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Author Topic: S-5 review. It has arrived some info is in!  (Read 19515 times)
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visdude
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January 04, 2015, 02:41:38 PM
 #181


I'm surprised that the discussion about replacement fans are more focused on their airflow volume (CFM) rather than static pressure (mm/H2O) which is more significant in heat sink/radiator applications.  High static pressure fans are more capable of penetrating through dense heat sink fins such as in the AntMiner devices.  I think there's a reason why Bitmain engineers equip their units with very powerful industrial 12038s with high static pressure (directly proportional to loudness) instead of just mainstream consumer-oriented 12025s.



true in the case of  one  push fan only.  but two high cfm fans as push pull get around that.

 since neither one needs full penetration of the heat sink using high static pressure,   but if you don't care about sound the stock fan with a good pull fan cools best.

Push-pull configuration is only effective in an enclosed unit (S3) and not in an open-chassis design (S5) though.

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January 04, 2015, 03:11:31 PM
 #182


I'm surprised that the discussion about replacement fans are more focused on their airflow volume (CFM) rather than static pressure (mm/H2O) which is more significant in heat sink/radiator applications.  High static pressure fans are more capable of penetrating through dense heat sink fins such as in the AntMiner devices.  I think there's a reason why Bitmain engineers equip their units with very powerful industrial 12038s with high static pressure (directly proportional to loudness) instead of just mainstream consumer-oriented 12025s.



true in the case of  one  push fan only.  but two high cfm fans as push pull get around that.

 since neither one needs full penetration of the heat sink using high static pressure,   but if you don't care about sound the stock fan with a good pull fan cools best.

Push-pull configuration is only effective in an enclosed unit (S3) and not in an open-chassis design (S5) though.


 

    I ran the s-5 with the stock fan pushing  and at freq 412 the temps crept up to 67 and 65 .

   I ran the same freq with the 148 cfm 3 pin delta as a pull and temps never went above 58 and 56 at freq 412.  so for overclocking adding a high cfm pull fan got better results.  

I am sure  that a sealed box would have helped more.

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January 04, 2015, 03:42:14 PM
 #183


I'm surprised that the discussion about replacement fans are more focused on their airflow volume (CFM) rather than static pressure (mm/H2O) which is more significant in heat sink/radiator applications.  High static pressure fans are more capable of penetrating through dense heat sink fins such as in the AntMiner devices.  I think there's a reason why Bitmain engineers equip their units with very powerful industrial 12038s with high static pressure (directly proportional to loudness) instead of just mainstream consumer-oriented 12025s.



true in the case of  one  push fan only.  but two high cfm fans as push pull get around that.

 since neither one needs full penetration of the heat sink using high static pressure,   but if you don't care about sound the stock fan with a good pull fan cools best.

Push-pull configuration is only effective in an enclosed unit (S3) and not in an open-chassis design (S5) though.



While that should absolutely be true, I can say in my experience the front heatsinks went from too hot to touch to cool to the touch with a high cfm pull fan installed on my S5's.
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January 04, 2015, 04:04:50 PM
 #184


I'm surprised that the discussion about replacement fans are more focused on their airflow volume (CFM) rather than static pressure (mm/H2O) which is more significant in heat sink/radiator applications.  High static pressure fans are more capable of penetrating through dense heat sink fins such as in the AntMiner devices.  I think there's a reason why Bitmain engineers equip their units with very powerful industrial 12038s with high static pressure (directly proportional to loudness) instead of just mainstream consumer-oriented 12025s.



true in the case of  one  push fan only.  but two high cfm fans as push pull get around that.

 since neither one needs full penetration of the heat sink using high static pressure,   but if you don't care about sound the stock fan with a good pull fan cools best.

Push-pull configuration is only effective in an enclosed unit (S3) and not in an open-chassis design (S5) though.


   

    I ran the s-5 with the stock fan pushing  and at freq 412 the temps crept up to 67 and 65 .

