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Author Topic: Swedish ASIC miner company kncminer.com  (Read 3013023 times)
frenchy
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August 31, 2015, 09:42:04 PM
 #41261

No it was on top of the molex connector on the controller.
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GenTarkin
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August 31, 2015, 09:45:46 PM
 #41262

I believe the tps 65217a was located on u16 on your last picture vegasthe eight chip near the lm 75.

I found this and it sounds like its on the controller :

https://github.com/KnCMiner/knc-asic/issues/2

Interesting, will the titan refuse to mine / power up if the LCD is not there rofl?!
Or tps65217 for that matter?

GenTarkin's MOD Kncminer Titan custom firmware! v1.0.4! <--- CLICK HERE
Donations: bitcoin- 1Px71mWNQNKW19xuARqrmnbcem1dXqJ3At || litecoin- LYXrLis3ik6TRn8tdvzAyJ264DRvwYVeEw
vegasguy
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"Yobit pump alert software" Link in my signature!


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August 31, 2015, 09:46:51 PM
 #41263

If you remove the LCD screen, thats a 6th port to add a 6th cube.

Vegas

I want to make sure everyone knows that I just released my software called "Yobit pump alert". THis is custom software that uses an algo to detect the start of a pump here on yobit, the second it starts. YOu can even filter the coins you see by price. Most pumps start less than 100 sats , so you can easily filter the cheap coins, so they are the only ones displayed Smiley https://bitcointalk.org/index.php?topic=1945937.msg20241953#msg20241953
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August 31, 2015, 09:48:45 PM
 #41264

Hey vegas are one of these on the hashing board? tps65217

I would think thats for the FPGA but double check.






I want to make sure everyone knows that I just released my software called "Yobit pump alert". THis is custom software that uses an algo to detect the start of a pump here on yobit, the second it starts. YOu can even filter the coins you see by price. Most pumps start less than 100 sats , so you can easily filter the cheap coins, so they are the only ones displayed Smiley https://bitcointalk.org/index.php?topic=1945937.msg20241953#msg20241953
GenTarkin
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August 31, 2015, 09:51:36 PM
 #41265

So, no not on the hashing board =) good.

GenTarkin's MOD Kncminer Titan custom firmware! v1.0.4! <--- CLICK HERE
Donations: bitcoin- 1Px71mWNQNKW19xuARqrmnbcem1dXqJ3At || litecoin- LYXrLis3ik6TRn8tdvzAyJ264DRvwYVeEw
frenchy
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August 31, 2015, 09:55:51 PM
 #41266

Yes you are right i remember now the u16 on the boards are not tps 65217 but the chip for i2c/spi.
 Grin
frenchy
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August 31, 2015, 10:00:38 PM
 #41267

And the rtc clock on the six green leds plate between controller board and the Rpi......sorry i was confused.
The Avenger
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August 31, 2015, 10:13:29 PM
 #41268

Is the LM75 the actual temp sensor itself as well? if it is then measuring the temperature on that location of the board is purely a freaking ambient temp - "inside of the cube" temp ROFL! Thats quite useless, thanks KNC.

As far as I'm concerned, kfc put the LM75 as far as possible away from the chip to try to hide how stupidly hot their chips were getting. This was my thoughts the moment they released photos of the neptune boards.

BTW, anyone else notice how they put the component that reports the chip temperature at the very *edge* of the board, far far away from the chip? Is this a tell that KNC expect Neptune to have heat/overheating problems?

If you have a few big fans blasting air over this, it is not going to report anywhere near the correct chip/board temperature. It looks like KNC are misrepresenting - by design



"I am not The Avenger"
1AthxGvreWbkmtTXed6EQfjXMXXdSG7dD6
GenTarkin
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August 31, 2015, 10:43:02 PM
 #41269

Well, my question regarding LM75 is , is it the sensor itself or is it just the IC for a remote sensor probe?

GenTarkin's MOD Kncminer Titan custom firmware! v1.0.4! <--- CLICK HERE
Donations: bitcoin- 1Px71mWNQNKW19xuARqrmnbcem1dXqJ3At || litecoin- LYXrLis3ik6TRn8tdvzAyJ264DRvwYVeEw
2112
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September 01, 2015, 12:24:45 AM
 #41270

Well, my question regarding LM75 is , is it the sensor itself or is it just the IC for a remote sensor probe?
Well, the LM75 physical IC is for sure a local sensor only.

