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Author Topic: Hacking The KNC Firmware: Overclocking  (Read 143747 times)
joeventura
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January 03, 2014, 04:26:45 AM
 #241

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

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January 03, 2014, 04:30:07 AM
 #242

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?
joeventura
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January 03, 2014, 04:35:16 AM
 #243

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

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CYPER
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January 03, 2014, 04:42:38 AM
 #244

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?
joeventura
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January 03, 2014, 04:46:47 AM
 #245

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?




http://imgur.com/XbFhJpM

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CYPER
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January 03, 2014, 04:52:14 AM
 #246

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?




http://imgur.com/XbFhJpM

511GH/s with 3.2% HW errors, so around 495GH/s at the pool.
Still very impressive. Good work.

Can you post a screenshot for your advanced tab.

Thank you.
joeventura
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January 03, 2014, 04:56:58 AM
 #247

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?




http://imgur.com/XbFhJpM

511GH/s with 3.2% HW errors, so around 495GH/s at the pool.
Still very impressive. Good work.

Can you post a screenshot for your advanced tab.

Thank you.


http://imgur.com/KB9VotC


Look ok?

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CYPER
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January 03, 2014, 05:03:13 AM
 #248

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?




http://imgur.com/XbFhJpM

511GH/s with 3.2% HW errors, so around 495GH/s at the pool.
Still very impressive. Good work.

Can you post a screenshot for your advanced tab.

Thank you.


http://imgur.com/KB9VotC


Look ok?

I envy your low temps  Grin
Amps look a bit high, but we are yet to find out what is the definition of high current, so it might be OK.

What are your SPI voltage and freq?
Any errors for disabled dies?
joeventura
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January 03, 2014, 05:07:27 AM
 #249

I applied

Code:
sed sBD1BC1B </etc/init.d/cgminer.sh >/config/zzz.sh ; /config/zzz.sh restart

And bumped up a bit of hashing rate, My Oct Jup never had any die issues and seems to run great.. I see people mention 211 and 231.. is their a single line sed command for these?


No.


I run 231 with an October Saturn in my garage that is (today for example) -3 degrees Celsius.

320GH/s?

Actually its a Saturn with 3 modules and it runs at 511-512GH

Hm, that sounds very hard to achieve.
Can you post a screenshot from SSH CGMiner?




http://imgur.com/XbFhJpM

511GH/s with 3.2% HW errors, so around 495GH/s at the pool.
Still very impressive. Good work.

Can you post a screenshot for your advanced tab.

Thank you.


http://imgur.com/KB9VotC


Look ok?

I envy your low temps  Grin
Amps look a bit high, but we are yet to find out what is the definition of high current, so it might be OK.

What are your SPI voltage and freq?
Any errors for disabled dies?

No errors

SPI 1.95 V
Freq  201442


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January 03, 2014, 09:30:26 AM
 #250

No errors

SPI 1.95 V
Freq  201442

try to increase those values mine are 2.05V and 299707Hz, I'm in a hurry now but I rembemer 'Orama saying that OC require to pump up those values to keep the communicatoin between the FPGA and the asic sloths healty. 

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January 03, 2014, 09:47:32 AM
 #251


wow more than 200 Amps per Board.

I suppose you have 4 VRMs for each board right?

One last question: Are the voltage values you setted (-0.1121) the maximum available?   

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whisper
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January 03, 2014, 09:54:28 AM
 #252

Is there some easy step by step guide for OC? Will send some mBTC to maker if a windows user like can make it righ!
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January 03, 2014, 01:23:18 PM
 #253

It looks like joe is using the default values for everything on the advanced page.  If that is the case great result!!  It must be a really solid board.


I have been messing around with the advanced settings on a less than stellar board and found it is really hit or miss.  I have core dropouts that can be fixed with mild increases(decreases?) in voltage while I also have a pair of PITA cores that even with a full 0.1v (0.9v total) extra will not stay on even at 1D1.

