get 3.4ghs one one antec 1300w psu I have 3/5 pulling 1250@120v watts and on the other 1300w 2/5 and controller pulling 780 watts@120v

As for spondoolies speed 4.45 seems to be the average at this time.

And I will add the new BFL monarch pricing as a new line. There are still a few who paid a primium for aug 2013 monarch pre-orders.

I notice you have 2 cubes pulling 390 each @ wall assume controller rides for free.
Your 3 cubes pull ~415 each no freeloader controller.
390 x 3 would be 1170 W.
If you moved one of the 3 over you could determine if it is,
A individual PSU efficiency issue,
a PSU near max is much lower efficiency on both or,
a hungry cube.

YMMV
Smiley

'twisted research and opinion' donations happily accepted @
13362fxFAdrhagmCvSmFy4WoHrNRPG2V57
My sub 1337 vanity address Wink
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