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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3039464 times)
tolip_wen
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October 11, 2013, 07:25:54 PM
 #15041

The guy from GE flew in especially.

WIthout providing details and FACTS all you have managed is an 'Appeal to Authority'

99.999% of the time a vendor is flown in to troubleshoot an issue they will start with the shift of blame.

One fact we do know, KnC said an ATX PSU of x minimum watts would work.
(depends on model)

If they did not design for obvious popular customer choices how is that a PSU issue?

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October 11, 2013, 07:27:43 PM
 #15042

The guy from GE flew in especially.

WIthout providing details and FACTS all you have managed is an 'Appeal to Authority'

99.999% of the time a vendor is flown in to troubleshoot an issue they will start with the shift of blame.

One fact we do know, KnC said an ATX PSU of x minimum watts would work.
(depends on model)

If they did not design for obvious popular customer choices how is that a PSU issue?


WTF?! How can one determine an issue they don't know is an issue, until it becomes an issue??

EDIT: Oh hang on, I know, months of verification with consumer choice PSUs after the device has been prototyped. Wanna wait?!?


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October 11, 2013, 07:28:37 PM
 #15043

If I have corsair HX850 PSUs for my miners should I immidietly change them or should I wait for official info?
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October 11, 2013, 07:30:20 PM
 #15044

If I have corsair HX850 PSUs for my miners should I immidietly change them or should I wait for official info?

I'd personally change bro. After their reset they supply peak current without ramping for approx 30 seconds is what I understood. That pops the cap, and so far it's the PSU that is most likely to cause this issue. Most other PSU's once reset gradually ramp current.

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October 11, 2013, 07:30:25 PM
Last edit: October 11, 2013, 07:41:24 PM by The Avenger
 #15045

Hey KNC, thanks for the apology about keeping us customers in the dark for so long. And thanks for updating us on the new production schedule. We all knew shipping all remain units by 15th October was not going to happen, so glad you gave us these new, realistic delivery dates.

Oh wait, you didn't do either.

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October 11, 2013, 07:35:43 PM
 #15046

No official announcement yet but firmware is already there Wink

https://www.kncminer.com/userfiles/file/kncminer-0.95.bin

Those who are brave!

WOW !
This one works !
Previously I had around a miserable 300 Gh/s (and more than 10% cores disabled) as well as more than 30% HW-errors.

But look now:  524 Gh/s (avg in the last 27 minutes). and only 6.5% HW-errors.....  And I just looked at the cores: only 9 of the 768 cores are disabled.   And BitMinter-pool is even telling me that I'm running 591 Gh/s !!!   Smiley

I didn't believe this could be solved with software-update. But they did!   Congratulations KnC !
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October 11, 2013, 07:42:49 PM
 #15047

temps dropped too


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October 11, 2013, 07:42:53 PM
 #15048

Been away from the screen, as I was on this forum so late last night. Those who were around at that point know this. I've just been getting to grips and learning more about what components do what and when upon the board.

Been trying to catch up here, but am still confused as to the purpose of the opening of the casing and top loading of fans. It makes zero difference, it just appears to be a bizarre form of planking.

http://en.wikipedia.org/wiki/Planking_(fad)

The temps ascertained by the BertMod (great work that man), reveal the voltage regulator temps, and not the ASIC. The voltage regulators can handle in excess of 100 degrees Celsius - ambient (surrounding environment) - so blowing a fan on them is pointless.



you are talking out of your ass... get some more sleep.  There is endless proof to the contrary that lowering temp = better performance for long stable hashing.  You might be talking about 10 minutes which would be a long time compared to what my miner was tested before shipping


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October 11, 2013, 07:45:11 PM
 #15049

If I have corsair HX850 PSUs for my miners should I immidietly change them or should I wait for official info?

I'd personally change bro. After their reset they supply peak current without ramping for approx 30 seconds is what I understood. That pops the cap, and so far it's the PSU that is most likely to cause this issue. Most other PSU's once reset gradually ramp current.

This makes 0 sense.  Are you saying that other PSUs ramp up the current over 30 seconds?  PC power supplies are voltage, not current, regulated.  There's overcurrent protection, but that just shuts the thing down & stops it from toasting itself.
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October 11, 2013, 07:45:29 PM
 #15050

Yeah, my hosting Jup went to 480 GH/s, the highest I've seen but dropped down to 300... crossing fingers it'll go back up.
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October 11, 2013, 07:46:36 PM
 #15051

So they said they produced 700 miners so far, now the question is how many more do they have to produce?  And how long will this take? It's starting to feel that the fact my status went from paid to in process even more like a delay tactic, to avoid refunds, still hope I'm wrong on this though.
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October 11, 2013, 07:49:24 PM
 #15052

We all bought an unrefined product did we? Odd, I didn't see those words or anything like that when I paid for mine.
Not in any of the back patting videos or interviews either.

We bought a miner that we were told confidently would have margins upon margins capable of 400Gh and even today no-one has said that this (and the oct 15th date) has changed. Except of course to up it to 550 on the site and most promos ...which currently is false advertising ..as the past 20 pages here bear witness to.

As for all this shite about power consumption...right now is that a big priority to get down? I'd rather have a hashing rig while it's making enough BTC to make a few quid power bill extra irrelevent..later on the power consumption will matter more but not initially compared to a working rig. As long as the PSU handles it, we can wait for a firmware fix to get it down. Hashing reliably without smoke is the priority for users.

The sarcastic tone of Oramas post amazed me, people using fans to reduce temps ..planking? It worked. How bizarre is that? More to the fucking point no-one was talking from KNC end despite much asking...so what else were people to do? "We have a specialist flying in and we'll get back to you as soon as we know something."  < see, took me 3 seconds to type that, and even some poor sweaty overworked KnC human could manage that surely?

