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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3013012 times)
tolip_wen
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April 01, 2015, 02:07:14 AM
 #40081

HELP!

After a solid week of mining, my Neptune controller won't recognize my cubes.  I have to be missing something simple because I now have 2 controllers like that.  I've used recovery SD to RC6, updated to 1.00, 1.02, 1.05, 1.06s and none will see the cubes.

Instead of white flash that's about a second, I now get a short white flash 3x spaced out over probably 15 seconds.  No green led Sad

I'm sure this must be common, so what am I missing?

PS: All ribbons are firmly attached.  Red strip towards corner of cube and groove in controller.  I've tried just one cube and still nothing.

If by "won't recognize my cubes" you mean you can view miner webpages and controller but it will not detect ASIC cubes, I doubt it is a BBB issue.

No web page or ssh connection to miner, suspect BBB.
If you can connect to controller but it will not see cubes, suspect FPGA on controller board.
Have you tried the controller with no cubes connected?

While troubleshooting remove the LCD and try without it.

YMMC
Smiley

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April 01, 2015, 02:13:34 AM
 #40082

I sent email to knc but no answer from them 3 days now

Does anyone had the same problem
Still wait Titan mini batch 2

I have just received the following email from KnC.
Dear Sir/Madam,
We can see in our records that you had ordered a batch 2 Mini Titan miner. Unfortunately due an unforeseen shortage of a critical component we are forced to cancel the entire production of the batch 2 Mini Titans.
In this case we can offer you one of the following options.

1)      Receive a Neptune miner which is being produced in our assembly facility this week and next.
2)      Receive a full refund of your batch 2 Mini Titan order. (Please note that refunds will only be paid via the method used to pay for each order)

Please confirm your choice as soon as possible.

Thank you.
KnCMiner Team.

I choose full refund.


I think this means that if you paid in bitcoin, you will only get the same number of bitcoin back in refund …


tolip_wen
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April 01, 2015, 02:43:49 AM
 #40083

lol, I just had an ASIC fire.

Not sure if it is a cap or a VRM that let go but it was bright and sparky and it stinks.

Symptoms were, PSUs shut down.
I cycled power on the PSUs and that's when the sparks flew.
(same as what others have reported)

I have spare caps but the VRMs are unobtainium.
Anyone with an old dead 28nm PCB with Ericsson VRM's they wanna give me?
I might can change the parts but the VRM's are unavailable in qty. 1.

I won't insult the kfc RMA dept., I modded and have no warranty...

On the plus side the protection on the IBM server PSUs works great, my 4kW rail idea was not the end of my house!
I'll provide more detail (pics) later, I just turned it off and left the room for now.

YMMV
Smiley

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April 01, 2015, 02:55:27 AM
 #40084

HELP!

After a solid week of mining, my Neptune controller won't recognize my cubes.  I have to be missing something simple because I now have 2 controllers like that.  I've used recovery SD to RC6, updated to 1.00, 1.02, 1.05, 1.06s and none will see the cubes.

Instead of white flash that's about a second, I now get a short white flash 3x spaced out over probably 15 seconds.  No green led Sad

I'm sure this must be common, so what am I missing?

PS: All ribbons are firmly attached.  Red strip towards corner of cube and groove in controller.  I've tried just one cube and still nothing.

If by "won't recognize my cubes" you mean you can view miner webpages and controller but it will not detect ASIC cubes, I doubt it is a BBB issue.

No web page or ssh connection to miner, suspect BBB.
If you can connect to controller but it will not see cubes, suspect FPGA on controller board.
Have you tried the controller with no cubes connected?

While troubleshooting remove the LCD and try without it.

YMMC
Smiley


Well, I'm getting answers all over the place. Sad  This is bonus, so no LCD.  Yes, get GUI and can ssh.  With or without cubes, same response.  I hope its not the controller board.  That may prove hard to replace.


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April 01, 2015, 06:01:11 AM
 #40085

I am newbie. Should I invest a miners to earn profit? How long is ROI ? and it deserve to invest ?

Sincere thanks !
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April 01, 2015, 06:02:21 AM
 #40086

well KNC you may want to check this out...the end of your data hall......legit mnfg making 100TH unit for 5k details below

https://bitcointalk.org/index.php?topic=521520.msg10943917#msg10943917

PM me for details as well

(I really really wish KNC is watching this forum so they can see the above and cause massive hyperventilation and dismay
that someone is gonna eat their lunch)

again further insight on this via PM to me




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tolip_wen
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April 01, 2015, 06:06:59 AM
 #40087


Well, I'm getting answers all over the place. Sad  This is bonus, so no LCD.  Yes, get GUI and can ssh.  With or without cubes, same response.  I hope its not the controller board.  That may prove hard to replace.

