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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3012434 times)
erschiessen
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October 09, 2013, 10:36:02 PM
 #14221

Paladin,
I think it will still hash, but I want to get KnC's opinion prior to trying to hash without the board that has the burned cap.

I removed the board this afternoon, found an esd (antistatic) bag that I luckily had lying about and got it packaged and ready to ship back to Sweden tomorrow.

Hopefully when I wake up, KnC will have emailed me to say whether to continue limp-hashing.

You can hash without the boards, just be sure to remove the damaged board with the PSU turned off.

Thought so, but I will wait for confirmation.
I don't want to give them an out saying that I worked the machine outside of its designed manner...

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October 09, 2013, 10:37:08 PM
 #14222

I do not think the capacitors are bad, I am almost certain that they are not being placed correctly.

The pic that I linked in my last post shows the cap in question being skewed. Mine also was similar, but not quite as much as the one in the link.

Im pretty sure that apparent angle is a result of the fire/explosion, no?
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October 09, 2013, 10:38:16 PM
 #14223

I'd laugh if we found out ASICminer was buying kNc's to expand their mining pool. Roll Eyes

Have they been growing exponentially?  Hasn't ASICMiner made enough coins for themselves?  Jesus christ what a pig.
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October 09, 2013, 10:40:28 PM
 #14224

I'd laugh if we found out ASICminer was buying kNc's to expand their mining pool. Roll Eyes

Have they been growing exponentially?  Hasn't ASICMiner made enough coins for themselves?  Jesus christ what a pig.

I was just thowing that out there, I did not say it was true. They are just a china interest that could afford to do it.
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October 09, 2013, 10:40:34 PM
 #14225

are most of the problems on Jupiters it seems?, if so, and caps are the problem, sounds like a controller board and/or power issue to me, but I'm not an engineer...lol

A ground loop problem is unlikely but the power supply has internal grounds then there are multiple connections to the miner, and all those miner power connection grounds are likely common, so a ground loop allowing an oscillation isn't impossible.



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Paladin69
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October 09, 2013, 10:40:50 PM
 #14226

On the flipside, how many Chinese can actually afford these miners?
Are you joking? Don't you watch any financial news? The Chinese economy is off the hook. They do have taken all the manufacturing that countries like USA used to do. The Chinese are cash rich. They have sh!t tonnes of cash to spend.



Their great trade surplus doesn't mean their people are well off.  The majority work for pennies on the dollar when manufacturing stuff for the rest of the world.
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October 09, 2013, 10:45:50 PM
 #14227

I do not think the capacitors are bad, I am almost certain that they are not being placed correctly.

The pic that I linked in my last post shows the cap in question being skewed. Mine also was similar, but not quite as much as the one in the link.

Im pretty sure that apparent angle is a result of the fire/explosion, no?

I don't think so, but I didn't witness the failure, just the aftermath.

It would have needed to reflow itself, but just a wee bit goofy?

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October 09, 2013, 10:49:08 PM
 #14228

Their great trade surplus doesn't mean their people are well off.  The majority work for pennies on the dollar when manufacturing stuff for the rest of the world.
I wasn't talking about the low paid workers. You think someone assembling iphones wants to buy a bitcoin miner? Of course not.

I was talking about the Chinese middle class.

Read up:
http://thediplomat.com/pacific-money/2013/05/30/half-a-billion-chinas-middle-class-consumers/

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October 09, 2013, 10:49:23 PM
 #14229



I can confirm is a stale party indeed, flushwork seems not very good. Got a huge rate of stales.


I think the flushwork is some weird cron job.  Both my Jupiters showed the flushwork line at the same exact time

I do not think it is doing it intelligently

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October 09, 2013, 10:51:33 PM
 #14230

I do not think the capacitors are bad, I am almost certain that they are not being placed correctly.

The pic that I linked in my last post shows the cap in question being skewed. Mine also was similar, but not quite as much as the one in the link.

Im pretty sure that apparent angle is a result of the fire/explosion, no?

I don't think so, but I didn't witness the failure, just the aftermath.