The way to deal with trainwrecks like this isn't arrogance, sarcasm and silence ..it's communication and apologies and in many cases here where buyers have been so badly let down with multi hosted jupiters...fair compensation.

I wont deal with KnC again, nothing to do with the rigs, it's the denial and head in the sand stuff I can't be living with.


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October 11, 2013, 07:51:53 PM
 #15053

Been away from the screen, as I was on this forum so late last night. Those who were around at that point know this. I've just been getting to grips and learning more about what components do what and when upon the board.

Been trying to catch up here, but am still confused as to the purpose of the opening of the casing and top loading of fans. It makes zero difference, it just appears to be a bizarre form of planking.

http://en.wikipedia.org/wiki/Planking_(fad)

The temps ascertained by the BertMod (great work that man), reveal the voltage regulator temps, and not the ASIC. The voltage regulators can handle in excess of 100 degrees Celsius - ambient (surrounding environment) - so blowing a fan on them is pointless.



you are talking out of your ass... get some more sleep.  There is endless proof to the contrary that lowering temp = better performance for long stable hashing.  You might be talking about 10 minutes which would be a long time compared to what my miner was tested before shipping



Going to have to agree completely. Lol. How does someone not put 2 and 2 together? More air movement/lower temps DOESNT have any direct relation with performance? Wtf?

And here he's correct.  If the VRM is designed to withstand 100 C, cooling it from 80 to 40 makes no difference.  
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October 11, 2013, 07:53:00 PM
 #15054

Been away from the screen, as I was on this forum so late last night. Those who were around at that point know this. I've just been getting to grips and learning more about what components do what and when upon the board.

Been trying to catch up here, but am still confused as to the purpose of the opening of the casing and top loading of fans. It makes zero difference, it just appears to be a bizarre form of planking.

http://en.wikipedia.org/wiki/Planking_(fad)

The temps ascertained by the BertMod (great work that man), reveal the voltage regulator temps, and not the ASIC. The voltage regulators can handle in excess of 100 degrees Celsius - ambient (surrounding environment) - so blowing a fan on them is pointless.



you are talking out of your ass... get some more sleep.  There is endless proof to the contrary that lowering temp = better performance for long stable hashing.  You might be talking about 10 minutes which would be a long time compared to what my miner was tested before shipping



Going to have to agree completely. Lol. How does someone not put 2 and 2 together? More air movement/lower temps DOESNT have any direct relation with performance? Wtf?

Huh There are dev boxes that have been running for hours. Temp matters if the chips are stressed, but by all means pay the extra cash for the additional elec costs 24/7

Or please apply .95 drastic power drop. Save your fans, and your elec bill.

Again Bertmod measures VRM temp, not ASIC.

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October 11, 2013, 07:53:12 PM
 #15055



WTF?! How can one determine an issue they don't know is an issue, until it becomes an issue??




It is called testing.  Which was absent after taking off the 4 VRMs.   Why can't you admit that they should of tested that decision, found the issues that us customers had to point out, created the firmware, test it again, THEN ship with 4 VRMs?

And where are any testing results, metrics from .95?  Where are the before / after numbers?

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October 11, 2013, 07:56:19 PM
 #15056

If I have corsair HX850 PSUs for my miners should I immidietly change them or should I wait for official info?

I'd personally change bro. After their reset they supply peak current without ramping for approx 30 seconds is what I understood. That pops the cap, and so far it's the PSU that is most likely to cause this issue. Most other PSU's once reset gradually ramp current.

This makes 0 sense.  Are you saying that other PSUs ramp up the current over 30 seconds?  PC power supplies are voltage, not current, regulated.  There's overcurrent protection, but that just shuts the thing down & stops it from toasting itself.

Agreed.  Either he is misunderstanding (playing a game of telephone here) or it is just nonsense to shift the blame.

Power suplies don't ramp up current.
Power supplies don't force current.
A circuit DRAWS current.
If the circuit was damaged by drawing too much current then the circuit shouldn't draw so much current.
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October 11, 2013, 07:57:06 PM
 #15057

My Jupiter is scheduled for delivery today. Of course I bought a Corsair HX850 - is there any *safe* way to use it, or should I not even plug the thing in?

What if I power on the HX850 and plug in the PCI-E connectors one at a time?
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October 11, 2013, 07:58:28 PM
 #15058


Again Bertmod measures VRM temp, not ASIC.

The official firmware status page temp is also from VRM?

 HW status:

ASIC slot #1: 54.0 ℃
ASIC slot #2: 53.0 ℃
ASIC slot #3: 55.0 ℃
ASIC slot #4: 43.0 ℃
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October 11, 2013, 07:58:45 PM
 #15059



WTF?! How can one determine an issue they don't know is an issue, until it becomes an issue??




It is called testing.  Which was absent after taking off the 4 VRMs.   Why can't you admit that they should of tested that decision, found the issues that us customers had to point out, created the firmware, test it again, THEN ship with 4 VRMs?

And where are any testing results, metrics from .95?  Where are the before / after numbers?

Because you wanted boards hashing ASAP, and got them.

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October 11, 2013, 07:59:00 PM
 #15060

My Jupiter is scheduled for delivery today. Of course I bought a Corsair HX850 - is there any *safe* way to use it, or should I not even plug the thing in?

What if I power on the HX850 and plug in the PCI-E connectors one at a time?


Don't plug it in.  Go buy something else at your local electronics store.  It will pay for itself in 24 hours.  You do NOT want a downed machine currently.

Also - .95 seems to be working very well for me:

 (5s):585.5G (avg):556.7Gh/s | A:65024  R:512  HW:3533  WU:7784.1/m
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