in2tactics
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May 22, 2017, 01:32:23 AM |
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... Edit - eye candy of I think my 1st portable mp3 player... ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2F253r4Isl.jpg&t=665&c=rwYi30zytWVprQ) Took the pic a few days ago, still works and still love the USB-stick setup of it. My current 'lil Sansa with it's 32GB sd card may be smaller/lighter but still gotta love this. Good design there. Nice! Unfortunately, my last Creative Labs MP3 player was stolen. UGH I loved that design. In fact it gave rise to a project called Lego. The idea was simple. Different bricks snap together lego style. Alas it never shipped. It sounds similar to the phonebloks concept. https://phonebloks.com/development
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Current HW: 2x Apollo, 2x Apollo BTC, 2x Apollo II Retired HW: 3x 2PAC, 3x Moonlander 2, 2x AntMiner S7-LN, 5x AntMiner U1, 2x ASICMiner Block Erupter Cube, 4x AntMiner S3, 4x AntMiner S1, GAW Black Widow, and ZeusMiner Thunder X6
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PeaMine
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May 25, 2017, 02:07:27 PM |
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Anyone having issues ordering manually? I get Bad Gateway when I try to checkout. Got a ticket open for it but haven't heard back in a day.
I have another ticket asking about the voltage offset setting, as I don't want to edit it without them letting me know it's okay, but it's been almost a week on that one.
Having 2 units that are overheating every few minutes in 29C ambient. All the others running perfect and above spec, sometimes hitting over 8TH. 0 failed chips so far that I know of.
To compare I only have 2 S9s left with all working boards, both the later batches which is unique; that's pitiful from Antminer. Stacks of bad boards from the S7 as well, mostly the 700Mhz ones. Early batches never had an issue and still running 5TH, but they were a premium and a gamble back then.
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Datacenter Technician and Electrician. If you have any questions feel free to ask me as I am generally bored looking at logs and happy to help during free time.
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NotFuzzyWarm
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Evil beware: We have waffles!
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May 26, 2017, 03:45:08 AM Last edit: May 26, 2017, 03:56:44 AM by NotFuzzyWarm |
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When warmer weather arrived I had to drop my 741's to use -2 for the voltage setting for the same reason, kept throttling up and down trying to keep cool. Using -2 now are quite happy and actually just a minor hit to speed. The 3x 721's so far are perfectly happy at default voltage setting.
re: dead s7/s9 boards, you might want to look at where the miners are running... At one time I was running 24 s7's and think only lost 3 boards in total. Most are now retired and replaced with 16 s9's from batch-1 on up and 4 t9's (so far). Only recently had my 3rd bad s9 board, currently at Bitmain Warranty in CO for paid repair - is from a batch-13. Ambient will hit up to 90F but is a clean area with no dirt/dust. Definitely have had several fans die of old-age as well but that is to be expected from any miner.
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PeaMine
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May 26, 2017, 03:28:26 PM Last edit: May 31, 2017, 07:49:17 AM by PeaMine |
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When warmer weather arrived I had to drop my 741's to use -2 for the voltage setting for the same reason, kept throttling up and down trying to keep cool. Using -2 now are quite happy and actually just a minor hit to speed. The 3x 721's so far are perfectly happy at default voltage setting.
re: dead s7/s9 boards, you might want to look at where the miners are running... At one time I was running 24 s7's and think only lost 3 boards in total. Most are now retired and replaced with 16 s9's from batch-1 on up and 4 t9's (so far). Only recently had my 3rd bad s9 board, currently at Bitmain Warranty in CO for paid repair - is from a batch-13. Ambient will hit up to 90F but is a clean area with no dirt/dust. Definitely have had several fans die of old-age as well but that is to be expected from any miner.
Edit: They shipped it, tracking number just wasn't correct. Anyone ordered from them? I can't seem to get a hold of them for over a week for orders. Thanks! That worked great, it dropped the hash down to normal speeds, but the temps were low enough to keep the fans under 100% easy. Right now I've got a paid order with them I'm waiting a few days on an update for, and support hasn't replied back in a week. They use to be so fast at shipping and replying, something must be going on right now.
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Datacenter Technician and Electrician. If you have any questions feel free to ask me as I am generally bored looking at logs and happy to help during free time.
