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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3008547 times)
Silv0r
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October 20, 2013, 05:36:08 PM
 #17461

Hi guys,

so I played a little with firmware settings, voltage (0.7 / 0.9) and after a few restarts I now have my Mercury running stable at 130 GH/s and only have ~15 cores disabled instead of 40 cores with firmware 0.90 and enablecore.bin.

I made a few photos from the ASIC board and found out that the VRM with an output voltage from 0.9V they reach temperatures over 89°C.

Here is an album I made:

http://imgur.com/a/wVSbq
Great thermal images Silv0r! Moar!

I was under the impression these vrm's were optimal under 95degC, so 89degC is surprisingly high. How are you adjusting the voltage?

Also the beaglebone photo - is that hot spot dead centre? Hard to know without knowing which direction the photo was taken.

The photo of the BeagleBone was taken from the front side of the case. It seems to me that firmware 0.90 - 0.94 is working with other voltage settings as 0.95/0.96 does. Don't know how to adjust them manually. Just flashed 0.90, made a hard reset, flashed the enablecore.bin and then had a power cycle on PSU. After that I had a output voltage of ~0.9V instead of 0.7V. In my case the miner is working effective with 0.9V.

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October 20, 2013, 05:39:45 PM
 #17462

Good thing I paid for my KnC with USD.   I might end up making a profit after all Smiley

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October 20, 2013, 05:40:01 PM
 #17463

Someone needs to make a FAQ for these, or a consolidated hardware tweaks page.

I've never even heard of putty or know what the heck it is. lol

I can say for those who upgraded to 0.96, try using Chrome if IE cannot access it anymore.

Also, Ping is a great ipad app for finding the miner. It appears as Texas Instruments.
Putty is an SSH app, that allows a way to access the desktop/command line environment on your miner. Without it... you will be beating your head into the wall trying to fix some of this stuff because you can't access the cgminer window without it. Until i got a kncminer, i had never used it either... It's simple. just Goog "How to use Putty"
learning a few basic linux commands wouldn't hurt either...  I Had to do the same.
It's just like old DOS 3.1.... with different commands...

I will love it then. I miss the old days when you actually needed a brain to use a computer.
I did learn bit of Linux a couple of years ago when I was playing around with wifi sniffing.  ;-)

thanks

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October 20, 2013, 05:46:58 PM
 #17464

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.

Nah, that can't be right as (4dies)(48cores)(6watts)=1152 watts.

So, at 100%, 180watts/(4dies)(48cores)=.9275watt/core.

Trying the 0.95 firmware.  Not enthused.  Started off with 4 cores 100% but that soon dropped due to the .7volt output of the vrms.  Pretty quickly 23.95% of my cores became disabled.  That's the bad news.  The good news is that my power at the wall dropped from 268watts to 142watts and with BertMod showing 89watts, my power supply efficiency is about the same, 62.6%.  I might be able to tweak by raising my PCIE voltage.  I wait and see how this settles out.

Wow, not settling out at all.  Back to the failure to reach 100GH/s and it had started out with 100% cores.  I know from experience that adjusting my Vin, for an hour at 10v and later an hour at 12.5 Vin that it doesn't effectively get above 99.5GH/s while pre-0.95 firmware can allow me >130GH/s but at a cost of 162watts more at the wall extra.  So, the 34GH/s more I expect to get will cost me an additional 114% at the wall.  Well, this would be the time to spend that power, maybe not next year when network hashrate will be so high.

Back to 0.94, enablecores.bin run, have 100% cores for a few minutes then one core goes off.  Same die all the time.  Since the low voltage of the 0.95 lost such a high percentage of  cores, and since I've had the Vin adjusted to 11.7v yesterday and today, I adjusted it up to 12.0 and found the same failure; then adjusted it down to 11.5v and again after a few minutes it drops from all cores 100% to 1 core off at 97.9% of die 3.  It's right up to above 131GH/s avg. so I'm going to let it be at 11.5v, 180w from BertMod, 269½watts at the wall.




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October 20, 2013, 05:52:52 PM
 #17465

Ha! ran awhile and it's back to all four at 100%!



