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Author Topic: Unofficial Spondoolies SP20 thread  (Read 125968 times)
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Digitalmocking
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January 05, 2015, 01:22:28 AM
 #521

Despite everything going on with bitcoin, I'm still bullish on the tech overall.

I just got my first 3 SP20 boxes running at home, running 3 of them off of a pair of EVGA 1300G2 PSUs.  Once everything is stable I'll be moving them to a datacenter where I can leech free power in exchange for some network design I did for a client of mine.

Stock they came with 2.5.31 firmware, is there any reason to update the firmware from where its at, and if so, what's the best current stable firmware?

Thanks!
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January 05, 2015, 07:23:58 AM
 #522

Despite everything going on with bitcoin, I'm still bullish on the tech overall.

I just got my first 3 SP20 boxes running at home, running 3 of them off of a pair of EVGA 1300G2 PSUs.  Once everything is stable I'll be moving them to a datacenter where I can leech free power in exchange for some network design I did for a client of mine.

Stock they came with 2.5.31 firmware, is there any reason to update the firmware from where its at, and if so, what's the best current stable firmware?

Thanks!

The only noticeable difference to me in the newer firmware is the ability to turn the fan down below 40% to make it much quieter.  That being said, it only takes a minute to update so you might as well.

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January 05, 2015, 06:52:10 PM
 #523

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






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philipma1957 (OP)
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January 05, 2015, 07:22:09 PM
 #524

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






  looks like a chip issue, but the watt to gh ratio works.  just clock it exactly like the  photo you show.  and watch for issues down the road.

if it pulled the power the same as the others and had the low freq that would be worse. 

just keep the miner at the same settings

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xZork
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January 05, 2015, 07:36:07 PM
 #525

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






  looks like a chip issue, but the watt to gh ratio works.  just clock it exactly like the  photo you show.  and watch for issues down the road.

if it pulled the power the same as the others and had the low freq that would be worse. 

just keep the miner at the same settings

Well that kind of sucks, I guess it could be worse like you said. I might take it apart and see if maybe the heatsink is loose, but than again maybe it's better off just leaving it alone.

Thanks for the reply.


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bgibso01
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January 05, 2015, 07:54:46 PM
 #526

I posted this on the SP-T thread, and also PM'd, but thought I'd see if someone here knew the answer.


Quick questions:

What's the yellow flashing light (9x repeating) mean?  Everything looks to be mining just fine, but noticed one unit doing this.

Also, I know it's been discussed why Loop #1 & #3 run hotter, but was there a quick fix to help with it like turning on it's side or something?
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January 05, 2015, 08:25:51 PM
 #527

I posted this on the SP-T thread, and also PM'd, but thought I'd see if someone here knew the answer.


Quick questions:

What's the yellow flashing light (9x repeating) mean?  Everything looks to be mining just fine, but noticed one unit doing this.

Also, I know it's been discussed why Loop #1 & #3 run hotter, but was there a quick fix to help with it like turning on it's side or something?

ssh <miner>
cd /etc/init.d
grep led *


It's stuck somewhere in S47cron. Try SD card reset. If it wont help - contact support.
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January 05, 2015, 08:29:25 PM
 #528

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






  looks like a chip issue, but the watt to gh ratio works.  just clock it exactly like the  photo you show.  and watch for issues down the road.

if it pulled the power the same as the others and had the low freq that would be worse. 

just keep the miner at the same settings

Well that kind of sucks, I guess it could be worse like you said. I might take it apart and see if maybe the heatsink is loose, but than again maybe it's better off just leaving it alone.

Thanks for the reply.