   I ran the same freq with the 148 cfm 3 pin delta as a pull and temps never went above 58 and 56 at freq 412.  so for overclocking adding a high cfm pull fan got beter results. 

I am sure  that a sealed box would have helped more.

In your scenario (adding a pull fan in an open S5 unit), the pull fan is able to help dissipate some hot air coming out at the other end of the heat sinks to a certain extent (hence the temperature difference), courtesy of the powerful high-static-pressure (loud) stock fan that is able to force air through the dense heat sink fins.  The key is to have a high-static-pressure fan that is more efficient in pushing/forcing air through restrictive heat sink/radiator fins for optimum cooling, enclosed case or not.  I did add pull fans to my S1s back in the day because it helped to a certain extent.

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January 04, 2015, 04:10:30 PM
 #185

AND  to be clear the stock fan pushing at about 3900 rpm  and the delta fan pull at about 3000 rpm is silly nut job loud.

I read 75-77db at 1 .1 meters.

But it allowed for an easy freq of 412  and hash of 1290-1300 with power of .52 watt per gh


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January 04, 2015, 04:40:28 PM
 #186

AND  to be clear the stock fan pushing at about 3900 rpm  and the delta fan pull at about 3000 rpm is silly nut job loud.

I read 75-77db at 1 .1 meters.

But it allowed for an easy freq of 412  and hash of 1290-1300 with power of .52 watt per gh



Unfortunately though, optimum cooling efficiency usually comes with a price (loudness).  Also consider that a good part of that "loudness" is due to resonance created by turbulent air rushing through the restrictive/dense heat sink fins; and this is actually good.  It means that the fan is doing its job.

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January 04, 2015, 05:36:08 PM
 #187

AND  to be clear the stock fan pushing at about 3900 rpm  and the delta fan pull at about 3000 rpm is silly nut job loud.

I read 75-77db at 1 .1 meters.

But it allowed for an easy freq of 412  and hash of 1290-1300 with power of .52 watt per gh



Unfortunately though, optimum cooling efficiency usually comes with a price (loudness).  Also consider that a good part of that "loudness" is due to resonance created by turbulent air rushing through the restrictive/dense heat sink fins; and this is actually good.  It means that the fan is doing its job.



yeah it is true.  but this miner is pretty good if you have a place that hides the sound.  My freq 412 worked really well for a few hours before I backed it down to freq 375 and sold it off.

I can't take advantage of this miner due to the loud sound.  It is too loud in my garage. which is directly under my bedroom.  But lots of miners have spots where the sound does not matter.  And this miner will work well for them.

Please support sidehack with his new miner project Send to : 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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January 04, 2015, 05:42:59 PM
 #188

AND  to be clear the stock fan pushing at about 3900 rpm  and the delta fan pull at about 3000 rpm is silly nut job loud.

I read 75-77db at 1 .1 meters.

But it allowed for an easy freq of 412  and hash of 1290-1300 with power of .52 watt per gh



Unfortunately though, optimum cooling efficiency usually comes with a price (loudness).  Also consider that a good part of that "loudness" is due to resonance created by turbulent air rushing through the restrictive/dense heat sink fins; and this is actually good.  It means that the fan is doing its job.



yeah it is true.  but this miner is pretty good if you have a place that hides the sound.  My freq 412 worked really well for a few hours before I backed it down to freq 375 and sold it off.

I can't take advantage of this miner due to the loud sound.  It is too loud in my garage. which is directly under my bedroom.  But lots of miners have spots where the sound does not matter.  And this miner will work well for them.