The difference is I advocate correctly isolating the problem before throwing money at it if possible.

Based on your response I'd put the BBB last on the list of suspects.

It sounds like you already did all this but lets review.
Unplug everything and start with the simplest possible, just the controller.
Add one cube retest, try a different cube same ribbon cable.
Only change one thing at a time and see if anything works.

Test with the last known locally working version of firmware.
I'd completely unplug the whole controller from everything and let it sit unpowered for a many minutes. I had one I thought I killed. I replaced it with a spare Hoopiter controller. After few reflashes the original came back to life.
This may have been because I had everything unplugged in between flashes and whatever caused the 'lock up' cleared.
(some residual capacitance somewhere in the PCB design that affects the FPGA or the power chip on controller)
The reflashing I did may not have been necessary, the process may just have provided the long enough power down for it to clear.
My priority was getting it back in service so I never properly isolated root cause.

Another thing you can test for.
Take a single cube, unplug the cube power but connect the ribbon.
Turn on the controller and see if the temp on the ASIC shows up on the web page.
The temp chip on the cube is powered by the controller over the ribbon.
If this works the controller is prolly OK, as it tests controller power chip and FPGA operation.
This might/could point to a wierd 12VDC issue on a cube interfering with controller communication.

If/when you think throwing money at it is a good idea...
You might find a used Merc, Sat, or Jup controller with a BBB for what a new BBB would cost.
Those old knc specific BBB lack some connectors and might not be valued as highly seperately FWIW.

YMMV
Smiley

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April 01, 2015, 01:02:53 PM
 #40088

@Tolip_wen

Thank you!


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GUTS
    ███
███
███
███
███
███
███
███
███
███
███
███
███
███
   
smart-ticket protocol for events
live product with market traction!
    ███
███
███
███
███
███
███
███
███
███
███
███
███
███
   
  BTC ANN
  WEBSITE
  BLOG
   
  SANDBOX
  WHITEPAPER
  BOUNTY
   
Cablez
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April 01, 2015, 01:32:38 PM
 #40089

well KNC you may want to check this out...the end of your data hall......legit mnfg making 100TH unit for 5k details below

https://bitcointalk.org/index.php?topic=521520.msg10943917#msg10943917

PM me for details as well

(I really really wish KNC is watching this forum so they can see the above and cause massive hyperventilation and dismay
that someone is gonna eat their lunch)

again further insight on this via PM to me

Check the date it was written Searing.   Wink

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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LIR DEV


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April 01, 2015, 01:56:59 PM
 #40090

well KNC you may want to check this out...the end of your data hall......legit mnfg making 100TH unit for 5k details below

https://bitcointalk.org/index.php?topic=521520.msg10943917#msg10943917

PM me for details as well

(I really really wish KNC is watching this forum so they can see the above and cause massive hyperventilation and dismay
that someone is gonna eat their lunch)

again further insight on this via PM to me

Check the date it was written Searing.   Wink
Ya they had me... Hook, line, and sinker. Gotta luv it.


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April 01, 2015, 04:37:17 PM
 #40091

KNC are going to start shipping this years April Fool's joke in October 2016

"I am not The Avenger"
1AthxGvreWbkmtTXed6EQfjXMXXdSG7dD6
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April 01, 2015, 07:05:32 PM
 #40092


Well, I'm getting answers all over the place. Sad  This is bonus, so no LCD.  Yes, get GUI and can ssh.  With or without cubes, same response.  I hope its not the controller board.  That may prove hard to replace.

The difference is I advocate correctly isolating the problem before throwing money at it if possible.

Based on your response I'd put the BBB last on the list of suspects.

It sounds like you already did all this but lets review.
Unplug everything and start with the simplest possible, just the controller.
Add one cube retest, try a different cube same ribbon cable.
Only change one thing at a time and see if anything works.

Test with the last known locally working version of firmware.
I'd completely unplug the whole controller from everything and let it sit unpowered for a many minutes. I had one I thought I killed. I replaced it with a spare Hoopiter controller. After few reflashes the original came back to life.
This may have been because I had everything unplugged in between flashes and whatever caused the 'lock up' cleared.
(some residual capacitance somewhere in the PCB design that affects the FPGA or the power chip on controller)
The reflashing I did may not have been necessary, the process may just have provided the long enough power down for it to clear.
My priority was getting it back in service so I never properly isolated root cause.

