Swedish ASIC miner company kncminer.com - page 1265.

Silv0r

full member

Activity: 204

Merit: 100

Quote from: The Avenger on October 20, 2013, 12:31:13 PM

Quote from: Silv0r on October 20, 2013, 09:10:36 AM

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.

Silv0r

full member

Activity: 204

Merit: 100

Quote from: DPoS on October 20, 2013, 11:38:29 AM

Quote from: Sitarow on October 20, 2013, 11:29:09 AM

Quote from: Silv0r on October 20, 2013, 09:10:36 AM

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

Thank you for sharing that.

Die 1 might be cooked. Let us know how you wrestle with it in the future. I have one like that where .96 just keeps 30 cores off. It's for the best since it will just flap on and off cores if it tries with other FW now

Seems to be a voltage and firmware problem. Don't know how to fix it 100%. Now with 0.9V output voltage and 0.94 (+BertMod2.1) I have 13 cores disabled (Die #1 6 cores and Die #2 7 cores) and average hashrate of 129.7 GH/s after 3 hours mining on 50BTC. But my worries are the high temperatures. The curious thing is:

I used an AC cooler in front of the ASIC board. Temperatures were okay but more cores were disabled.
Case closed with normal room temperatures (21°C) I've got the best result. Hope the VRM's won't cook but this is from the VRM manual:

http://imgur.com/qeC39KH

I think 90°C should be in the normal operating area..

The Avenger

hero member

Activity: 798

Merit: 1000

Quote from: Silv0r on October 20, 2013, 09:10:36 AM

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.

Phoenix1969

legendary

Activity: 938

Merit: 1000

LIR DEV

Quote from: FiatKiller on October 20, 2013, 12:21:01 PM

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...

FiatKiller

sr. member

Activity: 378

Merit: 250

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.

akhentek

newbie

Activity: 45

Merit: 0

Quote from: Phoenix1969 on October 20, 2013, 10:48:33 AM

Quote from: -ck on October 20, 2013, 02:56:42 AM

Quote from: frankenmint on October 20, 2013, 12:31:22 AM

+1 Im starting to see a pattern of conceit among hero members. I would rather use BFG modded fw over CG every day this year (with that said I felt like luke-jr was a little conceited too) Thanks you two for the great sw and all - specifically the free factor, but acting egotistical doesn't help your cause at all.

You're free to do what you like. By the way, though, cgminer is my project. Kano is a value contributor but not the maintainer, and while I have complete control over what code to include, I have zero ability to control what he says or does on the forum. Note that in the future, I will be working on the kfc driver code.

cool, my offer of letting you play with a saturn is hereby offered to cklovas...... ! you da man, ty for being so understanding!

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

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

Good morning indeed

Phoenix1969

legendary

Activity: 938

Merit: 1000

LIR DEV

Quote from: sickpig on October 20, 2013, 12:09:16 PM

Quote from: Phoenix1969 on October 20, 2013, 10:48:33 AM

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

https://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.

sickpig

legendary

Activity: 1260

Merit: 1008

Quote from: Phoenix1969 on October 20, 2013, 10:48:33 AM

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

https://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.

soy

legendary

Activity: 1428

Merit: 1013

Quote from: soy on October 20, 2013, 11:54:20 AM

Quote from: soy on October 20, 2013, 10:55:16 AM

Quote from: soy on October 20, 2013, 10:41:14 AM

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.

ur0pl

newbie

Activity: 56

Merit: 0

okay the asic_test thing with .96 didn't work. I am going to swap one of the bad boards with the one jupiter that I am keeping. Then, i could sell the unit. then, i could return the bad board for a good one, abit, i have to pay around 200 for shipping, but whatever. this is more a hobby at this point than profit and roi, unfortunately.

DPoS

sr. member

Activity: 462

Merit: 250

Quote from: Cablez on October 20, 2013, 11:49:42 AM

Quote from: DPoS on October 20, 2013, 11:38:29 AM

I have one like that where .96 just keeps 30 cores off. It's for the best since it will just flap on and off cores if it tries with other FW now

How are you seeing how many cores are disabled? I thought Burtmod did not work with 0.96.

