thierry4wd
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September 12, 2018, 09:48:01 PM Last edit: September 13, 2018, 11:59:45 PM by frodocooper |
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Sorry, they talk about a good time to troubleshoot a persian scammed by a firmware ... and I have recovered for my own tests! at my risk and perils ![Wink](https://bitcointalk.org/Smileys/default/wink.gif)
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favebook
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September 15, 2018, 11:26:32 AM |
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Hi, a little bit off-topic question, but what would you rather recommend, one server PSU of like 2kw+ or 2 Bitmain PSU 1600W for powering one Antminer S9/S9i overclocked?
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Shad0wSmurf
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September 15, 2018, 04:11:26 PM Last edit: September 18, 2018, 02:04:41 AM by frodocooper |
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2x Bitmain. they normally give more than they are rated for. Been using the 890V, absolutely awesome the si one i tested for a week or so, topped it out at 15th on pool side with virtually no errors. (712) https://ibb.co/coQhpzthis is the 890. 13.5 th model. 120V, bitmain psu the hw happen in groups im assuming its a stale situation when blocks change
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favebook
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September 15, 2018, 04:24:56 PM Last edit: November 20, 2018, 03:28:02 PM by favebook |
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2x Bitmain. they normally give more than they are rated for. Been using the 890V, absolutely awesome the si one i tested for a week or so, topped it out at 15th on pool side with virtually no errors. (712) https://ibb.co/coQhpzthis is the 890. 13.5 th model. 120V, bitmain psu the hw happen in groups im assuming its a stale situation when blocks change That sounds awesome. This is what I achieved with Bitmain's firmware and no additional changes except the frequency: 1st Antminer S9 13.5TH/s: https://ibb.co/bvOGhK2nd Antminer S9 13.5TH/s: https://ibb.co/f0zBGeAntminer S9i 14TH/s: https://ibb.co/gRd5be
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Shad0wSmurf
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September 16, 2018, 01:39:16 AM Last edit: September 18, 2018, 02:05:55 AM by frodocooper |
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From what I've been noticing on my rigs, the RT asic number and the actual number relation is best when you can get all to stay within 100 of the expected. Like if it expects 5th even, and my actual is 4,990,900 or close on each board I'd leave it. Any more than that variation it's not getting enough power to it. The hw errors happen during low current situations I'm assuming from the power load, or during blocks that aren't sent to the pool in time and it has extra work rolled that leaks lower than difficulty.
Try to lower your frequency to keep the RT and Actual within 100 of each other. If you're on 8.9V go to 9v or 9.4v but remember it's more draw you can go higher if you have the amps!
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halaszlaci
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September 16, 2018, 03:32:29 PM |
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I tried custom firmware. It works perfectly so far. Thank you so much for taserz! ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) (Antminer S9i - 14TH\s)
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tim-bc
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September 16, 2018, 05:33:23 PM Last edit: September 18, 2018, 02:06:12 AM by frodocooper |
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Try to lower your frequency to keep the RT and Actual within 100 of each other. If you're on 8.9V go to 9v or 9.4v but remember it's more draw you can go higher if you have the amps!
By the Actual, are you referring to GH/s(avg) or GH/s(ideal) ?
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Ignore scammers on Skype, Telegram, etc. I will only ever contact you via forum PMs. See profile for fingerprint.
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halaszlaci
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September 16, 2018, 07:05:05 PM |
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my question would still be Taserz. On GitHub I can see that there are several versions available for example: bmminer870, bmminer880, bmminer890, bmminer910, bmminer920, bmminer930, bmminer940, bmminer9v. What are the differences between them? Currently I'm using bmminer940 at 700mhz speed. Is that right? ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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favebook
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September 17, 2018, 01:01:50 AM Last edit: November 20, 2018, 03:29:05 PM by favebook |
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From what I've been noticing on my rigs, the RT asic number and the actual number relation is best when you can get all to stay within 100 of the expected. Like if it expects 5th even, and my actual is 4,990,900 or close on each board I'd leave it. Any more than that variation it's not getting enough power to it. The hw errors happen during low current situations I'm assuming from the power load, or during blocks that aren't sent to the pool in time and it has extra work rolled that leaks lower than difficulty.
Try to lower your frequency to keep the RT and Actual within 100 of each other. If you're on 8.9V go to 9v or 9.4v but remember it's more draw you can go higher if you have the amps!
I am sorry for not clarifying what I did there. All 3 of my Antminers were using default(fixed-frequency) firmware from Bitmain without taserz's edited bmminer. However, I have now uploaded the 9v version of bmminer on to the first Antminer S9 13.5TH/s(IP 157)- I distinguish them by IP. Here below you can find my results: Non-modified 13.5TH/s with fixed frequency of 706 7h test: https://ibb.co/fQRBmeTaserz's 9Volt Rocket Ship bmminer9v 13.5TH/s with fixed frequency of 706 10min test: https://ibb.co/jNLbKz 14h test: https://ibb.co/cCwVgeThank you a lot @taserz
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dutchlincoln
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September 17, 2018, 03:33:16 AM Last edit: September 18, 2018, 02:08:42 AM by frodocooper |
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![](https://ip.bitcointalk.org/?u=http%3A%2F%2Fi63.tinypic.com%2Fe1alpi.png&t=665&c=GBuKzXoTpRfPAQ) i have them running for a few weeks now. So far so good. both S9 13.5TH with APW5++ 1600W psu.