Another thing you can test for.
Take a single cube, unplug the cube power but connect the ribbon.
Turn on the controller and see if the temp on the ASIC shows up on the web page.
The temp chip on the cube is powered by the controller over the ribbon.
If this works the controller is prolly OK, as it tests controller power chip and FPGA operation.
This might/could point to a wierd 12VDC issue on a cube interfering with controller communication.

If/when you think throwing money at it is a good idea...
You might find a used Merc, Sat, or Jup controller with a BBB for what a new BBB would cost.
Those old knc specific BBB lack some connectors and might not be valued as highly seperately FWIW.

YMMV
Smiley

They only weak point in design of KNC I found was the beagle , espesialy the early versions of the beagle.
 A4 ,  A5  ,  A6
http://elinux.org/Beagleboard:BeagleBoneBlack
 here all changes per revision KNC used old BBB I gues they bought a lot of them around 2013/2014/
Now we are at REV C witch is way more robust.


for example a very intresting  change is the one from A6 to A6Â


Revision A6A

No changes in features or operation of the board.

1) Added optional zero ohm resistor to tie GND_OSC1 to system ground.
2) Changed C106 to a 1uF capacitor.
3) Changed C24 to a 2.2uF capacitor. This extends the reset signal to solve an issue where some boards would not boot on power up.
4) Removed R9 and installed R8. This change was based on an alert we just received from TI that there is a power sequencing issue with the TPS65217C power management IC and the power sequencing is incorrect. This change connects the VDDS rail to the VRTC rail. We do not believe at this time, that the issue is causing any issues with the boards, but we want to comply


A6A to B

Revision B

This version moves to the AM3358BZCZ100 processor as we are no longer able to get the limited production version of the AM3359AZCZ100.
No changes in features or operation of the board resulted from this change.


Rev B to C

Revision C (Production Version)

This revision increases the eMMC from 2GB to 4GB. We are making this change for several reasons:

1) Complaints from the community about lack of space left in the eMMC.
2) For those worried about their eMMC wearing out, the added space will help in the area of moving the data around to prevent wear out. Assuming of course you don't try and use it all.
3) Concerns over the long-term availability of the 2GB device. 4GB is currently the low end of the offering. This also gives us two sources.

We are planning a price increase for the Rev C somewhere between $5 and $15. We are working to figure out where it needs to be. This is for several reasons:

1) To cover the increased cost of the 4G devices.
2) Currently there is $0 margin on these boards which limits our ability to bring more manufacturing capacity on line. Added some margin allows us to find more capacity.
3) Without margin, we cannot respond to component price increases due to market forces. This is of particular concern in the area of NAND and DDR3. We have been successful in fighting back some increases, but we don't know if that will continue


-----

The beagle is the center the controlboard acts as a extention to the beagle  , and I had it one time that the beagle did not see the cubes ,  replacing it worked.


s






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April 01, 2015, 08:48:26 PM
 #40093


-----

The beagle is the center the controlboard acts as a extention to the beagle  , and I had it one time that the beagle did not see the cubes ,  replacing it worked.


s


I put the new BBB in and flashed to RC6 and then 1.06s.  Still same issues.  I can do anything in the GUI, but it won't see the cubes.  I've been slumming around today and picked up a BBB & controller from a Mercury for the price of a BBB.  So when that arrives, at least it will for sure tell me if it's a controller issue.  I'm betting you were right Tolip_wen.  Somehow the FPGA has been corrupted and I can't seem to get it to reflash.

PS:  It does look like the latest revision of the BBB does work with the controller (not 100% sure yet though) since it can run the gui.


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April 01, 2015, 10:45:40 PM
 #40094


-----

The beagle is the center the controlboard acts as a extention to the beagle  , and I had it one time that the beagle did not see the cubes ,  replacing it worked.


s


I put the new BBB in and flashed to RC6 and then 1.06s.  Still same issues.  I can do anything in the GUI, but it won't see the cubes.  I've been slumming around today and picked up a BBB & controller from a Mercury for the price of a BBB.  So when that arrives, at least it will for sure tell me if it's a controller issue.  I'm betting you were right Tolip_wen.  Somehow the FPGA has been corrupted and I can't seem to get it to reflash.

