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Author Topic: [ANN] Spondoolies-Tech - carrier grade, data center ready mining rigs  (Read 1256293 times)
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crushed
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December 27, 2014, 04:15:30 PM
 #10081


Underclock the units. I get 1.3TH/s with an at the wall draw of 800 watts on my bronze power supplies.

Couple that with 0.06 cents per KWh winter power costs and the fact that I already have power supplies laying around and purchasing these units makes total sense in my situation.

Besides, this is just a hobby for me. My goal is to provide hash power and just not lose my shirt doing it.


Can you post your settings;  I'm drawing just over 900w

Your draw will depend on your power supply, it's efficiency and a little bit on your specific unit.

YMMV but here are my settings:

Start Voltage = 0.665
Max Voltage: 0.67
Max Watts = 200
Fan Speed = 50%

There is some variance per unit but these are the settings I start with and adjust in 5mV increments from there until I get in the neighborhood of 1.3TH/s plus or minus a little bit. For my units, these settings I start with usually put me in the neighborhood of 1.3TH/s.

Once I do that, I adjust fan speed down from 80% until I get to an area where a majority of the ASIC temps can still stay around 85C. Two or three will usually be a little bit higher, say around 100C.
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December 27, 2014, 10:44:39 PM
 #10082

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options? 
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December 27, 2014, 10:48:26 PM
 #10083

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options? 

SuperFlower Leadex GOLD 1300W is the same PSU as the EVGA

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December 27, 2014, 10:49:20 PM
Last edit: December 28, 2014, 05:46:07 AM by ASICSPACE
 #10084



I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

If you host at our datacenter, we can supply customized PSUs suitable for the SP20.

We mod server power supplies by soldering PCIE cables onto their 12V rails. The server PSUs, are over 90% efficient, and are designed for continuous use. We can supply one PSU suitable for an SP20 for $100.

See our website here: http://www.asicspace.com/

★★★★ Bitcoin Miner Hosting! ★★★★ $55/kw-month ★★★★ http://www.asicspace.com/ ★★ Best Prices in the hosting Industry! ★★★★
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December 27, 2014, 10:54:51 PM
 #10085

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

you can do 3 sp20's with 2 evga 1300 g2's  

you need to run the sp20's in the 1200gh area.  

if you are willing to run in the 1150-1250 speed.
other decent psu is a 750 watt corsair rm

 http://www.amazon.com/Corsair-Series-80PLUS-Gold-Certified-Supply/dp/B00EB7UITQ/ref=sr_1_1?ie=UTF8&qid=1419720711&sr=8-1&keywords=corsair+750+rm

a seasonic  760 watt plat

http://www.amazon.com/Seasonic-SS-760XP2-Platinum/dp/B009VV55TA/ref=sr_1_5?s=pc&ie=UTF8&qid=1419720765&sr=1-5&keywords=seasonic+platinum

a seasonic 860 watt plat  can run at 1300gh


http://www.amazon.com/SeaSonic-Platinum-PLATINUM-860-SS-860XP2-Supply/dp/B00608MP5E/ref=sr_1_2?s=pc&ie=UTF8&qid=1419720794&sr=1-2&keywords=seasonic+platinum


sidehack has some hp 2000 watt servers  they can do 2 at 1350 gh

or 3 at 1025gh


Biffa is correct about the superflower leadex gold 1300w

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 27, 2014, 11:30:55 PM
 #10086

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

you can do 3 sp20's with 2 evga 1300 g2's  

you need to run the sp20's in the 1200gh area.  

if you are willing to run in the 1150-1250 speed.
other decent psu is a 750 watt corsair rm

 http://www.amazon.com/Corsair-Series-80PLUS-Gold-Certified-Supply/dp/B00EB7UITQ/ref=sr_1_1?ie=UTF8&qid=1419720711&sr=8-1&keywords=corsair+750+rm

a seasonic  760 watt plat

http://www.amazon.com/Seasonic-SS-760XP2-Platinum/dp/B009VV55TA/ref=sr_1_5?s=pc&ie=UTF8&qid=1419720765&sr=1-5&keywords=seasonic+platinum

a seasonic 860 watt plat  can run at 1300gh


http://www.amazon.com/SeaSonic-Platinum-PLATINUM-860-SS-860XP2-Supply/dp/B00608MP5E/ref=sr_1_2?s=pc&ie=UTF8&qid=1419720794&sr=1-2&keywords=seasonic+platinum


sidehack has some hp 2000 watt servers  they can do 2 at 1350 gh

or 3 at 1025gh


Biffa is correct about the superflower leadex gold 1300w

Thanks for this great reply.  I'm luckily in a place where power and cooling are being provided for free for the next year, so I'm not sure I'm going to underclock this first batch.
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December 27, 2014, 11:34:14 PM
 #10087

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

you can do 3 sp20's with 2 evga 1300 g2's  

you need to run the sp20's in the 1200gh area.  