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SMB-2525
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May 31, 2017, 10:55:48 PM |
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How loud is the 741 compared to the S3?
I retired my S3s last year and got out of mining for a while. Now I am considering investing some of my BTC in a new mining rig. I'm in a 2 bedroom apartment with electricity included and I have a 20 amp circuit I can put a miner or two on it. Not going to quit my day job, but my little pile of BTC from my last effort looks pretty darn good now.
TIA
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PeaMine
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June 01, 2017, 02:20:55 AM |
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How loud is the 741 compared to the S3?
I retired my S3s last year and got out of mining for a while. Now I am considering investing some of my BTC in a new mining rig. I'm in a 2 bedroom apartment with electricity included and I have a 20 amp circuit I can put a miner or two on it. Not going to quit my day job, but my little pile of BTC from my last effort looks pretty darn good now.
TIA
With -2 voltage offset and a cold environment you can get it quiet. That's before replacing the fan, compared to an S3 stock.
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Datacenter Technician and Electrician. If you have any questions feel free to ask me as I am generally bored looking at logs and happy to help during free time.
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Liquid71
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June 05, 2017, 09:11:28 AM |
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How loud is the 741 compared to the S3?
I retired my S3s last year and got out of mining for a while. Now I am considering investing some of my BTC in a new mining rig. I'm in a 2 bedroom apartment with electricity included and I have a 20 amp circuit I can put a miner or two on it. Not going to quit my day job, but my little pile of BTC from my last effort looks pretty darn good now.
TIA
It's louder but not horribly louder. I'd say start with one and if the noise doesn't bother you get a second one. You could always get hosting for it if it's too loud for you.
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Liquid71
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June 07, 2017, 03:05:36 AM |
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Avalon please make a miner similar to the Bitmain R4 for home miners. I much more so prefer your miners to Bitmain but during winter months it'd be great to have miners at home for heat.
Another request partner with Giga Watt for miner hosting. I'm sending them your miners to host but I had to contact them and set it up, it would be great if it was listed on their website and I could just order it direct through them with hosting.
Home miner still my biggest request, love to heat my home this winter with a quit Avalon miner while I remotely monitor rest of my loud miners at Giga Watt
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ZedZedNova
Sr. Member
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June 07, 2017, 04:16:38 AM |
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Another request partner with Giga Watt for miner hosting. I'm sending them your miners to host but I had to contact them and set it up, it would be great if it was listed on their website and I could just order it direct through them with hosting.
Heh, I contacted Giga-Watt shortly after the start of the WTT ICO and asked them if they were considering Avalon miners instead of/in addition to the Bitmain models. They responded within 24 hours and said that they were considering it, but needed to evaluate the miners.
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No mining at the moment.
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Liquid71
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June 07, 2017, 06:13:05 AM |
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Another request partner with Giga Watt for miner hosting. I'm sending them your miners to host but I had to contact them and set it up, it would be great if it was listed on their website and I could just order it direct through them with hosting.
Heh, I contacted Giga-Watt shortly after the start of the WTT ICO and asked them if they were considering Avalon miners instead of/in addition to the Bitmain models. They responded within 24 hours and said that they were considering it, but needed to evaluate the miners. Awesome!
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Duce
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June 10, 2017, 09:48:01 PM |
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For those that have updated their 741's to 7411703-a6ef750 MM Firmware, how many resets are your miners doing in a day? I have already had 4 and it has not been 24 hours yet. I have updated the controller firmware as well to 20170310. I did add --avalon7-nonce-mask 26 to more options after the first two resets so it seems to ramp up quickly compared to the initial restarts.
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HagssFIN
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Electrical engineer. Mining since 2014.