I don't think that it is loud with noctua fans-you tested it first anyway. I compared directly with SP20 and noctua fan makes S5 less loud than Sp20 at fan setting 30 (underclocked to 1.35 th). The expense is the problem with this for a larger deployment. I am waiting for delta to do a noctua-delta combo (~$32) and will also check noctua-noctua and delta-delta ($16) as well. If any of these would work, I can deploy more. I cannot deploy more SP20 (have two) because even at setting 30 they are still a bit loud for home.
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January 04, 2015, 07:15:17 PM
 #189

AND  to be clear the stock fan pushing at about 3900 rpm  and the delta fan pull at about 3000 rpm is silly nut job loud.

I read 75-77db at 1 .1 meters.

But it allowed for an easy freq of 412  and hash of 1290-1300 with power of .52 watt per gh



Unfortunately though, optimum cooling efficiency usually comes with a price (loudness).  Also consider that a good part of that "loudness" is due to resonance created by turbulent air rushing through the restrictive/dense heat sink fins; and this is actually good.  It means that the fan is doing its job.



yeah it is true.  but this miner is pretty good if you have a place that hides the sound.  My freq 412 worked really well for a few hours before I backed it down to freq 375 and sold it off.

I can't take advantage of this miner due to the loud sound.  It is too loud in my garage. which is directly under my bedroom.  But lots of miners have spots where the sound does not matter.  And this miner will work well for them.

I don't think that it is loud with noctua fans-you tested it first anyway. I compared directly with SP20 and noctua fan makes S5 less loud than Sp20 at fan setting 30 (underclocked to 1.35 th). The expense is the problem with this for a larger deployment. I am waiting for delta to do a noctua-delta combo (~$32) and will also check noctua-noctua and delta-delta ($16) as well. If any of these would work, I can deploy more. I cannot deploy more SP20 (have two) because even at setting 30 they are still a bit loud for home.


yeah my sp20's work because I can do this in my attached garage a six stack with fans at 20 speeds at 1200gh this six pack will run until may.

I have 2 more on the far left in the last photo.

I will probably need to sell them off in late march or early april


 






 if it gets hot just open the garage door:




lastly sound control:



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January 04, 2015, 07:57:30 PM
 #190

As always love the garage (ghetto) setup, just like mine.  You must have at least 3 different circuits in your garage though don't you?
I have a gable vent at the top of mine which I place a box fan blowing out and added some larger vents for intake, works great.
For sound control, other than fan mods, I considered building a sound baffle case out
of MDF and an itntake and exhaust fan, but maybe it's best open air while it's cold around 40f without anything running.
Waiting on taxes to purchase to try out. Can't wait another 3 weeks, eek. 
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January 05, 2015, 04:20:00 PM
 #191

As always love the garage (ghetto) setup, just like mine.  You must have at least 3 different circuits in your garage though don't you?
I have a gable vent at the top of mine which I place a box fan blowing out and added some larger vents for intake, works great.
For sound control, other than fan mods, I considered building a sound baffle case out
of MDF and an itntake and exhaust fan, but maybe it's best open air while it's cold around 40f without anything running.
Waiting on taxes to purchase to try out. Can't wait another 3 weeks, eek. 

No years ago I wired my home. 

I lived in New Jersey  the home was built in 1970 during the Vietnam War the USA had a copper shortage and a few states allowed for Aluminum wiring.

BAD BAD BAD many house fires.  So  NJ came up with the law that if it is your home and you live in it you can diy your house wire.  Just pull a permit from your town and have the town inspect it.

So I went from 100 amp to 200 amp 20 circuits to 40 circuits.  I did everything but the actual box.  Saved a ton of money and ran lots of circuits to the garage.
My garage has 5x 20 amp circuits  for 120 volts wired with 10 awg wire. 

I can do  9000 watts  of power in the garage  safely.   It is too hot  for that even in the winter.

  So I run 8 sp20's at 1200gh/600 watts = 4800 watts.
  If I were alone in the house I would have purchased the 15 unit farm and run 15 of these all around the house.

