Good luck when asics jump on it
There have been ASICs on it since day one. It's just that ZET is not trading for much so most don't bother, if the ZET price triples you would see a flood of ASIC hash power towards it, basically the profitability needs to be higher than BTC for a few days to attract attention. |
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I missed out on the group buy, I didn't see the thread in time. Will there be another? I just need one unit for a project.
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Problem report sent to KnC support:
Hello,
my Saturn miner is running with about 7.5% HW errors (0.93). It looks like this is normal / known by KnC.
But my cgminer process also terminates itself from 2x per hour up every 3h. I did not observe any uptime
of cgminer much greater than 3h.
I observed (by pure chance) such a restart life:
Everything did look normal. A new status update in the bottom of cgminer every few seconds.
Suddenly there did show up error messages like
KnC: accepted by FPGA X works, but only Y submitted (where Y=0 or 1 only I think). X was always < 10.
I did not manage to make a screendump fast enough.
Those messages did show up at a rate of 10-20 (?) per second. SO really fast. After a few seconds the
screen session did terminate and the cgminer process was restarted.
Ralf / trepex
KnC answer (vie e-mail) with small comment from me: Hello Ralph Ralf, We are aware there have been problems with CGMiner in the latest firmware 0.93. These have been fixed and new firmware 0.94 will be released on our website later this afternoon. Please apply this as soon as it becomes available. Regards, Liam Med vänlig hälsning | Best regards Liam Vardy Kncminer www.kncminer.comOffice: +46 8559 253 20 At least they are pumping out the updates. It's the kind of thing that happens when you rush stuff our the door to appease the angry horde without a proper beta cycle. |
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Thanks Chad, my psu is rated for 83Amps and only has one rail. I think I should be ok (I have 2 blades and 4 arctic cooling f12s running on that atm) so thats bout 240w I believe. Would I still need a step down from 12v to 5v?
It kind of frightens me when people ask things like that. No, you will be using the 5volts from your power supply, leave the 12volts alone. |
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Aren't these "where is my order?" style questions better suited to being asked on either the kncminer.com forum or in some kind of support ticket? I mean is anyone from KNCminer going to see a question like that being asked here?
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Yes due to the lack of air movement the case under the unit and in the back of the unit near the rear vents does get warm to the touch. Considering its aluminum thats not something to overlook. And like I had mentioned this unit is located in a room with an average ambient temp between 60 and 65 degrees fahrenheit.
I would also add that as I have posted on the first page, the simple steps taken has helped with performance.
Can you point to the source of where replacing fans will void warranty? Especially if those new fans are powered from an external power source?
If the unit fails because you modified the cooling system, then it's pretty obvious who is at fault! How about you contact the manufacturer and tell them you are concerned about the cooling and ask them for the warranty details at the same time. |
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does anyone try to put at chip
thermal tape with 17wk/m
for better solution?
The standard cooling is fine, why void your warranty with that kind of meddling? As far as cpu cooling, I think it is adequate. However the only short fall was on moving air in and out of the case. Is the case actually getting hot? If not then you are wasting your time spending money on fans and blowing your warranty. |
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Fix the code in the coins so they wont accept blocks faster than a predetermined minimum frequency, and use Internet timestamps not peer consensus time.
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does anyone try to put at chip
thermal tape with 17wk/m
for better solution?
The standard cooling is fine, why void your warranty with that kind of meddling? |
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However I am going to swap out the stock fans on the case and instead put in higher CFM fans.
what fans you gonna use instead ie will they fit them heatsinks?
Why would you touch the heat sink fans? They are more then adequate. |
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You can't have everything  You got 550GH/s instead of 400GH/s I call that underpromise and overdeliver. If that was BFL they would have put 3 asic chips (410GH/s) in the Jupiter instead of 4 without any hesitation. That's quite a good comparison, I don't doubt it for a second. |
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cooling those single's is positively childsplay compared to that Monarch. The fact they managed to botch that is telling.
I would disagree. Of course we don't know how the die is internally attached or even if it's a single monolithic die, but the chances are that the silicon interface to the base of the heatsink will be much, much better than with the Singles. Keep in mind that we're talking similar power levels here, my Single pulls 300W from the wall. http://www.anandtech.com/show/6830/cpu-air-cooler-roundup-six-coolers-from-noctua-silverstone-and-cooler-master/4Look at some good air or water coolers, and the whole die->heatspreader->paste->heatsink->ambient thermal path might have an effective impedance in the range of 0.25C/W to 0.5C/W. Compare that to the even the exceedingly good and expensive thermal pads BFL uses. http://www.fujipoly.com/usa/products/sarcon-thermal-management-components/thermal-gap-filler-pads/high-performance-gap-filler/xr-m.html (they use the 50X-Hm). 0.06Cin^2/W at a very high pressure of 72psi. Since the BFL die is 0.1in^2, that gives an effective thermal impedance of 0.6C/W just across the thermal pad, in the best case. In the case that one die is lower (or worse one is noticeably higher) those numbers could be much worse. TL-DR, the thermal impedance of just BFL's expensive ($11/each if you cut 24 out of a full sheet) thermal pads is higher than the entire die to ambient impedance of a decent CPU cooler system. If you set aside the classic screwup on 65nm ASIC power consumption BFL did, the rest of their work shows they have some pretty competent electronic engineers even their firmware API is more elaborate than the competition. |
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I am still yet to see any shipping info for Australia, the original target audience of this group buy.
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What a couple of days.
Silk Road is busted, and BTC, after the knee-jerk that always attends any speculative prices on surprise announcements, takes 80% it back and volatility returns almost to normal.
KnC goes a long way to removing "bitcoin ASIC vendor" from the lexicon of synonyms for "con men."
Now if BFL actually ships their chips on or around their promised 100-day points, there might just be some order, good will, and community attitude return to this feckin' business.
Avalon... well, my attitude is, "that was ugly and tragic, but they won't exist going forward, so why should I care?"
Time to do a little real world work.
BFL actually shipped my chips on the 99th day after I paid for them and I received them on day 100. How bizzare, that's mighty unusual for them. Did you have to pay the remaining 50% before ship or COD? |
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Hopefully when the new Silk Road replacement rises from the ashes, the owner wont be stupid enough to operate in US jurisdiction.
Not that I have ever even looked at the SR web site, it's just the entire saga strikes me as very noob. He should have learned something from watching the .torrent site dramas eg TPB.
On a side note, the people dumping alt-coins because of the BTC drop are silly.
The myth that SR was the main use for BTC was dispelled back in April when Bitpay passed SR in trade volume.
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I sent an email to Megabigpower and they replied quite quickly actually (Yvonne Paull) and she said:
"We expect to begin shipping reels near the end of next week. You will receive an email when your order is ready to ship."
So, thanks for the quick reply Megabigower. I hope our reel is included in that. (The end of next week is around Oct 10/11th).
IAS
So the chips start in Russia (or is it Finland), then to USA, then to Australia? Is the shipping from Australia to UK a return journey, or will my chips complete a round-the-world journey? The chips are made in Asia. |
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PLEASE GIVE ME MY UNIT.
Do you honestly think the KNCminer staff have time to sit down and read forum like this atm? No, they are building and shipping units. I don't understand why people post questions or instructions for KNCMiner here when there is little chance they will be read. |
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