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June 11, 2017, 03:31:39 PM Last edit: June 11, 2017, 05:14:35 PM by HagssFIN |
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I just noticed that we can probably expect a new AvalonMiner model, AvalonMiner 761 sooner or later. There is already code for it in Canaan's cgminer github https://github.com/Canaan-Creative/cgminer/blob/master/driver-avalon7.cFor example: *snip*
struct avalon7_dev_description avalon7_dev_table[] = { { "711", 711, 4, 18, AVA7_MM711_VIN_ADC_RATIO, AVA7_MM711_VOUT_ADC_RATIO, 4981 }, { "721", 721, 4, 18, AVA7_MM721_VIN_ADC_RATIO, AVA7_MM721_VOUT_ADC_RATIO, 4981 }, { "741", 741, 4, 22, AVA7_MM741_VIN_ADC_RATIO, AVA7_MM741_VOUT_ADC_RATIO, 4825, }, { "761", 761, 4, 26, AVA7_MM761_VIN_ADC_RATIO, AVA7_MM761_VOUT_ADC_RATIO, 4825, } };
*snip*
edit:AvalonMiner 761 support was added four days ago in June 7, 2017 according to this change log https://github.com/ckolivas/cgminer/compare/master...Canaan-Creative:master
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ZedZedNova
Sr. Member
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June 11, 2017, 07:26:28 PM |
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based on that info, it looks like Canaan has new hashing boards, each with 26 x A3212 16 nm chips on them, so 104 A3212 chips total. Here's a crappy attempt to guess the 761 hash rate and power use. This guesstimate is based on 741 numbers. https://canaan.io/product/avalonminer-741/ Hashing: 741: 7,300 GH/88 chips = 82.96 GH/chip 761: 82.96 GH/chip * 104 chips = 8,627 GH
Power Use (low end): 741: 1,150 W/88 chips = 13.07 W/chip 761: 13.07 W/chip * 104 chips = 1,360 W
Power Use (high end +15%): 741: 1,322 W/88 chips = 15.03 W/chip 761: 15.03 W/chip * 104 chips = 1,563 W
Is it true that with auto-adjust enabled on the Avalon741 the hash rate is higher if conditions allowed? If that is accurate, and the Avalon761 has/uses the same feature, then the hash rate may be higher, if conditions permit.
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No mining at the moment.
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VentMine
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June 14, 2017, 05:39:16 PM |
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I'm looking to make a large order of Miners soon. Seems like everyone has been having luck with their A741's? I don't hear much complaining going on!
Anyone have any recent shipping experience? Just curious what to expect for timing.
Cheers
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1ESSdoVYKm8sNtYMfdkFBajhAe2e6G8keH
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HagssFIN
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Electrical engineer. Mining since 2014.
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June 14, 2017, 05:44:09 PM |
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A721 & A741 are rock solid when it comes to the current generation of ASIC hardware.
If I would be buying new hardware, at the moment I would keep my eyes open for the possible release of AvalonMiner 761 (see discussion above).
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Duce
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June 14, 2017, 06:24:21 PM |
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Shipping to the US west coast took 8 days for my order.
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edonkey
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June 14, 2017, 10:08:37 PM |
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Interesting about the possibility of an 761. I was just exploring getting a 741 to replace my S9 that blew a hashboard. Now I'm wondering if I should wait for the 761.
If I remember right, we've seen cases before where a new version showed up in the Canaan git repository before the hardware was announced and shipped. Does anyone know what the time span was from the source commit to shipping the A7? Maybe that would give us a hint as to how far off the 761 might be.
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PeaMine
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June 14, 2017, 10:17:20 PM |
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I have only had a single failure with 741, and we're working on that issue together with quick responses. My S7 and S9 rates are around 25% failure, much worse. Never tried R4 or T9, and no desire to after the 741 came out. The voltage offset feature is nice as well. I hope they keep things open and transparent, we need more companies like this.
I want to buy some more, but waiting on them to drop the news about the 761 now.
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Datacenter Technician and Electrician. If you have any questions feel free to ask me as I am generally bored looking at logs and happy to help during free time.
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edonkey
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June 14, 2017, 10:45:37 PM |
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Does the controller come with its own 5v power supply, or just a micro USB cable?
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Was I helpful? BTC: 3G1Ubof5u8K9iJkM8We2f3amYZgGVdvpHr
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NotFuzzyWarm
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Evil beware: We have waffles!
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June 14, 2017, 10:49:56 PM |
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Does the controller come with its own 5v power supply, or just a micro USB cable?
As I recall you have to supply the 5V wall wart w/micro USB cable to power it. Just search Amazon or whoever for Pi power supply. Of course, check Canaan's website for the controller info. It'll say of it comes with one. The RasPi from Canaan has a nice solid metal case so is a decent price. I've seen metal Pi cases go for around $20-30.
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