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Author Topic: New firmware for antminer S9 - less power consumption  (Read 9265 times)
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October 22, 2018, 01:00:51 PM
Merited by suchmoon (4), Daniel91 (1), raske (1)
 #1

Really interesting news for everyone that owns Antminer S9 ASIC miners and other Bitmain BM1387-based models like the Antminer R4, S9i, S9j, T9 and T9+.

Bitmain has officially released a firmware to activate the so called “Overt AsicBoost” for Antminer S9 Bitcoin ASIC miners and will have the firmware for Antminer R4, S9i, S9j, T9 and T9+ within a week as well.

This comes just a few days after the announcement that Braiins OS might actually bring users support for Overt AsicBoost. According to Braiins the activation of the “Overt AsicBoost” functionality on S9 can bring down the power consumption by about 13% which is more than welcome at the current market situation for any miner using Antminer S9 Bitcoin ASICs.

https://blog.bitmain.com/en/new-firmware-activate-overt-asicboost-bm1387-antminer-models/

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October 22, 2018, 03:44:08 PM
Last edit: October 22, 2018, 11:17:05 PM by frodocooper
 #2

About time huh?
Good way for them to clear out their old inventory now and why they stopped dropping pricing perhaps.
I have one machine testing it out, so far so good.
It also seems their antpool went offline and is having a lot of rejects as of 10 hours ago or so.

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October 22, 2018, 04:17:53 PM
 #3

New firmware seems to be not compatible with Slush pool (I assume asicboost braiin != asicboost bitmain). Everything gets rejected by Slush with new Bitmain firmware. Will try with Antpool.

Has anyone measured actual power consumption usage with the new fw.?
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October 22, 2018, 05:05:09 PM
 #4

New firmware seems to be not compatible with Slush pool (I assume asicboost braiin != asicboost bitmain). Everything gets rejected by Slush with new Bitmain firmware. Will try with Antpool.

Has anyone measured actual power consumption usage with the new fw.?

On my S9 13.5 Th consumption decreased by 200 watts
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October 22, 2018, 05:41:48 PM
Last edit: October 22, 2018, 11:17:59 PM by frodocooper
 #5

Here are my findings. See images.
I only tested 3 machines all s9s.
All produced similar savings.
12 times (111.7 A- 109.2 A)=30W savings per machine
or in % 2.2% savings

https://imgur.com/a/7z47inN
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October 22, 2018, 06:16:28 PM
Last edit: October 22, 2018, 11:21:20 PM by frodocooper
Merited by suchmoon (4)
 #6

Tested a 14TH S9 that was received a year ago.

Before stats:



After stats:



Items of note:

All cards are running at exactly the same auto-frequency.
Power is down a lot, almost 15%.
Chips are running a bit cooler, fans are running a bit slower
This puts the "At-the-way" power efficiency of S9s at 0.088j/GH
This is with LPM Checked - although the checkbox doesn't appear to do anything
For those preferring fixed-frequency, the minerAdvanced.cgi non-menu page is still there, but only appears to set the top speed for auto-searching.
(However, any fixed frequency values previously specified are carried over, and often appear to be modifiable without reverting to auto-freq)
(5) of (119) miners had problems upgrading, likely due to having older controller cards.

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October 22, 2018, 06:21:38 PM
 #7

1 Amp down helps....and looks like similar TH output!
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October 22, 2018, 06:43:41 PM
 #8

I can also confirm that all shares are rejected at slushpool with or without LPM checked.  I have also seen that bmminer has been modified with this LPM update.

For those that are doing power and hashrate analysis, is this with or without LPM checked?  I'm trying to determine if you are getting more hashrate with less power while in low power mode.  Also, if someone can do analysis with and without LPM checked that would be helpful.
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October 22, 2018, 06:52:13 PM
Last edit: October 22, 2018, 07:17:22 PM by ccgllc
 #9

I can also confirm that all shares are rejected at slushpool with or without LPM checked.  I have also seen that bmminer has been modified with this LPM update.

For those that are doing power and hashrate analysis, is this with or without LPM checked?  I'm trying to determine if you are getting more hashrate with less power while in low power mode.  Also, if someone can do analysis with and without LPM checked that would be helpful.

With (and I've updated the post to reflect that).  About to try without and see what happens.

Update:  Toggling the LPM checkbox and applying appeared to have no impact.  e.g.  Power and performance stayed the same.  Power cycling now to see if that changes things.

Update2:  Power usage is identical with and without the LPM button being selected.  Might be normal statistical variations, but performance might be SLIGHTLY (like 75GH) faster with it selected.  Running a few more cycles of the test to be sure.

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October 22, 2018, 07:36:50 PM
Last edit: October 22, 2018, 11:23:12 PM by frodocooper
 #10

NOTE:   ASICBoost FW is not compliant with the BIP310 standard, thus incompatible (for now) with pools other than the Bitmain owned/controlled pools.  So, until the other pools adopt compatibility, all this does is make the Bitmain...not Bitcoin...network stronger.

