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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3007545 times)
isimme
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March 20, 2014, 03:27:30 AM
 #31021

Reduce power 100W or more on your KnC miners

Hi all - I've read a lot about people increasing voltages to reduce errors and wake dies.. But how many of you have gone the other way and lowered voltages as much as possible while keeping errors low?

I have and I've reduced power by over 100W each of my November Jupiters using the 1.0 firmware. Here's a quick guide on what I did:

I'm going to assume you know how to use putty, can connect to the mining screen, and get around bfgminer settings.

As many have said, the first step is to change to bfgminer so you can see what's happening on each die. If you don't want to use bfgminer permanently that's fine, but you'll need it to tune so do this first and restart the miner if necessary.

Open the bfgminer screen and the advanced tab together. Then take a deep breath because you will probably freak out soon, but this is a very fast way to tune your miner. Read through the steps before you begin.

Make a note if your error %s by board. Reset stats in bfgminer. Adjust all voltages to -0.0803 and apply. This will make many of your dies start to throw errors and the screen will start to lite up with disabled core messages with a three digit code. The first digit is the board, 0 1 2 or 3 for a Jupiter, the next two are the core and this code also helps you determine which die. Here is the range from memory:
Die 1:aa-bv
Die 2:bw-dr
Die 3:ds-fn
Die 4:fo-hj

Check bfgminer error stats - for any boards throwing a lot of errors start looking for disabled die messages, I recommend going in sequence, if the first board is throwing errors look for disabled dies starting with 0. If you see:

0cn disabled

Then increase the voltage one step for board 1, die 2.

Keep watching the messages and try to find a core in each range. Don't spend too long, move on to the next board, repeating the process for all boards all core ranges.

Apply your changes and wait about 15 seconds for the firmware to cycle the cores.

Reset bfgminer stats. If you are lucky, and I was, one of your boards may already be stable. Repeat the process for any board that still has a high error rate. Only increase voltage one step at a time and only increase voltage when you see disabled core messages. Go through all boards all dies, apply, reset, repeat.

If you have any dies at -0.0803, lower these one step. Apply the settings, wait, reset stats, check errors. Reverse any that now throw errors, keep reducing any that are not producing errors.

Once you stop seeing disabled cores you may have a few dies that are still throwing errors. Now you want to switch bfgminer display to show all cores. Scroll through the list and look for ranges that have multiple cores throwing errors. Increase voltage one more step on these until you are happy with the error rate.

It took me about 10 minutes by the time I tuned my third Jupiter. All of my voltages are adjusted negative - most are around -0.05 to -0.07, I have a couple that went down to -0.09 and a couple that needed to come all the way back to -0.02. But, I've reduced both temps and power. I was getting many FAULT 4 messages regarding DC/DC temps but now they are all happy. Good luck and hope this helps you!

If KnC is nice maybe they will build auto monitoring and voltage trim right into the next firmware Smiley if they are really nice maybe I will get a few extra Neptunes for saving them a few megawatts in their data center Wink

But how does this effect performance?
With ASICS we are still in the age of performance over power savings.

If I was able to help you in anyway, tips are appreciated:
1A1RcqRKdApT4ViLmZcdDBES8rov3zjMYp
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March 20, 2014, 07:55:15 AM
 #31022

Anyone looking for some upgrade boards for thier jupiters? - https://bitcointalk.org/index.php?topic=523256.0
cap1
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March 20, 2014, 12:02:20 PM
 #31023

KnC getting worse by the day.

I guess no refunds for scrypt miners so they can continually shaft you to the days end and then move you on to the script data centre they will no doubt start to build.  Roll Eyes

"As an insurance policy to our valued customers, we have started converting all the jupiter boards that were positioned for our long lost neptune customers into a scrypt data centre. To ensure we don't have to stick to our word or actually deliver you a machine, we'll be paying our scrypt customers in dogecoins end of Qwhatever whilst holding on to your $10k for a year. We plan to be extremely vague and monosyllabic regarding any future enquires and thank you for the free money"

madsusies
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March 20, 2014, 12:28:13 PM
 #31024

It is like if you ask yourself, what happen if the Jupiter's stop being profitable do knc force 1000 of hosting folks pay 150€ for ups ? Smiley
The Avenger
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March 20, 2014, 12:32:55 PM
 #31025


COMING SOON* TO A CINEMA NEAR YOU!