It would have needed to reflow itself, but just a wee bit goofy?

did the psu shut down itself after the burn? or was the miner still running?
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October 09, 2013, 10:53:46 PM
 #14231

Their great trade surplus doesn't mean their people are well off.  The majority work for pennies on the dollar when manufacturing stuff for the rest of the world.
I wasn't talking about the low paid workers. You think someone assembling iphones wants to buy a bitcoin miner? Of course not.

I was talking about the Chinese middle class.

Read up:
http://thediplomat.com/pacific-money/2013/05/30/half-a-billion-chinas-middle-class-consumers/

Had no idea that many Chinese people were well off.  I generally don't trust whatever the IMF is sourcing.

Half a billion, wow.  I guess selling there is definitely a concern then.  I'm tempted to just cancel my November orders now.  So much for Network Protection Statements.  That was just to fill in the October orders I guess.
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October 09, 2013, 10:55:02 PM
 #14232



I can confirm is a stale party indeed, flushwork seems not very good. Got a huge rate of stales.


I think the flushwork is some weird cron job.  Both my Jupiters showed the flushwork line at the same exact time

I do not think it is doing it intelligently


They seem not to be handling well the flush work at pools request, they are sending a lot of bad work and hence the stales and the lower hashrate especially on the pool

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October 09, 2013, 10:55:54 PM
 #14233

On the flipside, how many Chinese can actually afford these miners?
Are you joking? Don't you watch any financial news? The Chinese economy is off the hook. They do have taken all the manufacturing that countries like USA used to do. The Chinese are cash rich. They have sh!t tonnes of cash to spend.



Lol, learn to numbers, pl0x.

China GDP per capita: $6,071
US   GDP per capita: $51,704

Almost an order of magnitude, dood. Cheesy

erschiessen
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October 09, 2013, 10:57:23 PM
 #14234

I do not think the capacitors are bad, I am almost certain that they are not being placed correctly.

The pic that I linked in my last post shows the cap in question being skewed. Mine also was similar, but not quite as much as the one in the link.

Im pretty sure that apparent angle is a result of the fire/explosion, no?

I don't think so, but I didn't witness the failure, just the aftermath.

It would have needed to reflow itself, but just a wee bit goofy?

did the psu shut down itself after the burn? or was the miner still running?
PSU shutdown.
Amen!

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October 09, 2013, 11:09:32 PM
 #14235

Which model of PSU did you orginally use?
erschiessen
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October 09, 2013, 11:13:45 PM
 #14236

Which model of PSU did you orginally use?
Rosewill Lightning Gold

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October 09, 2013, 11:15:40 PM
 #14237


Hmmmm.  Lightning Gold did you say ?
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October 09, 2013, 11:18:36 PM
 #14238



I can confirm is a stale party indeed, flushwork seems not very good. Got a huge rate of stales.


I think the flushwork is some weird cron job.  Both my Jupiters showed the flushwork line at the same exact time

I do not think it is doing it intelligently


They seem not to be handling well the flush work at pools request, they are sending a lot of bad work and hence the stales and the lower hashrate especially on the pool

.95 best address this

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October 09, 2013, 11:23:16 PM
 #14239



I can confirm is a stale party indeed, flushwork seems not very good. Got a huge rate of stales.


I think the flushwork is some weird cron job.  Both my Jupiters showed the flushwork line at the same exact time

I do not think it is doing it intelligently


They seem not to be handling well the flush work at pools request, they are sending a lot of bad work and hence the stales and the lower hashrate especially on the pool

.95 best address this

I'll bet you .95B that it doesn't...

Losing hundreds of Bitcoins with the best scammers in the business - BFL, Avalon, KNC, HashFast.
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October 09, 2013, 11:25:16 PM
 #14240

I do not think the capacitors are bad, I am almost certain that they are not being placed correctly.

The pic that I linked in my last post shows the cap in question being skewed. Mine also was similar, but not quite as much as the one in the link.

Im pretty sure that apparent angle is a result of the fire/explosion, no?

I don't think so, but I didn't witness the failure, just the aftermath.

It would have needed to reflow itself, but just a wee bit goofy?

2 of the pics I have seen show the cap in the original position.
1 pic shows 2 caps moved and 2 parts missing.
1 pic shows cap ofset in a direction opposite direction of exhause gasses from explosion.

Small surface mount parts self align during reflow even if they are placed slightly crooked due to surface tension of melted solder. It's cool to watch. Smiley

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