My Jupiter is consistently around 460-470GH/s no matter which firmware I have used and with the 'enable cores' file loaded in a cold room. Is that the best its going to get? It is kind of disappointing.

Also, why does screen(cgminer) keep crashing back to prompt? That is a bit annoying.

dig out asic_status.pl from bertmod's package and just run something like this:

perl ./asic_status.pl > /www/pages/stat1.html

then you can just hit that page using /stat1.html

soy

legendary

Activity: 1428

Merit: 1013

Quote from: soy on October 20, 2013, 10:55:16 AM

Quote from: soy on October 20, 2013, 10:41:14 AM

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.

Cablez

legendary

Activity: 1400

Merit: 1000

I owe my soul to the Bitcoin code...

Quote from: DPoS on October 20, 2013, 11:38:29 AM

I have one like that where .96 just keeps 30 cores off. It's for the best since it will just flap on and off cores if it tries with other FW now

How are you seeing how many cores are disabled? I thought Burtmod did not work with 0.96.

My Jupiter is consistently around 460-470GH/s no matter which firmware I have used and with the 'enable cores' file loaded in a cold room. Is that the best its going to get? It is kind of disappointing.

Also, why does screen(cgminer) keep crashing back to prompt? That is a bit annoying.

Phoenix1969

legendary

Activity: 938

Merit: 1000

LIR DEV

Quote from: edgar on October 20, 2013, 11:45:23 AM

Quote from: Phoenix1969 on October 20, 2013, 11:38:56 AM

Quote from: edgar on October 20, 2013, 11:36:54 AM

i am unable to access the GUI page

so use putty
You will never be able to access the GUI or thru putty if the ethernet light stops blinking before you make access.

putty fails to work - you are welcome to try via tv - you will be the 3rd, and they do say 3rd time lucky

does the I.P. sniff out as a "live" connection?

merv77

hero member

Activity: 574

Merit: 500

1.21 GIGA WATTS

Quote from: edgar on October 20, 2013, 11:36:54 AM

i am unable to access the GUI page

have you tried just powering just the controller/beaglebone only..?

- power off miner and unplug power to ASIC boards
- power up PSU with controller/beaglebone only
- clear browers data/cache and and re-try web ui

this is providing you know your correct IP of the miner

edgar

legendary

Activity: 1858

Merit: 1001

Quote from: Phoenix1969 on October 20, 2013, 11:38:56 AM

Quote from: edgar on October 20, 2013, 11:36:54 AM

i am unable to access the GUI page

so use putty
You will never be able to access the GUI or thru putty if the ethernet light stops blinking before you make access.

putty fails to work - you are welcome to try via tv - you will be the 3rd, and they do say 3rd time lucky

DPoS

sr. member

Activity: 462

Merit: 250

Quote from: Micky25 on October 20, 2013, 08:17:26 AM

with the original 0.95 firmware.

glad we could be testbeds for you!! I'm happy with my early coins but do have one limp miner to nurse now. Glad the other one had a bit more constitution

Phoenix1969

legendary

Activity: 938

Merit: 1000

LIR DEV

Quote from: edgar on October 20, 2013, 11:36:54 AM

i am unable to access the GUI page

so use putty
You will never be able to access the GUI or thru putty if the ethernet light stops blinking before you make access.
it took me 18 hours of frustration, then a good night's sleep to figure that out

DPoS

sr. member

Activity: 462

Merit: 250

Quote from: Sitarow on October 20, 2013, 11:29:09 AM

Quote from: Silv0r on October 20, 2013, 09:10:36 AM

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

Thank you for sharing that.

Die 1 might be cooked. Let us know how you wrestle with it in the future. I have one like that where .96 just keeps 30 cores off. It's for the best since it will just flap on and off cores if it tries with other FW now

edgar

legendary

Activity: 1858

Merit: 1001

i am unable to access the GUI page

Topic: Swedish ASIC miner company kncminer.com - page 1265. (Read 3049528 times)