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Author Topic: Bitmain's Released Antminer S9, World's First 16nm Miner Ready to Order  (Read 528942 times)
wmabern
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July 18, 2016, 10:49:03 PM
Last edit: July 18, 2016, 11:27:59 PM by wmabern
 #1561

There HAS GOT to be a good way to shut up that SIREN sound on the S9 11.85!!!

I have read on here about loosening screws, tightening screws, and putting some paper on the intake to partially block air flow. There may be other suggestions that I missed as I haven't read every page.

Well, I have tried loosening and tightening without any effect.

Putting a piece of cardboard to partially block the intake works, but, of course, raises the temperatures.

I have also set the fan speed manually to 87%. But if I take that cardboard away, the siren starts back up.

I'm concerned the neighbors are going to complain if I don't shut up that noise because their front porch faces the windows that I'm drawing air in from. And I really don't WANT to obstruct air flow as I've had to down-clock a lot to keep it cool enough.

Any other thoughts on that noise? Would switching out one or both fans have any effect?
Good Lord that is an abrasive sound!!!!

Thanks for any more thoughts on this annoying and irritating problem!! Smiley

EDIT: Does the foam AC filter trick work well? Are you covering the whole intake or just the part that will stop the squeal?
Hell, I'll cut a piece off of an AC I'm not using right now. Thanks!!

EDIT2: Well putting an AC filter over the intake didn't stop the squeal. BUT, I found that taping a small piece of cardboard on the top right corner of the out-take fan did stop the noise. The noise has stopped but I'm not too keen on having flammable cardboard in that hot zone. I have to find a replacement material. It's also keeping the temps higher than I would like even with it under-clocked.

Still seeking a good solution.  Undecided

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July 18, 2016, 11:23:37 PM
 #1562

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.
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July 19, 2016, 12:57:33 AM
 #1563

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

Thanks for the ideas, but I'm not to the point of removing the case.

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July 19, 2016, 01:54:04 AM
 #1564

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

The case serves a cooling function too - directs airflow and probably dissipates heat as well. I would be very careful with a mod like that. Among other issues you'd likely have hot air getting mixed back into intake.

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July 19, 2016, 02:05:43 AM
 #1565

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

Thanks for the ideas, but I'm not to the point of removing the case.



down clock it some more. and lower fans to 50%

Try freq 475  with a 45% fan   it will give about 9.5 to 9.9th

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July 19, 2016, 02:20:17 AM
 #1566

Anyone seen a link for the source code?

It's now been about a month and the code should be available by now, otherwise they're ignoring the cgminer license ...

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July 19, 2016, 02:48:27 AM
 #1567

Anyone seen a link for the source code?

It's now been about a month and the code should be available by now, otherwise they're ignoring the cgminer license ...

Yeah it would   be cool if you could take them to a court and take a few million in Aus dollars from them.
 
Even 5 bucks for every s-1, s-3, s-4, s-5, s-7, s-9 they ever built would be nice .

One consultation is if there is life after death and a spiritual settlement they will owe you and ck quite a bit. <


  Not sarcasm it just is more likely to happen then getting the money owed you in this life.



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July 19, 2016, 02:55:37 AM
 #1568

Anyone seen a link for the source code?

It's now been about a month and the code should be available by now, otherwise they're ignoring the cgminer license ...

It would appear that by renaming it to "bmminer" they intend to pretend that it's not cgminer at all...

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July 19, 2016, 04:12:25 AM
 #1569

There HAS GOT to be a good way to shut up that SIREN sound on the S9 11.85!!!

I have read on here about loosening screws, tightening screws, and putting some paper on the intake to partially block air flow. There may be other suggestions that I missed as I haven't read every page.

Well, I have tried loosening and tightening without any effect.

Putting a piece of cardboard to partially block the intake works, but, of course, raises the temperatures.

I have also set the fan speed manually to 87%. But if I take that cardboard away, the siren starts back up.