You can see that this is the bist limit on this ASIC. It's not temperature related failure. Probably it has 1 bad engine that prevents the whole thing from going up. I will add a bitmask to settings that might resolve this in 2.6.2 - just set settings->extraflag to 8.
philipma1957 (OP)
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January 05, 2015, 08:29:39 PM
 #529

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






  looks like a chip issue, but the watt to gh ratio works.  just clock it exactly like the  photo you show.  and watch for issues down the road.

if it pulled the power the same as the others and had the low freq that would be worse.  

just keep the miner at the same settings

Well that kind of sucks, I guess it could be worse like you said. I might take it apart and see if maybe the heatsink is loose, but than again maybe it's better off just leaving it alone.

Thanks for the reply.

yeah at least the watt to gh ratio looks good.  so that will be the one you clock a little lower and you will save on power a bit.


better yet maybe the software fix above works.

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xZork
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January 05, 2015, 08:54:51 PM
 #530

I'm looking for a little help here guys. I have one set of ASICs that are acting up or different from the rest.  It shows PSU on Board 2 running much lower than the rest, I swapped what PSU was going to that board and I still get the same results on that board. At higher clock speeds this particular board gets hot, and I mean hot. It will start to hit 120c while the others are 90-100. I am new to these units so any input would be greatly appreciated.






  looks like a chip issue, but the watt to gh ratio works.  just clock it exactly like the  photo you show.  and watch for issues down the road.

if it pulled the power the same as the others and had the low freq that would be worse. 

just keep the miner at the same settings

Well that kind of sucks, I guess it could be worse like you said. I might take it apart and see if maybe the heatsink is loose, but than again maybe it's better off just leaving it alone.

Thanks for the reply.


You can see that this is the bist limit on this ASIC. It's not temperature related failure. Probably it has 1 bad engine that prevents the whole thing from going up. I will add a bitmask to settings that might resolve this in 2.6.2 - just set settings->extraflag to 8.


Changing extraflag to 8 had the following effects. Thanks, gotta little bit more out of it.



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January 05, 2015, 09:09:41 PM
Last edit: January 05, 2015, 11:23:04 PM by mavericklm
 #531

Any way, trick, ssh or something to take out the 288W limit on sp20? ? ? ? ? ? ? Please!!!
thank you!

or the voltage limit of 0.790!!!
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January 06, 2015, 12:56:56 AM
 #532

Any way, trick, ssh or something to take out the 288W limit on sp20? ? ? ? ? ? ? Please!!!
thank you!

or the voltage limit of 0.790!!!

man  I think you want to do some meltdowns!!

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 MΞTAWIN  THE FIRST WEB3 CASINO   
.
.. PLAY NOW ..
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January 06, 2015, 01:35:32 AM
 #533

Does anyone know why the sp20 restarts cgminer every couple of days?  I loose my dynamically added pool information when this happens..also my stats. (best share, number of shares, etc)

Mine does because of the "Restart miner if rate falls below" option.  I was noticing at first that the SP20 would fall to about 1/2 it's hashrate after a day or so.  I set that to restart it if it falls below 850GH/s and now it restarts on it's own every day or two.  I actually think it's a great feature, but you may want to try turning that off and seeing if it is the cause.  If it were me, I'd look into making your pool information static, as that seems like a better fix than having to manually restart your SP20 if the hashrate drops.

this is probably what is happening.. where is this setting? i dont see it

1jimbitm6hAKTjKX4qurCNQubbnk2YsFw
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January 06, 2015, 02:13:02 AM
 #534

Not so much concerned with power as with noise as this is sitting not that far from my desk. 1378 GH with only 20% Fan, love these things.


BTC ADDRESS: 12Qwd8VKLQ4xF44ytHXBpCAKuF9VknG4X2
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January 06, 2015, 07:15:04 AM
 #535

Any way, trick, ssh or something to take out the 288W limit on sp20? ? ? ? ? ? ? Please!!!
thank you!

or the voltage limit of 0.790!!!

man  I think you want to do some meltdowns!!

incoming -10C this week! is a pity not to have some fun! Grin if i had some waterblocks i could have made a chiller and have maxtemps on asics close to 0 Cheesy
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January 06, 2015, 07:14:51 PM
 #536

WARNING: Radical ideas folllow...