*In Q2/Q3/Q4. All cinema tickets must be pre-ordered 6 months in advance

"I am not The Avenger"
1AthxGvreWbkmtTXed6EQfjXMXXdSG7dD6
proclivity
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March 20, 2014, 12:34:53 PM
 #31026

But how does this effect performance?
With ASICS we are still in the age of performance over power savings.

This is with zero impact to performance. Hashing at 760-770GHz, clocks all at 1000MHz, errors at same level as before tune, just less heat and less power.

Actually for me it's "improved" my hashing performance as I had one PSU kicking off on hot days and now the PSU also runs cooler.

For tips only - 12QT6zPJM5kQ5piZfn7tyFfcJrbgvSnMLn
faetos
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gotta let a coin be a coin


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March 20, 2014, 12:59:22 PM
 #31027



*In Q2/Q3/Q4. All cinema tickets must be pre-ordered 6 months in advance

Classic!

Here's my theory on these guys - they used neptune pre-order money to pay for DC. Cat got out of the bag that they weren't close to getting said tunes out the door. Refund madness occurred. They needed more cash to pay for DC, so neptunes went on sale again. Nobody bought them because we're just not that stupid and learned how to do math. Bummer, what to do? The offer scrypt miners for 10G and no refunds. That way they've got the money and don't have to give it back when new people learn how to do math. Bonus smartness comes in when they will convert neptune orders that had the possibility of a refund over to the new "terms and conditions" of no refund scrypt miner. The last bit stinks of Hashfast.

Seriously, who is running the business over there? Do these companies all get together in some bar or strip club and compares notes?
merv77
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1.21 GIGA WATTS


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March 20, 2014, 03:29:20 PM
 #31028

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh
nikolaz
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March 20, 2014, 03:44:22 PM
 #31029

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh


Well, what will happen if the devs decide to move from scrypt to scrypt-n? Also release date is so long away, it is better to invest your money on Dogecoin, start trading and become the woof of dogestreet. There are no correlations between introduction of ASIC into Sha-256 and Scrypt. More popular coin devs will listen to their community and move to ASIC resistant algorithms.
lucazane
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March 20, 2014, 03:45:11 PM
 #31030

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh

they just sold 200 miners ....

The Blocks Factory Mining POOL : DGB(sha256d, Skein, Qubit, Groestl & Scrypt), FTC
mvalley
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March 20, 2014, 04:57:11 PM
 #31031

I bet that peeps didn't read the T&Cs and think they can refund somehow. Oh the humanity!


KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh


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kendog77
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March 20, 2014, 05:33:42 PM
 #31032

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh

they just sold 200 miners ....

People are stupid and just gave Knc a interest free, 6 month, $2 million dollar loan that Knc will use to stock their data center with Jupiters.

Please don't pre-order from companies that are directly competing with their own customers!
Phoenix1969
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March 20, 2014, 05:41:01 PM
 #31033

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh

they just sold 200 miners ....

People are stupid and just gave Knc a interest free, 6 month, $2 million dollar loan that Knc will use to stock their data center with Jupiters.

Please don't pre-order from companies that are directly competing with their own customers!
You really think they NEED it when they are pumpin mega -btc  Petahashes @ the DataCenter?
I don't.


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kendog77
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March 20, 2014, 05:47:55 PM
 #31034

KnCMiner Sells $2 Million Worth of Dogecoin and Litecoin Mining Rigs in Just Four Hours

http://www.ibtimes.co.uk/kncminer-sells-2-million-worth-dogecoin-litecoin-mining-rigs-just-four-hours-1441047

WTF Huh

they just sold 200 miners ....

People are stupid and just gave Knc a interest free, 6 month, $2 million dollar loan that Knc will use to stock their data center with Jupiters.

Please don't pre-order from companies that are directly competing with their own customers!
You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

Knc doesn't "need" to do anything, but they have made it pretty clear that they "want" to build the biggest mining farm in the world.

I still think it's very foolish to pre-order a Titan for 10k given the fuzzy six month delivery window and no refund policy. I strongly suspect that you'll be able to get more scrypt hashing power from a Chinese manufacturer for the same cost before Knc ever delivers a single Titan, so why take the risk?