I'm concerned the neighbors are going to complain if I don't shut up that noise because their front porch faces the windows that I'm drawing air in from. And I really don't WANT to obstruct air flow as I've had to down-clock a lot to keep it cool enough.

Any other thoughts on that noise? Would switching out one or both fans have any effect?
Good Lord that is an abrasive sound!!!!

Thanks for any more thoughts on this annoying and irritating problem!! Smiley

EDIT: Does the foam AC filter trick work well? Are you covering the whole intake or just the part that will stop the squeal?
Hell, I'll cut a piece off of an AC I'm not using right now. Thanks!!

EDIT2: Well putting an AC filter over the intake didn't stop the squeal. BUT, I found that taping a small piece of cardboard on the top right corner of the out-take fan did stop the noise. The noise has stopped but I'm not too keen on having flammable cardboard in that hot zone. I have to find a replacement material. It's also keeping the temps higher than I would like even with it under-clocked.

Still seeking a good solution.  Undecided

Snapped a pic for you, this at least is what worked for me. Completely eliminated that soul-wrenching whine up until it hits max RPM, at which point you would still hear it a bit if it wasn't in the enclosure.



It takes both that little piece of duct tape, and the furnace filter over the fan to dampen it completely. Really hasn't seemed to affect the temp much if it all, it runs noticeably cooler than my S7's in the same enclosure.

There's always a chance that the fan may be particularly bad, worth sending an email to Bitmain to try and get a replacement out of them although I wouldn't hold my breath on that one.

Also found they finally added the F1 fans for purchase: https://shop.bitmain.com/productDetail.htm?pid=00020160427064355841K5mkl8F70673

If it's that bad you may have to break down and roll the dice on another fan, at least they're not too expensive.

EDIT: Forgot to add link for the furnace filter: http://www.rona.ca/en/furnace-filter-02095249--1

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wmabern
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July 19, 2016, 04:30:42 AM
 #1570

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

Thanks for the ideas, but I'm not to the point of removing the case.



down clock it some more. and lower fans to 50%

Try freq 475  with a 45% fan   it will give about 9.5 to 9.9th

Well I was running at 518 during the hottest part of the today (mid 90's F) and had the fan at 87% then bumped to 90% The siren was still there at either speed. The temps were acceptable between 90-94 for the chips. It's now midnight with out-outdoor air temps around 69.

I have bumped the freq back to 550 (default for this batch) and the chip temps are between 83-86.

It's running around 11.55TH which is acceptable.

Thanks for the suggestion, but I'll be damned if I'm going to run it that low (475) to make it run without a siren. I bought it to increase my hash as close to 12TH or more as I could get.
For now the little piece of cardboard I have taped to the top right quadrant of the out-take fan has stopped the noise.

My 12.93 batches don't make the siren sound, FWIW.

Seems like that was something Bmain should have fixed at the factory. But considering their apparent lack of caring about certain things, I'm not surprised.

Thanks for your suggestion. Tomorrow I'm going to cut a small square piece of mental to affix to the out take fan. And pray for cooler weather. LOL  Shocked

Also, when it's out of warranty and the overall day/night temps are cooler , I'm going to bump the freq on that one to 587-600 and see how it behaves. Judging by the chip temps now with out door temps in the high 60's, it should run fine come fall/winter at the higher freqs.

Again, thanks for the replies.

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July 19, 2016, 04:49:21 AM
 #1571

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

The case serves a cooling function too - directs airflow and probably dissipates heat as well. I would be very careful with a mod like that. Among other issues you'd likely have hot air getting mixed back into intake.