I need to go back and try the fully separated die file for zzz.sh and see if I can get better whole machine performance by being selective about clock increases.

If anyone else has info on what they learned messing around with the advanced page please share.  Its the only way we are going to get best practices.


Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
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January 03, 2014, 07:01:14 PM
 #254

Small update after my OC try.. I put a fan on one of the boards that was running a bit hot and it seems to be fine.. you can see here the eligius stats of when I changed it.. im running at around 634Gh/s for 12 hrs.. before OC it was around 550..

edit.. crap forgot the image

sickpig
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January 03, 2014, 07:39:19 PM
 #255

Small update after my OC try.. I put a fan on one of the boards that was running a bit hot and it seems to be fine.. you can see here the eligius stats of when I changed it.. im running at around 634Gh/s for 12 hrs.. before OC it was around 550..

edit.. crap forgot the image

http://diyasic.com/oc.jpg

which value did you use for OC? did you use the same OC settings for all of your boards?

 

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January 03, 2014, 08:53:01 PM
 #256

Small update after my OC try.. I put a fan on one of the boards that was running a bit hot and it seems to be fine.. you can see here the eligius stats of when I changed it.. im running at around 634Gh/s for 12 hrs.. before OC it was around 550..

edit.. crap forgot the image

http://diyasic.com/oc.jpg

which value did you use for OC? did you use the same OC settings for all of your boards?

 

I think I posted the link to pastie of the config.. just running 211, nothing else special.
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January 04, 2014, 06:11:42 AM
 #257

Is anyone using BTCguild with their OC?
either with the sed command of full vi edits of the .sh
Thanks.

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sickpig
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January 04, 2014, 10:56:40 AM
 #258

Small update after my OC try.. I put a fan on one of the boards that was running a bit hot and it seems to be fine.. you can see here the eligius stats of when I changed it.. im running at around 634Gh/s for 12 hrs.. before OC it was around 550..

edit.. crap forgot the image

http://diyasic.com/oc.jpg

which value did you use for OC? did you use the same OC settings for all of your boards?

 

I think I posted the link to pastie of the config.. just running 211, nothing else special.

you're right, sorry.
somehow I missed it.

Are the voltage that you're applying the maximum? 

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January 04, 2014, 12:03:49 PM
 #259

My october jupiter is runing at 665 Ghash stable for two weeks now.
boards are All 4 VRM
KNC tuning settings to default (lets be fair, the stuff i shitted this morning does more then that suite), for board 3 die 1 just a liitle higher voltage because 2 chips that would else would go marked bad.

Ambient temp is between 20 and 22 degrees.

using bfgminer and custom bgfminer script with all board and dies on 231

All VRMs are just below 60 amps stable between 57 and 59 Amps

Temp board 1 67 degrees
Temp board 2 70 degrees
Temp board 3 79 degrees
Temp board 4 62 degrees

Thank you verry much for the info on overclocking. it gives me an extra 115 Ghash

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sickpig
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January 04, 2014, 12:21:12 PM
 #260

My october jupiter is runing at 665 Ghash stable for two weeks now.
boards are All 4 VRM
KNC tuning settings to default (lets be fair, the stuff i shitted this morning does more then that suite), for board 3 die 1 just a liitle higher voltage because 2 chips that would else would go marked bad.

Ambient temp is between 20 and 22 degrees.

using bfgminer and custom bgfminer script with all board and dies on 231

All VRMs are just below 60 amps stable between 57 and 59 Amps

Temp board 1 67 degrees
Temp board 2 70 degrees
Temp board 3 79 degrees
Temp board 4 62 degrees

Thank you verry much for the info on overclocking. it gives me an extra 115 Ghash


so it seems that 4 VRMs board do not need a voltage boost to work under extreme OC settings.

On my Oct jup as soon as I increase the OC if I don't do the same for the voltage settings I will obtain a storm of "Knc core x-xx disalbe due to.." on cgminer interface. 

Do you obtain the same perf using cgminer instead?


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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