if you are willing to run in the 1150-1250 speed.
other decent psu is a 750 watt corsair rm

 http://www.amazon.com/Corsair-Series-80PLUS-Gold-Certified-Supply/dp/B00EB7UITQ/ref=sr_1_1?ie=UTF8&qid=1419720711&sr=8-1&keywords=corsair+750+rm

a seasonic  760 watt plat

http://www.amazon.com/Seasonic-SS-760XP2-Platinum/dp/B009VV55TA/ref=sr_1_5?s=pc&ie=UTF8&qid=1419720765&sr=1-5&keywords=seasonic+platinum

a seasonic 860 watt plat  can run at 1300gh


http://www.amazon.com/SeaSonic-Platinum-PLATINUM-860-SS-860XP2-Supply/dp/B00608MP5E/ref=sr_1_2?s=pc&ie=UTF8&qid=1419720794&sr=1-2&keywords=seasonic+platinum


sidehack has some hp 2000 watt servers  they can do 2 at 1350 gh

or 3 at 1025gh


Biffa is correct about the superflower leadex gold 1300w

Thanks for this great reply.  I'm luckily in a place where power and cooling are being provided for free for the next year, so I'm not sure I'm going to underclock this first batch.


That is okay if power and cooling are free run them in  the 1500gh to 1600gh hash rate.

Use fan  speed 80 to 100. 

  please understand that above 1600 gh needs a very cold room that is 50f or 10c  fans at 80 to 100

and a good psu the evga 1300g2 .

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 27, 2014, 11:35:49 PM
 #10088

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

you can do 3 sp20's with 2 evga 1300 g2's  

you need to run the sp20's in the 1200gh area.  

if you are willing to run in the 1150-1250 speed.
other decent psu is a 750 watt corsair rm

 http://www.amazon.com/Corsair-Series-80PLUS-Gold-Certified-Supply/dp/B00EB7UITQ/ref=sr_1_1?ie=UTF8&qid=1419720711&sr=8-1&keywords=corsair+750+rm

a seasonic  760 watt plat

http://www.amazon.com/Seasonic-SS-760XP2-Platinum/dp/B009VV55TA/ref=sr_1_5?s=pc&ie=UTF8&qid=1419720765&sr=1-5&keywords=seasonic+platinum

a seasonic 860 watt plat  can run at 1300gh


http://www.amazon.com/SeaSonic-Platinum-PLATINUM-860-SS-860XP2-Supply/dp/B00608MP5E/ref=sr_1_2?s=pc&ie=UTF8&qid=1419720794&sr=1-2&keywords=seasonic+platinum


sidehack has some hp 2000 watt servers  they can do 2 at 1350 gh

or 3 at 1025gh


Biffa is correct about the superflower leadex gold 1300w

Thanks for this great reply.  I'm luckily in a place where power and cooling are being provided for free for the next year, so I'm not sure I'm going to underclock this first batch.

To reach anywhere near max performance (1.7TH +/- 10%) they need to be somewhere very cool (sub 10°C) and have the fans running at min 80 speed, just make sure you can keep them somewhere where noise isn't an issue

You can run them at 1.5TH with 40-50% fans at 20-25°C ambient and they are tolerable in say a separate room.

Or you can replace the fans and underclock them and keep them under your bed Cheesy

Mine at pools that pay transaction fees & don't mine empty blocks :: kanopool :: ckpool ::
:: Dalcore's Crypto Mining H/W Hosting Directory & Reputation ::
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December 28, 2014, 01:36:38 AM
 #10089

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options?  

you can do 3 sp20's with 2 evga 1300 g2's  

you need to run the sp20's in the 1200gh area.  

if you are willing to run in the 1150-1250 speed.
other decent psu is a 750 watt corsair rm

 http://www.amazon.com/Corsair-Series-80PLUS-Gold-Certified-Supply/dp/B00EB7UITQ/ref=sr_1_1?ie=UTF8&qid=1419720711&sr=8-1&keywords=corsair+750+rm

a seasonic  760 watt plat

http://www.amazon.com/Seasonic-SS-760XP2-Platinum/dp/B009VV55TA/ref=sr_1_5?s=pc&ie=UTF8&qid=1419720765&sr=1-5&keywords=seasonic+platinum

a seasonic 860 watt plat  can run at 1300gh


http://www.amazon.com/SeaSonic-Platinum-PLATINUM-860-SS-860XP2-Supply/dp/B00608MP5E/ref=sr_1_2?s=pc&ie=UTF8&qid=1419720794&sr=1-2&keywords=seasonic+platinum


sidehack has some hp 2000 watt servers  they can do 2 at 1350 gh

or 3 at 1025gh


Biffa is correct about the superflower leadex gold 1300w

Thanks for this great reply.  I'm luckily in a place where power and cooling are being provided for free for the next year, so I'm not sure I'm going to underclock this first batch.

I am in winter myself hard to beat free to cheap cooling.  Winter keeps the SP20's very cold.  I still love them no regrets at all with buying them.

To reach anywhere near max performance (1.7TH +/- 10%) they need to be somewhere very cool (sub 10°C) and have the fans running at min 80 speed, just make sure you can keep them somewhere where noise isn't an issue

You can run them at 1.5TH with 40-50% fans at 20-25°C ambient and they are tolerable in say a separate room.