On the other hand, if you are looking at the code commented as "reading from LM75" there is a whole bunch of "LM75 register-compatible" ICs that could be using both local and remote sensors.

Please comment, critique, criticize or ridicule BIP 2112: https://bitcointalk.org/index.php?topic=54382.0
Long-term mining prognosis: https://bitcointalk.org/index.php?topic=91101.0
GenTarkin
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September 01, 2015, 12:30:46 AM
 #41271

Well, my question regarding LM75 is , is it the sensor itself or is it just the IC for a remote sensor probe?
Well, the LM75 physical IC is for sure a local sensor only.

On the other hand, if you are looking at the code commented as "reading from LM75" there is a whole bunch of "LM75 register-compatible" ICs that could be using both local and remote sensors.


So, then the Temperature column on status page is strictly a ambient reading only =)

GenTarkin's MOD Kncminer Titan custom firmware! v1.0.4! <--- CLICK HERE
Donations: bitcoin- 1Px71mWNQNKW19xuARqrmnbcem1dXqJ3At || litecoin- LYXrLis3ik6TRn8tdvzAyJ264DRvwYVeEw
2112
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September 01, 2015, 12:48:55 AM
 #41272

So, then the Temperature column on status page is strictly a ambient reading only =)
Well, I would really advise you to investigate markings on all chips on the board and see if any other contains something LM75-compatible. It should be fairly easy and safe to do the tests by touching the plastic cap of the chip with a soldering iron and look for any temperature readout to rise sharply.

The continuing popularity of an obsolete chip like LM75 was perplexing to me. Apparently it is still being used as in the last-resort over-temperature protection circuits. When not programmed in any way it will power-up as an over-temp protection set to trigger at 80 degrees Celsius.

On this miner it may be wired up to shut it down when the in-cube ambient temperature goes over 80C, which will serve as a sort of pre-fire-protection circuit even if the programmable controllers are hung or disconnected.


Please comment, critique, criticize or ridicule BIP 2112: https://bitcointalk.org/index.php?topic=54382.0
Long-term mining prognosis: https://bitcointalk.org/index.php?topic=91101.0
GenTarkin
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September 01, 2015, 12:52:28 AM
 #41273

So, then the Temperature column on status page is strictly a ambient reading only =)
Well, I would really advise you to investigate markings on all chips on the board and see if any other contains something LM75-compatible. It should be fairly easy and safe to do the tests by touching the plastic cap of the chip with a soldering iron and look for any temperature readout to rise sharply.

The continuing popularity of an obsolete chip like LM75 was perplexing to me. Apparently it is still being used as in the last-resort over-temperature protection circuits. When not programmed in any way it will power-up as an over-temp protection set to trigger at 80 degrees Celsius.

On this miner it may be wired up to shut it down when the in-cube ambient temperature goes over 80C, which will serve as a sort of pre-fire-protection circuit even if the programmable controllers are hung or disconnected.



The firmware source code clearly shows its polling the LM75 IC for temperatures to populate the Temperature fields on STATUS page on webgui.

GenTarkin's MOD Kncminer Titan custom firmware! v1.0.4! <--- CLICK HERE
Donations: bitcoin- 1Px71mWNQNKW19xuARqrmnbcem1dXqJ3At || litecoin- LYXrLis3ik6TRn8tdvzAyJ264DRvwYVeEw
Searing
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September 01, 2015, 03:49:26 AM
 #41274

I believe the tps 65217a was located on u16 on your last picture vegasthe eight chip near the lm 75.

I found this and it sounds like its on the controller :

https://github.com/KnCMiner/knc-asic/issues/2

Interesting, will the titan refuse to mine / power up if the LCD is not there rofl?!
Or tps65217 for that matter?

I was told (and it works) that you can take the LCD out of the port on a Titan to get an extra Port ..currently running 6 cubes on 1 controller using 2 1200i corsair PSU's. FYI Smiley

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mindtrip
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September 01, 2015, 04:31:29 AM
 #41275

I believe the tps 65217a was located on u16 on your last picture vegasthe eight chip near the lm 75.

I found this and it sounds like its on the controller :

https://github.com/KnCMiner/knc-asic/issues/2

Interesting, will the titan refuse to mine / power up if the LCD is not there rofl?!
Or tps65217 for that matter?