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October 20, 2013, 05:54:54 PM
 #17466

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.

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October 20, 2013, 05:57:10 PM
 #17467

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.

So, Google drive, allow anyone to view, paste the address between the image not-image ?



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October 20, 2013, 06:01:56 PM
 #17468


on another note (totally off -topic)  It's a goood morning...

http://i.imgur.com/ah2LsGh.png

don't even bother to look at Gox, especially if you are located in the US. it's almost impossible to fetch fiat from there.
To get a more balanced estimate of BTC value look at bitstamp et al.
I've had a Gox account since April...  never had a problem.
The dough always comes, allbeit a bit slow.

I'm glad good for you, I've heard a lot of horror stories about people trying to fetch fiat via bank wires, especially for USD located person. I've to say that the amount of money those stories are about are quite high, thou.

Bitcoin is a participatory system which ought to respect the right of self determinism of all of its users - Gregory Maxwell.
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October 20, 2013, 06:03:28 PM
 #17469

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.

So, Google drive, allow anyone to view, paste the address between the image not-image ?
Try http://imgur.com/, very easy to upload photos.

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October 20, 2013, 06:04:23 PM
 #17470

tried putty, tried FF, IE, Chrome, tried some stuff i have no idea what it was but ti didnt work and the guy doing it was stumped

closest i get is a login box in IE that i never see in FF - admin admin and the box disappears...

with no pci-e connected i get a solid red led
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October 20, 2013, 06:09:38 PM
 #17471

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.



https://docs.google.com/file/d/0B_DLmNkCkkVpZGRTV1NvTzhOMEk/edit?usp=drive_web
https://docs.google.com/file/d/0B_DLmNkCkkVpRDVFTTZ4TGp0MkU/edit?usp=drive_web

Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

 KnC 0: | 171.1G/136.0Gh/s | A:77511 R:6588 HW:6205 WU:2187.4/m

The one core that was down came back on and all 4 at 100%. 



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October 20, 2013, 06:15:24 PM
 #17472

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.



https://docs.google.com/file/d/0B_DLmNkCkkVpZGRTV1NvTzhOMEk/edit?usp=drive_web
https://docs.google.com/file/d/0B_DLmNkCkkVpRDVFTTZ4TGp0MkU/edit?usp=drive_web

Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

Could you take one the other way, looking from the power supply towards the beaglebone? Just wanted to see how you are pushing the air down on the BBB.

"I am not The Avenger"
1AthxGvreWbkmtTXed6EQfjXMXXdSG7dD6
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October 20, 2013, 06:16:58 PM
 #17473

tried putty, tried FF, IE, Chrome, tried some stuff i have no idea what it was but ti didnt work and the guy doing it was stumped

closest i get is a login box in IE that i never see in FF - admin admin and the box disappears...

with no pci-e connected i get a solid red led
tried putty, tried FF, IE, Chrome, tried some stuff i have no idea what it was but ti didnt work and the guy doing it was stumped

closest i get is a login box in IE that i never see in FF - admin admin and the box disappears...

with no pci-e connected i get a solid red led
AAAaaaah!... you almost got it!
clear your
IE browser cashe and do again...
the admin/admin is indeed the right place...clearing the cashe will allow you in!
ccleaner is fast & easy.
most have better luck with chrome tho....whatever works!


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October 20, 2013, 06:18:38 PM
 #17474

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.



https://docs.google.com/file/d/0B_DLmNkCkkVpZGRTV1NvTzhOMEk/edit?usp=drive_web
https://docs.google.com/file/d/0B_DLmNkCkkVpRDVFTTZ4TGp0MkU/edit?usp=drive_web

Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

Could you take one the other way, looking from the power supply towards the beaglebone? Just wanted to see how you are pushing the air down on the BBB.

All you'll see is the cardboard tucked under the module and tucked under the 90° angle of the front top.  There is a crease in the cardboard.  Unless it's you want me to search the cardboard from some indication that it was what my Jalapeno and broken coffee cup came in?

Now I recall, Avenger, embroiled in heated exchanges.  Are you with BFL?