I posted this earlier in the thread, but I think it got lost in the excitement of new S9s. With the original S1s, there was a mod that worked quite nicely.  You could take them apart and put a 200mm fan on each blade to cool them effectively but silently:

https://imgur.com/a/RUAX5

I did this with my old S1, and it worked amazingly. The miner ran at full speed, with a better temp than the factory fans, and it was totally silent unless you were standing right next to the fans. I'm going to wait another month or so until my warranty expires, then I'm going to try the same thing with my S9. Particularly with the thermal throttling built into the S9s that protects them from overheating, I'm confident this will make for a better mining experience. My only concern is finding another "base" for the third module in the S9s.

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July 19, 2016, 09:34:15 AM
 #1572

Quote
S9's firmware package with bmminer's binary application file is in preparing, Need get some files from ALTERA FPGA's project. We will upload the sdk of S9 which can be used to create S9's firmware package. The estimation time is about next week.

Please feel free to contact us if there is any question.

Best regards,
Andy
Bitmain
I got a response back from their support department, looks like they should be uploading the S9 firmware SDK next week.
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July 19, 2016, 09:47:28 AM
Merited by gmaxwell (20)
 #1573

Quote
S9's firmware package with bmminer's binary application file is in preparing, Need get some files from ALTERA FPGA's project. We will upload the sdk of S9 which can be used to create S9's firmware package. The estimation time is about next week.

Please feel free to contact us if there is any question.

Best regards,
Andy
Bitmain
I got a response back from their support department, looks like they should be uploading the S9 firmware SDK next week.
Too late.
They've exceeded the license requirements.

I have this tid bit of information about what they have done.
http://kano.is/BMMMP63278.pdf

I guess the fact that they have ignored a patent isn't unexpected ... though personally I'm certainly not a fan of patents Tongue

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July 19, 2016, 09:50:48 AM
 #1574

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

The case serves a cooling function too - directs airflow and probably dissipates heat as well. I would be very careful with a mod like that. Among other issues you'd likely have hot air getting mixed back into intake.

I posted this earlier in the thread, but I think it got lost in the excitement of new S9s. With the original S1s, there was a mod that worked quite nicely.  You could take them apart and put a 200mm fan on each blade to cool them effectively but silently:

https://imgur.com/a/RUAX5

I did this with my old S1, and it worked amazingly. The miner ran at full speed, with a better temp than the factory fans, and it was totally silent unless you were standing right next to the fans. I'm going to wait another month or so until my warranty expires, then I'm going to try the same thing with my S9. Particularly with the thermal throttling built into the S9s that protects them from overheating, I'm confident this will make for a better mining experience. My only concern is finding another "base" for the third module in the S9s.

Hey thank you! This looks really exciting. I'm going to try this with mine. The sound is really issue for me. Will report how it works when finished.
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July 19, 2016, 12:14:35 PM
 #1575

On the S9 controller there is two fan connectors but the board have place for 6 others fans connectors.

Do you know if these connectors placeholder receive power? If yes would it be possible to add fan connectors.

Here is an idea for a quieter miner. Remove the case and have 2 fans pointing directly at each blade sideways. So the fans would be pointing directly over the heatsink. With this setup I'm sure it would be possible to use lower cfm fans (quieter). 6 quiet fans is a lot better than 2 jet engines. Anyone tried this?

If the controller cannot power more than 2 fans it is possible to use a 1-to-3 splitter to power 3 fans per connector.

The case serves a cooling function too - directs airflow and probably dissipates heat as well. I would be very careful with a mod like that. Among other issues you'd likely have hot air getting mixed back into intake.

I posted this earlier in the thread, but I think it got lost in the excitement of new S9s. With the original S1s, there was a mod that worked quite nicely.  You could take them apart and put a 200mm fan on each blade to cool them effectively but silently:

https://imgur.com/a/RUAX5

I did this with my old S1, and it worked amazingly. The miner ran at full speed, with a better temp than the factory fans, and it was totally silent unless you were standing right next to the fans. I'm going to wait another month or so until my warranty expires, then I'm going to try the same thing with my S9. Particularly with the thermal throttling built into the S9s that protects them from overheating, I'm confident this will make for a better mining experience. My only concern is finding another "base" for the third module in the S9s.