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January 05, 2015, 05:02:36 PM
 #192

what is your power price per khw in NJ?

edit:
off topic

according to http://www.eia.gov/state/rankings/?sid=NJ#series/31
it around 15-16 ct

which means, even with best efficiency on market, you never make some money with it, assuming you had to spend nearly 4500 bucks (plus PSUs) for your units, and difficulty also as BTC/$ stays roughly the same, which it won't.
250 bucks/month profit is maximum if you don't reuse the heat energy.  Huh

okay, currently you got nothing if you leave you money on bank account (USD).  Tongue
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January 06, 2015, 08:42:31 AM
 #193

Hello there,

I'm from Russia and have ordered 1 x ANTMINER S5 BATCH 4.
Now I need some advice from you ...
I have a new out of the box PSU Fractal Design NEWTON R3 80PLUS® Platinum
http://www.fractal-design.com/home/product/power-supplies/newton/newton-r3-600w
and I'll going in anyway to connect it to S5.
Which are the potential minuses I'll get if use the PSU NEWTON R3 with Antminer S5? Please list all if it possible.
Thanks.
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January 06, 2015, 10:19:29 AM
 #194

it will very likely work fine if you underclock the S5 a bit not to exceed the 600w 12v single rail.
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January 06, 2015, 11:28:40 AM
 #195

it will very likely work fine if you underclock the S5 a bit not to exceed the 600w 12v single rail.
Prompt novice how to do it? Let me know instruction or links.
Thx.
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January 06, 2015, 01:20:18 PM
 #196

it will very likely work fine if you underclock the S5 a bit not to exceed the 600w 12v single rail.
Prompt novice how to do it? Let me know instruction or links.
Thx.

plug the pcie cable into in one side not two sides.

plug the ethernet cable into the s-5 and into your router or your ethernet switch.


it should turn on and start to mine in a minute or two.

look for it's address with an ip scanner

angry ip is free

advanced ip scanner is free   both for windows.

mac has a free one on the app store   ipscanner

once you find the ip sign on to the machine

the sign on is http://192.168.x.xxx          the x.xxx you find on the ip scan   my s-5 was http://192.168.0.191

once you are on the s-5's  GUI 

set freq to 300  down from 350   this should be low enough to run both sides of the s-5 with that psu.





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January 06, 2015, 02:53:00 PM
 #197

Don't really think the FD PSU will have any issues running at 600W. It should be ok even at 650W

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January 07, 2015, 06:03:47 AM
 #198

I may have found a nice, quiet, pretty high cfm fan for a push/pull, or strictly pull configuration which would be sufficient for home mining.
What do you guys think about Scythe DFS123812H-3000 Ultra Kaze 120mm x 38mm Case Fan?

I am planning to order 2 of them for S5. That Delta by RchGrav is OK maybe, but for me here in Russia that Scythe Ultra Kaze 120 mm is quite cheaper.....

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January 07, 2015, 10:54:33 AM
 #199

My S5 is mining away at a little over 1.1THs on default settings at my pool https://www.kano.is/ working fine Smiley
600W at the wall with a Seasonic 1200W Platinum

Pool: https://kano.is Here on Bitcointalk: Forum BTC: 1KanoPb8cKYqNrswjaA8cRDk4FAS9eDMLU
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Help keep Bitcoin secure by mining on pools with full block verification on all blocks - and NO empty blocks!
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January 07, 2015, 04:48:32 PM
 #200

I am working on an undervolting solution.

some info here

https://bitcointalk.org/index.php?topic=872014.msg10069844#msg10069844


the hope is it will be ready for testing in 3 weeks.

 I would get a unit to review and run an s-5 from the builder.  The builder is a forum member and well respected.

it would allow you to plug in an atx psu like the evga 1300 g2 and dial it down from 12 volts to a 11 to 7 volt range.  with only a 5% loss of efficency.

 if it works maybe 800gh at 240 watts for an s-5   maybe 800 gh at 300 watts for an s-5.

 right now the s-5 does 800 gh at 400 watts. 

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