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taserz (OP)
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September 18, 2018, 08:34:49 PM |
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From what I've been noticing on my rigs, the RT asic number and the actual number relation is best when you can get all to stay within 100 of the expected. Like if it expects 5th even, and my actual is 4,990,900 or close on each board I'd leave it. Any more than that variation it's not getting enough power to it. The hw errors happen during low current situations I'm assuming from the power load, or during blocks that aren't sent to the pool in time and it has extra work rolled that leaks lower than difficulty.
Try to lower your frequency to keep the RT and Actual within 100 of each other. If you're on 8.9V go to 9v or 9.4v but remember it's more draw you can go higher if you have the amps!
I agree as this is what I have been realizing and trying to GR and average the same seems to be the key and if you have to little power you will get HW errors more often than the random ones.
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taserz (OP)
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September 18, 2018, 08:36:00 PM Last edit: September 18, 2018, 11:27:44 PM by frodocooper |
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my question would still be Taserz. On GitHub I can see that there are several versions available for example: bmminer870, bmminer880, bmminer890, bmminer910, bmminer920, bmminer930, bmminer940, bmminer9v. What are the differences between them? Currently I'm using bmminer940 at 700mhz speed. Is that right? ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) The differences is the power draw. 8.7v 8.8v 8.9v etc etc I would stick with 880 890 or 900 to play it safe. I am sorry for not clarifying what I did there. All 3 of my Antminers were using default(fixed-frequency) firmware from Bitmain without taserz's edited bmminer. However, I have now uploaded the 9v version of bmminer on to the first Antminer S9 13.5TH/s(IP 157)- I distinguish them by IP. Here below you can find my results: Non-modified 13.5TH/s with fixed frequency of 706 7h test: https://ibb.co/fQRBmeTaserz's 9Volt Rocket Ship bmminer9v 13.5TH/s with fixed frequency of 706 10min test: https://ibb.co/jNLbKz 14h test: https://ibb.co/cCwVgeI am sharing this as a proof that it is actually working better with custom bmminer and I because I am just too happy about it(that is why I couldn't wait for more than 10min to test). Will upload a picture with longer test time soon. ![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif) Thank you a lot @taserz You are very welcome. Also, it appears my s9i running at 19gh/s might be a bit sick ![Sad](https://bitcointalk.org/Smileys/default/sad.gif) It appears one of the hashboards shit the bed. I am going to contact my hosting provider to power cycle it for me. Otherwise, we will see how undetected this mod is and if they will warranty it if I revert it to stock haha.
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Andartis
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September 18, 2018, 11:44:43 PM |
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Hi, is it correct, that stock voltage of fixed frequency firmware is 940?
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taserz (OP)
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September 19, 2018, 07:20:42 AM |
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Hi, is it correct, that stock voltage of fixed frequency firmware is 940?
880 or 870
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m3hm3t
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September 19, 2018, 02:06:36 PM |
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I didn't understand exactly how to install.Can you make a video tutorial please?
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Andartis
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September 19, 2018, 02:53:15 PM |
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Hi again,
I tried the 880 on a S9 14TH that worked with the fixed FW 650. Can you explain please what the differences are between 650 fixed FW and 880 and 870 FW? With 880 I dont see a big difference. But I used the mod on a machine that already did not show temps over 100° with fixed fw. So I am just cuious. Since I have a 1600W PSU, I dont want to overextent. It runs @ 16TH @ 1690W
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Shad0wSmurf
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September 20, 2018, 11:26:51 AM Last edit: September 20, 2018, 07:33:56 PM by frodocooper |
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880 or 870
Taserz, my fw actually is stock(13.5th) set to 940v
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taserz (OP)
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September 20, 2018, 07:45:40 PM Last edit: September 20, 2018, 07:52:24 PM by frodocooper |
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Taserz, my fw actually is stock(13.5th) set to 940v
940 is the max auto tune will use but it will never actually auto tune anywhere near that
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x3aklili
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September 20, 2018, 08:30:30 PM |
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teserz please give me best bmminer for t9+ with 1800WPSU
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Andartis
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September 20, 2018, 08:51:59 PM Merited by frodocooper (1) |
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So my observations so far with 13.0, 13.5 and 14TH S9 from different batches with AWP3+ PSU are, that using bmminer880 with 750 - 775 MHz freq. gives me 15.5-16.0 TH and draws about 1700W from the 1600W PSU. But it works stable. Using bmminer870 with 750-775MHz gives me more HW errors and draws only about 50W less power. Temps are about 2°C lower. But the hashrate seems also a bit decreased. Maybe due to the HW errors.
Thanks taserz for your work.
Any way to also enable the hidden settings on the minerAdvanced page?
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