I refuse to use Bitmain controlled pools, so it's a "no go" for me until broad adoption.  That shouldn't be long, however.
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October 22, 2018, 07:45:57 PM
Last edit: October 22, 2018, 11:23:28 PM by frodocooper
 #11

NOTE:   ASICBoost is not compliant with the BIP310 standard, thus incompatible (for now) with pools other than the Bitmain owned/controlled pools.  So, until the other pools adopt compatibility, all this does is make the Bitmain...not Bitcoin...network stronger.

I refuse to use Bitmain controlled pools, so it's a "no go" for me until broad adoption.  That shouldn't be long, however.

Not sure what drugs you been smoking, or who told you that, but that's not correct.

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October 22, 2018, 08:20:30 PM
Last edit: October 22, 2018, 11:24:09 PM by frodocooper
 #12

Then don't take my word for it...yet...

FROM SLUSHPOOL NEWS ANNOUNCEMENT:

Quote from: Slush Pool
Attention miners: DON'T UPGRADE your S9 devices with the new Bitmain firmware

Dear Miners,
we strongly recommend you DON'T UPGRADE your S9 devices with the new Bitmain firmware Antminer-S9-LPM-20181022. It is not compatible with BIP310 standard and as a result also not compatible with Slush Pool. We are working hard on providing our own fix asap and will keep you posted.

Your Slush Pool
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October 22, 2018, 08:24:39 PM
Last edit: October 22, 2018, 11:24:28 PM by frodocooper
 #13

NOTE:   ASICBoost is not compliant with the BIP310 standard, thus incompatible (for now) with pools other than the Bitmain owned/controlled pools.  So, until the other pools adopt compatibility, all this does is make the Bitmain...not Bitcoin...network stronger.

I refuse to use Bitmain controlled pools, so it's a "no go" for me until broad adoption.  That shouldn't be long, however.

Maybe incompatible on Slushpool, but working fine on Kano (www.kano.is).

Come on over and enjoy the 15% power savings and quieter mining.

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October 22, 2018, 08:41:46 PM
 #14

Come on over and enjoy the 15% power savings and quieter mining.

Already working on overclocking this new quieter and more efficient one to remove that quiet aspect and increase hashrate. S9 vacuum cleaner being built as we speak

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October 22, 2018, 08:56:00 PM
Last edit: October 22, 2018, 11:25:25 PM by frodocooper
 #15

Already working on overclocking this new quieter and more efficient one to remove that quiet aspect and increase hashrate. S9 vacuum cleaner being built as we speak

Been there already <smile>:



Unit pulled 1405 watts at that setting with the new firmware.  Obviously it clocks fine, but other things must be changed to achive the full speed.  Of course, power efficiency is not as good.

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October 22, 2018, 10:22:31 PM
Last edit: October 22, 2018, 11:26:09 PM by frodocooper
 #16

Maybe incompatible on Slushpool, but working fine on Kano (www.kano.is).

Come on over and enjoy the 15% power savings and quieter mining.

Perhaps, but that still doesn't make Bitmain's FW (or your pool) right/correct or protocol compliant...  

Want more info on WHY it's not compliant:
https://www.youtube.com/watch?v=fyp28koBxMg

Skip to 23:45 for specific protocol/pool compliance information.
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October 22, 2018, 10:31:19 PM
Last edit: October 22, 2018, 11:26:42 PM by frodocooper
 #17

Perhaps, but that still doesn't make Bitmain's FW (or your pool) right/correct or protocol compliant...  

Want more info on WHY it's not compliant:
https://www.youtube.com/watch?v=fyp28koBxMg

Skip to 23:45 for specific protocol/pool compliance information.

Compliant as defined by Slush? Bitcoin is open source - "Compliant" just means the majority of people support it. Otherwise its just another Proposal... you know? The "P" in "BIP"???

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October 23, 2018, 01:42:23 AM
 #18

Working on ck's pool.

I haven't measured draw but my s9 is running cooler temps than before. I was getting over 13.7th prior and since have slowly dropped to 13.6th with no changes last hour. Everything is stock except fan speed is a static to 90%.

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October 23, 2018, 01:51:05 AM
 #19

I thought ASIC BOOST was supposed to give increased pool side hash rate?
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October 23, 2018, 02:19:37 AM
Last edit: October 23, 2018, 09:54:08 AM by frodocooper
 #20

Compliant as defined by Slush? Bitcoin is open source - "Compliant" just means the majority of people support it. Otherwise its just another Proposal... you know? The "P" in "BIP" Huh

Ah...looked up BIP310 specs...authored by Slush devs (Braiins).  I get it.  Thought it was an established protocol, not just one they had been using.

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