My 2 SP20 boxes run underclocked on 850W supplies getting between 1300-1350 with temperature reporting 33/78
settings are .68/.,62/.68/.62 with 200W on each

I lay my box on its side with the network connection down.
I run a 120mm fan outside the box pulling air out by the connectors
I've reversed my internal fan to push air into the box
and ... I run my reversed fan at 5%

Ahh -- finally peace!

The following is not recommended. It can damage your box, void your warranty and cause you stress

To allow setting the fan to 5%

ssh into the miner

cd /var/www/SP2x/
sed -i  's/($i = 20; $i < 101; $i += 10)/($i = 00; $i < 101; $i += 05)/' settings.php

Now, if I can only get this to persist across box reboots


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lulu2003
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January 06, 2015, 07:28:21 PM
 #537

is there some overview in which hash speeds ABOVE 1,2-1,3 TH/s are possible with which power consumption in real life?
I think currently this is the only point where the SP20 can differ from S5 performance and price/TH.

mavericklm
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January 06, 2015, 07:31:47 PM
 #538

is there some overview in which hash speeds ABOVE 1,2-1,3 TH/s are possible with which power consumption in real life?
I think currently this is the only point where the SP20 can differ from S5 performance and price/TH.



I dont understand what you are saying, but here it goes:

https://bitcointalk.org/index.php?topic=872014.msg10016431#msg10016431
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January 06, 2015, 07:35:32 PM
 #539

WARNING: Radical ideas folllow...

My 2 SP20 boxes run underclocked on 850W supplies getting between 1300-1350 with temperature reporting 33/78
settings are .68/.,62/.68/.62 with 200W on each

I lay my box on its side with the network connection down.
I run a 120mm fan outside the box pulling air out by the connectors
I've reversed my internal fan to push air into the box
and ... I run my reversed fan at 5%

Ahh -- finally peace!

The following is not recommended. It can damage your box, void your warranty and cause you stress

To allow setting the fan to 5%

ssh into the miner

cd /var/www/SP2x/
sed -i  's/($i = 20; $i < 101; $i += 10)/($i = 00; $i < 101; $i += 05)/' settings.php

Now, if I can only get this to persist across box reboots



you can change the following file to lower the fan speed below 20.

Code:
vi /etc/mg_custom_mode

FAN:10 VS0:650 VS1:650 VS2:650 VS3:650 VMAX:700 AC0:288 AC1:288 AC2:288 AC3:288 DC_AMP:170

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philipma1957 (OP)
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January 06, 2015, 07:55:53 PM
 #540

WARNING: Radical ideas folllow...

My 2 SP20 boxes run underclocked on 850W supplies getting between 1300-1350 with temperature reporting 33/78
settings are .68/.,62/.68/.62 with 200W on each

I lay my box on its side with the network connection down.
I run a 120mm fan outside the box pulling air out by the connectors
I've reversed my internal fan to push air into the box
and ... I run my reversed fan at 5%

Ahh -- finally peace!

The following is not recommended. It can damage your box, void your warranty and cause you stress

To allow setting the fan to 5%

ssh into the miner

cd /var/www/SP2x/
sed -i  's/($i = 20; $i < 101; $i += 10)/($i = 00; $i < 101; $i += 05)/' settings.php

Now, if I can only get this to persist across box reboots



you can change the following file to lower the fan speed below 20.

Code:
vi /etc/mg_custom_mode

FAN:10 VS0:650 VS1:650 VS2:650 VS3:650 VMAX:700 AC0:288 AC1:288 AC2:288 AC3:288 DC_AMP:170

I do this and mine run nicely at 15 with no boosting fan.

I run them at about 1200gh and 600 watts.  in an attached garage.  it is finally winter with outside temps at -7c or 21f.
 my attached garage is cooler so 8x 1200gh = 9600gh at 4800 watts all fans at 15 and no hot chips.

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