The price / GH of in stock ASIC hardware is already about at the same level as a Neptune, and Knc is still silent on when the Neptune will be delivered.
fractal02
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March 20, 2014, 05:50:00 PM
 #31035

You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

So why they don't just sell in stock units...?

pre-order = crowfunding.
end of line.
kendog77
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March 20, 2014, 05:53:04 PM
 #31036

You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

So why they don't just sell in stock units...?

pre-order = crowfunding.
end of line.

Because they can get millions of dollars worth of interest free loans from customers to build the biggest mining farm in the world. Bascially, they are using customer pre-order money to directly compete against those very same customers.

Talk about a conflict of interest.
Phoenix1969
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March 20, 2014, 05:55:55 PM
 #31037

You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

So why they don't just sell in stock units...?

pre-order = crowfunding.
end of line.
With that said....  I think the no-refund policy is a must after the last two months of FUD in here, Imagine if you were them, and had to deal with 50 refunds every time one of the trio of trolling fudsters decided to type more FUD. I imagine without them, it would be easy to offer the refunds up to shipping as normal. In other words, you can most likely thank the trolls for that policy; because they obviously aren't short on cash, and nowadays Miners change their minds more often than whores change their panties. I definitely understand the no refund policy on Titan, especially because alts & scrypt are not even mainstream, and are pre-dominantly mined by people who think coins with no actual use have a future.

Seriously... look at this:    http://com-http.us/
it's gone to the dogs


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kendog77
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March 20, 2014, 06:02:26 PM
 #31038

You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

So why they don't just sell in stock units...?

pre-order = crowfunding.
end of line.
With that said....  I think the no-refund policy is a must after the last two months of FUD in here, Imagine if you were them, and had to deal with 50 refunds every time one of the trio of trolling fudsters decided to type more FUD. I imagine without them, it would be easy to offer the refunds up to shipping as normal. In other words, you can most likely thank the trolls for that policy; because they obviously aren't short on cash, and nowadays Miners change their minds more often than whores change their panties. I definitely understand the no refund policy on Titan, especially because alts & scrypt are not even mainstream, and are pre-dominantly mined by people who think coins with no actual use have a future.

FUD? I can order 3 1TH Coincraft miners with a delivery date of March 29th for $11,000 right now, and Knc hasn't shipped a single Neptune or even given buyers any idea of when they will be delivered. I'm amazed that everyone who doesn't have a day one order hasn't cancelled yet, and even day one orders are looking worse and worse by the day.

https://bitcointalk.org/index.php?topic=514758.0
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March 20, 2014, 06:03:39 PM
 #31039

You really think they NEED it when they are pumpin Petahashes @ the DataCenter?
I don't.

So why they don't just sell in stock units...?

pre-order = crowfunding.
end of line.
With that said....  I think the no-refund policy is a must after the last two months of FUD in here, Imagine if you were them, and had to deal with 50 refunds every time one of the trio of trolling fudsters decided to type more FUD. I imagine without them, it would be easy to offer the refunds up to shipping as normal. In other words, you can most likely thank the trolls for that policy; because they obviously aren't short on cash, and nowadays Miners change their minds more often than whores change their panties. I definitely understand the no refund policy on Titan, especially because alts & scrypt are not even mainstream, and are pre-dominantly mined by people who think coins with no actual use have a future.
phoenix, lets go the other way and imagine pictures and statements.....even an 'oops' time to start over again or anything is better than..........................................cricket cricket..................................................................chirp cricket chirp...who who (says the owl)............................................................cricket cricket...................................................................chirp cricket...............................................who who...

they say silence is golden, but only at the movies!!
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March 20, 2014, 06:07:51 PM
 #31040

FUD? I can order 3 1TH Coincraft miners with a delivery date of March 29th for $11,000 right now, and Knc hasn't shipped a single Neptune or even given buyers any idea of when they will be delivered. I'm amazed that everyone who doesn't have a day one order hasn't cancelled yet, and even day one orders are looking worse and worse by the day.

https://bitcointalk.org/index.php?topic=514758.0

He's in denial.  The Neptune is quickly becoming (if it wasn't already) a terrible purchase.
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