Hey thank you! This looks really exciting. I'm going to try this with mine. The sound is really issue for me. Will report how it works when finished.

won't work.  360 watts s-1 vs 1400 watts s-7  do not fuck with the fans via replacement.

 downclock to freq 475 and lower fan speed to 40-50%.  I did extensive testing it is the easiest solution.

downclock results
https://bitcointalk.org/index.php?topic=1534854.msg15456266#msg15456266

the thread below is what I did in the winter with s-7s and avalon 6's
https://bitcointalk.org/index.php?topic=1544787.msg15528182#msg15528182

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July 19, 2016, 01:07:15 PM
 #1576

Quote
S9's firmware package with bmminer's binary application file is in preparing, Need get some files from ALTERA FPGA's project. We will upload the sdk of S9 which can be used to create S9's firmware package. The estimation time is about next week.

Please feel free to contact us if there is any question.

Best regards,
Andy
Bitmain
I got a response back from their support department, looks like they should be uploading the S9 firmware SDK next week.
Too late.
They've exceeded the license requirements.

I have this tid bit of information about what they have done.
http://kano.is/BMMMP63278.pdf

I guess the fact that they have ignored a patent isn't unexpected ... though personally I'm certainly not a fan of patents Tongue

Do you mean, that the S9 is using the patent-pending ASIC boost method?
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July 19, 2016, 01:10:32 PM
 #1577


I posted this earlier in the thread, but I think it got lost in the excitement of new S9s. With the original S1s, there was a mod that worked quite nicely.  You could take them apart and put a 200mm fan on each blade to cool them effectively but silently:

https://imgur.com/a/RUAX5

I did this with my old S1, and it worked amazingly. The miner ran at full speed, with a better temp than the factory fans, and it was totally silent unless you were standing right next to the fans. I'm going to wait another month or so until my warranty expires, then I'm going to try the same thing with my S9. Particularly with the thermal throttling built into the S9s that protects them from overheating, I'm confident this will make for a better mining experience. My only concern is finding another "base" for the third module in the S9s.


Beautiful and colorful.
But we no longer live in the era of S1 and S3
It certainly does not work with S5+ , S7 and S9

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July 19, 2016, 02:49:25 PM
 #1578

Anyone seen a link for the source code?

It's now been about a month and the code should be available by now, otherwise they're ignoring the cgminer license ...

It would appear that by renaming it to "bmminer" they intend to pretend that it's not cgminer at all...

And they are pretending. When I ran 'strings' on bmminer it was clear that in fact is cgminer, maybe with slight modifications.

If they haven't provided the source, they are in breach of the GPLv3. Not that any of us is likely to spend our time and money to go after them.

Maybe the FSF would be interested. Seems like Bitcoin as a concept is generally in line with the ideals behind the FSF.

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July 19, 2016, 04:03:26 PM
 #1579

won't work.  360 watts s-1 vs 1400 watts s-7  do not fuck with the fans via replacement.

 downclock to freq 475 and lower fan speed to 40-50%.  I did extensive testing it is the easiest solution.

downclock results
https://bitcointalk.org/index.php?topic=1534854.msg15456266#msg15456266

the thread below is what I did in the winter with s-7s and avalon 6's
https://bitcointalk.org/index.php?topic=1544787.msg15528182#msg15528182

For now, downclocking is indeed what I've done. With my batch 1 S9, I have it set at 556 with 40% fan, and it runs about 5 degrees hotter than yours at a steady 11.9GH/s, rarely edging up towards 12GH/s. It's still noisier than I'd like, but it's tolerable at that level.

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July 19, 2016, 05:50:35 PM
 #1580

Bitmain,

Can you guarantee that no spy code/ wormhole is mixed with the BMminer ? Why on earth do you not provide SDK for us to check our self what is hidden in the source code..
For me it sounds like its a modified CGminer since you do not provide the needed info.
 

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