Or you can replace the fans and underclock them and keep them under your bed Cheesy
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December 28, 2014, 05:36:55 AM
 #10090


To reach anywhere near max performance (1.7TH +/- 10%) they need to be somewhere very cool (sub 10°C) and have the fans running at min 80 speed, just make sure you can keep them somewhere where noise isn't an issue

You can run them at 1.5TH with 40-50% fans at 20-25°C ambient and they are tolerable in say a separate room.

Or you can replace the fans and underclock them and keep them under your bed Cheesy

They're going into a half rack in a datacenter, so noise isn't an issue, I'm just going to have to monitor the cooling and see how the temps interact with them.  The datacenter is kept at 20°C.

Has anyone built an enclosure or shelf for these to go into standard 19" 4 post racks?
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December 28, 2014, 06:12:17 AM
 #10091

It's not hard to keep the SP20 running at high speed with 20% fan. You just need some fresh air.
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December 28, 2014, 06:26:16 AM
 #10092

I've read some good things about the EVGA 1300G2 PSUs for these.  I'm stepping up from putz around mining to some(5) of these jackson s20 boxes.  Any other good PSU options? 

SuperFlower Leadex GOLD 1300W is the same PSU as the EVGA

I use Corsair RM 1000 http://www.corsair.com/en/rm-series-rm1000-80-plus-gold-certified-power-supply. i Overclock asic and it works stable more than 2 weeks now. Consumption is 950/960w.

http://s28.postimg.org/4vfax79ul/Untitled.png
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December 28, 2014, 07:23:40 AM
 #10093

Very nice. Incoming temp 11 C helps a lot with the cooling

BTC: 1Bitcoin8dtPLLZcRtS6Kc8o4eXXZhxEaj | ZAN Coin
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December 28, 2014, 10:53:37 AM
 #10094

Very nice. Incoming temp 11 C helps a lot with the cooling

yeah that 11 c is the key to staying over 1600gh

to anyone that can do this (provide 11c temps)  and has cheap power whynot

I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 28, 2014, 11:44:01 AM
 #10095

I've been reading the posts and just thought I would throw my 0.0006369BTC regarding temps, psu and hash speed...

I use 1 HP Common Slot 1200W Server PSU with a Gigampz BB per SP20.  I'm not concerned with noise and power is cheap.  I am guessing that the spikes in the "last day" chart is the SP trying to auto correct for the PSU but I'm not sure.  If anyone has some thoughts I'd welcome them.

http://i58.tinypic.com/9gafb9.jpg

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December 28, 2014, 12:17:44 PM
 #10096

I am guessing that the spikes in the "last day" chart is the SP trying to auto correct for the PSU but I'm not sure.  If anyone has some thoughts I'd welcome them.





That spikes must be  thermal downclock. I see exactly same spikes when my environmental air are over 20 deg. That make me think the aluminium cooler for chips are too small and chips always work on they limit temp and often are downclock to prevent overheating(that also lover the hashrate)

Now i make some spimle air duct. Sp 20 suck cold air from outside and heat our room where we put our flowers during winter to prevent them from freezing.

The asic keep the room +10 degrees wich is perfect for the plants  Cheesy

Ps. i didn't hear any plant to complain about noise till now  Grin
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December 28, 2014, 12:21:15 PM
 #10097

...
Ps. i didn't hear any plant to complain about noise till now Smiley
http://www.treehugger.com/corporate-responsibility/free-music-to-make-your-plants-grow.html

New Mimblewimble implementation: https://www.beam.mw
Spondoolies is back with the SPx36: https://www.spondoolies-tech.com/products/spx36
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December 28, 2014, 12:45:22 PM
 #10098

I've been reading the posts and just thought I would throw my 0.0006369BTC regarding temps, psu and hash speed...

I use 1 HP Common Slot 1200W Server PSU with a Gigampz BB per SP20.  I'm not concerned with noise and power is cheap.  I am guessing that the spikes in the "last day" chart is the SP trying to auto correct for the PSU but I'm not sure.  If anyone has some thoughts I'd welcome them.





try backing down the .77 to .75   yeah you may stay at 1600 but more stable   show us this page

 see all of mine are 85c due to under clock  if you have a lot of 120 or 125c you are just a bit too much overclocked


I see BTC as the super highway and alt coins as taxis and trucks needed to move transactions.
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December 28, 2014, 01:21:24 PM
 #10099

Hello mr S
you are wright
was  my mistake
i have to explain to you have you have my unit working!!!!!
sorry ghas.io is not the main pool but?
i have to explain what he have to do, that´s really bad
you have a problem with hosting ( 7 days ) i can proof(there was a problem in ----)
i know not the right thread
sorry , but sp-tech  write me hosting is identified from sp-tech
3 options was there i maybe choose the worste one
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December 28, 2014, 03:27:01 PM
 #10100



try backing down the .77 to .75   yeah you may stay at 1600 but more stable   show us this page

 see all of mine are 85c due to under clock  if you have a lot of 120 or 125c you are just a bit too much overclocked


As requested.  I find it strange that I have such a variance in temps...or is that normal?

http://i61.tinypic.com/avodp3.jpg
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