PS:  It does look like the latest revision of the BBB does work with the controller (not 100% sure yet though) since it can run the gui.

there is a small chip in the controler board , that could be dead . but if you can get a Murcery extention board its the same.
 got a rev c running with my miner.



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April 03, 2015, 12:27:01 AM
 #40095

PS:  It does look like the latest revision of the BBB does work with the controller (not 100% sure yet though) since it can run the gui.
If you do get a Rev C fully working, would be cool to see pictures.  Cool No surprise that KnC was wrong yet again.  Roll Eyes Still, a Rev B is a cheaper alternative if you can source one and it works just fine. As far as I can see, Rev C just has more onboard memory and some software/GUI improvements that I doubt will matter on a KnC miner.

I did peer through my Mercury's case and finally saw its BBB Rev, it is older. Here's all of mine:
Oct '13 Mercury: Rev A5C - PCB Rev B4
Batch 0 Neptune: Rev B - PCB Rev B6
Batch 1 Neptune: Rev B - PCB Rev B6
Bonus Neptune: Rev B - PCB Rev B6

So you might get an old A version with an old October Controller, not sure about the November boards. I think this Rev A change: "Changed C24 to a 2.2uF capacitor. This extends the reset signal to solve an issue where some boards would not boot on power up." is why the BBB in my Mercury doesn't always boot. Not worth replacing though, I just power cycle until it boots and that's worked fine for well over a year now. Tongue

KnCMiner Firmware - Mercury/Saturn/Jupiter/Neptune/Titan
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Tips for help? 1BzbfMHCrTeLjc7eCGrYVhH3QXSRodSuke


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April 03, 2015, 12:30:13 AM
 #40096

well KNC you may want to check this out...the end of your data hall......legit mnfg making 100TH unit for 5k details below

https://bitcointalk.org/index.php?topic=521520.msg10943917#msg10943917

PM me for details as well

(I really really wish KNC is watching this forum so they can see the above and cause massive hyperventilation and dismay
that someone is gonna eat their lunch)

again further insight on this via PM to me

Check the date it was written Searing.   Wink

that was why I put the PM me in my message above...so I could tell folk ...rather then have them run around trying to dig up 5k etc

was a good joke thou

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April 03, 2015, 03:46:39 PM
 #40097

PS:  It does look like the latest revision of the BBB does work with the controller (not 100% sure yet though) since it can run the gui.
If you do get a Rev C fully working, would be cool to see pictures.  Cool No surprise that KnC was wrong yet again.  Roll Eyes Still, a Rev B is a cheaper alternative if you can source one and it works just fine. As far as I can see, Rev C just has more onboard memory and some software/GUI improvements that I doubt will matter on a KnC miner.

I did peer through my Mercury's case and finally saw its BBB Rev, it is older. Here's all of mine:
Oct '13 Mercury: Rev A5C - PCB Rev B4
Batch 0 Neptune: Rev B - PCB Rev B6
Batch 1 Neptune: Rev B - PCB Rev B6
Bonus Neptune: Rev B - PCB Rev B6

So you might get an old A version with an old October Controller, not sure about the November boards. I think this Rev A change: "Changed C24 to a 2.2uF capacitor. This extends the reset signal to solve an issue where some boards would not boot on power up." is why the BBB in my Mercury doesn't always boot. Not worth replacing though, I just power cycle until it boots and that's worked fine for well over a year now. Tongue
my non bonus neptune came with A6 version of BBB that one is now repleced by rev C , my bunus miner has an A6A version of BBB running that one does work fine.
both running 106s




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April 03, 2015, 06:06:23 PM
 #40098

Knc mining with our titans
If see the litecoinbdifff you will understand what I mean


Technical problem for us
For knc Titan no problems

They simple hold our titans for knc
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April 03, 2015, 06:54:21 PM
 #40099

Knc mining with our titans
If see the litecoinbdifff you will understand what I mean


Technical problem for us
For knc Titan no problems

They simple hold our titans for knc

Yeah, well they obviously had to unplug them, and dust them off with compressed air before shipping them out, which explains the difficulty dip, and it's return as the Titans arrive at their new homes.


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April 03, 2015, 10:14:35 PM
 #40100

The problems is that knc will not sent titans to customers

They hold for themselves


They tell after 10 days when batch 2 completed
And I still wait my Titan mini batch 2

That they do not have some parts bla bla bla
And they can not sent bonus Titan and Titan mini batch 2
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