Excuse me but I've got to get in some running with my dog.  A slow 7+miles RT to a nearby highway I think.



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October 20, 2013, 06:29:22 PM
 #17475


Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

 KnC 0: | 171.1G/136.0Gh/s | A:77511 R:6588 HW:6205 WU:2187.4/m

The one core that was down came back on and all 4 at 100%. 


if you are going to do all that, drop the heatsink fans to the crossbar.  you'll be amazed on the drop in temp


~~BTC~~GAMBIT~~BTC~~Play Boardgames for Bitcoins!!~~BTC~~GAMBIT~~BTC~~ Something I say help? Donate BTC! 1KN1K1xStzsgfYxdArSX4PEjFfcLEuYhid
The Avenger
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October 20, 2013, 06:31:36 PM
 #17476

When I fuss with my cardboard and fans, I sometimes get a reboot.  Since I run, at the present, without the top, center cardboard cooling the BBB, a 12v fan sitting inside blowing on the left side of the module, another 12v fan outside the case blowing on the right side of the 1 module (Mercury), I added another piece of cardboard to the right of the BBB, to the side and up to the module, taking the air pushed out the side and directing it to the module.  The miner white light came on and off as I moved the fans, perhaps a loose pin in an added fan connector, but it started again right away.  Put Bertmod back but earlier tried the 0.2.1 and found it works well with firmware 0.90, looked at my cores, which I could with the 0.2.1, and earlier their was a single core not up, but now there are four 100% cores and the BertMod says the power change from adding that one core on firmware 0.90 with ~0.9v to the 4 vmr's, was 174 watts with one core down and 180 watts with all cores running.
Any chance of a few photos? Hard to visualise.



https://docs.google.com/file/d/0B_DLmNkCkkVpZGRTV1NvTzhOMEk/edit?usp=drive_web
https://docs.google.com/file/d/0B_DLmNkCkkVpRDVFTTZ4TGp0MkU/edit?usp=drive_web

Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

Could you take one the other way, looking from the power supply towards the beaglebone? Just wanted to see how you are pushing the air down on the BBB.

All you'll see is the cardboard tucked under the module and tucked under the 90° angle of the front top.  There is a crease in the cardboard.  Unless it's you want me to search the cardboard from some indication that it was what my Jalapeno and broken coffee cup came in?

Now I recall, Avenger, embroiled in heated exchanges.  Are you with BFL?

Excuse me but I've got to get in some running with my dog.  A slow 7+miles RT to a nearby highway I think.
Sheesh, the photos you provided just show chunks of cardboard, I wanted to see how the air was being directed inside from the inlet fan. Forget it.

"I am not The Avenger"
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October 20, 2013, 06:35:43 PM
 #17477


at least you can glu the coffe cup back together & use it maybe...lol...what a slap in the meatballs...


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October 20, 2013, 06:36:59 PM
 #17478


Remember, this is just testing conditions and this will be much neater after I figure out what I need to do and button up.  Might take a while to get the connectors to relocate the BBB tho.

 KnC 0: | 171.1G/136.0Gh/s | A:77511 R:6588 HW:6205 WU:2187.4/m

The one core that was down came back on and all 4 at 100%. 


if you are going to do all that, drop the heatsink fans to the crossbar.  you'll be amazed on the drop in temp



I don't quite understand what you mean.  Your heatsink fans seem positioned same as mine although my single module is up front right.



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October 20, 2013, 06:37:42 PM
 #17479


Sheesh, the photos you provided just show chunks of cardboard, I wanted to see how the air was being directed inside from the inlet fan. Forget it.

just put a small fan on the outside by the ethernet cable pointing in for airflow under the beagleboard

~~BTC~~GAMBIT~~BTC~~Play Boardgames for Bitcoins!!~~BTC~~GAMBIT~~BTC~~ Something I say help? Donate BTC! 1KN1K1xStzsgfYxdArSX4PEjFfcLEuYhid
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October 20, 2013, 06:38:24 PM
 #17480


at least you can glu the coffe cup back together & use it maybe...lol...what a slap in the meatballs...

No, the broken cup is gone.  Trying not to dwell on that.  It's unhealthy.



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