I was told (and it works) that you can take the LCD out of the port on a Titan to get an extra Port ..currently running 6 cubes on 1 controller using 2 1200i corsair PSU's. FYI Smiley

I can confirm I have 2 machines running like this they work great

zybc
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September 01, 2015, 08:06:06 AM
 #41276

This screen stays for an infinite time
http://static1.keep4u.ru/2015/08/31/Asic-44.th.png
Waited 3hrs then 5hrs..
internet is 6Mbit and SD 10class NEW one!

Please attempt installing the new released v.99a firmware .bin file here:
https://github.com/GenTarkin/Titan/releases/tag/v.99a

It wont attempt to install wget anymore, should have no problems with this release.
Upgrade should finish in a few mins.
Yes Smiley it happened. Firmware flashed.
But still no cubes Sad

may be I can find some helpfull info at system logs??  (/var/log/)

here is monitordcdc log screenshot
http://static2.keep4u.ru/2015/09/01/asic-5.th.png
what does these line mean??
[2015-09-01 10:30:24] I2C lock failure #1
[2015-09-01 10:31:17] I2C lock failure #2
[2015-09-01 10:32:22] I2C lock failure #3
[2015-09-01 10:32:22] Rebooting due to I2C lock
This is 2.00 LOG

may be someone can advise how to compile knc-miner files to make changes incide??

TXSteve
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September 01, 2015, 11:24:49 AM
 #41277

This screen stays for an infinite time

Waited 3hrs then 5hrs..
internet is 6Mbit and SD 10class NEW one!

Please attempt installing the new released v.99a firmware .bin file here:
https://github.com/GenTarkin/Titan/releases/tag/v.99a

It wont attempt to install wget anymore, should have no problems with this release.
Upgrade should finish in a few mins.
Yes Smiley it happened. Firmware flashed.
But still no cubes Sad

may be I can find some helpfull info at system logs??  (/var/log/)

here is monitordcdc log screenshot

what does these line mean??
[2015-09-01 10:30:24] I2C lock failure #1
[2015-09-01 10:31:17] I2C lock failure #2
[2015-09-01 10:32:22] I2C lock failure #3
[2015-09-01 10:32:22] Rebooting due to I2C lock
This is 2.00 LOG

may be someone can advise how to compile knc-miner files to make changes incide??



"Donations tampered with advanced firmware mode disabled!!"

looks like you were busted ...

that msg should read "Donations tampered with, your rig has been bricked, send 50 LTC to TarkyTarkin"


vegasguy
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September 01, 2015, 12:02:42 PM
 #41278

You can order a precompiled firmware with no donations. Look in my signature for the order page. Thanks for testing the security system Smiley

Vegas

I want to make sure everyone knows that I just released my software called "Yobit pump alert". THis is custom software that uses an algo to detect the start of a pump here on yobit, the second it starts. YOu can even filter the coins you see by price. Most pumps start less than 100 sats , so you can easily filter the cheap coins, so they are the only ones displayed Smiley https://bitcointalk.org/index.php?topic=1945937.msg20241953#msg20241953
LongAndShort
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September 01, 2015, 12:39:27 PM
 #41279

Please chime in if you remember, anyone. I vaugly remember Keith saying the temps were an average. I cannot quote as the knc forum is now gone as far as im aware.

They possibly then changed the status screen on the webgui to say : DC/DC Avg Temp. I really cant remember what came first to be honest.

By the way i noticed that the chips were getting so hot that it discolored the machined edge on the copper pipes used to make contact with the chips!
vegasguy
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September 01, 2015, 01:00:22 PM
 #41280

Quote
the chips were getting so hot that it discolored the machined edge on the copper pipes used to make contact with the chips

Ya, many of the failures are from the wafers getting so hot, the solders balls scorch and lose contact with the pcb. I may have to look into a reball machine. Problem is there is no stencil made to my knowledge for this chip.

Vegas

I want to make sure everyone knows that I just released my software called "Yobit pump alert". THis is custom software that uses an algo to detect the start of a pump here on yobit, the second it starts. YOu can even filter the coins you see by price. Most pumps start less than 100 sats , so you can easily filter the cheap coins, so they are the only ones displayed Smiley https://bitcointalk.org/index.php?topic=1945937.msg20241953#msg20241953
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