GlenAllan
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I can't say exactly since it is enclosed and the smoke poured out from inside, but i'd guess middle front ish. it's possible if i plug it back in it'll finish smoking and i could tell better then.
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GlenAllan
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April 07, 2023, 11:16:29 PM |
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Sorry, i guess people think of where the fan is as the front. Not that side. I keep the lights side facing me. So middle back.
Also, if this is the Bitcoin Merch one, which i think it is, then they won't honor any use above 500MHz when it comes to the warranty. I assume these are software serialized, so i can't return a different one, so i might just be out 600 bucks. And to be clear, i'm not saying i like to cheat to get returns/exchanges, i just don't necessarily agree with the 500MHz limit on use.
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GlenAllan
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April 07, 2023, 11:41:19 PM |
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I would like to know though, from other who have pushed the R909, has anyone else had anything similar happen? Should i now worry about pushing the other one i have? As far as silicon lottery goes the remaining one definitely ran/runs with a much higher WU, sometimes up to 100%. The one that went poof rarely got up to 90%, sometimes as low as the high 70s. I've seen others post results and it seems the R909s tend to run below 100% unlike the CompacFs i have which almost all run at 100% or just below.
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kano
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Most R909 wont run at 100% if you push the clock speed. This is due to the low millisecond timing of getting work to them. If you run it overclocked on linux you'll get the best results, windows = not so good, mac = worst As for what's going on there, I have a whole post a few pages back, you should probably, read related to that ... https://bitcointalk.org/index.php?topic=5423227.msg61850232#msg61850232The API info will also tell you https://kano.is/gekko.php#apuMy picture on the support web page shows the 'front' as you call it. https://kano.is/gekko.php#volWith a big black capacitor there in the middle. You should probably refer to that picture if you want help from someone - but not me - I'm a software guy ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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GlenAllan
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That post a few pages back was directed at me when i was trying to run all of this on a Mac. I moved to a Pi running Ubuntu Mate and everything has gone great. That makes sense about it not running at 100%. But does the fact that the one that went smokey was running so much lower give any clues to a problem? Otherwise yeah if anyone who understands the hardware better and has done overclocking can speak to if i shouldn't have been running at 600MHz is the issue, or if it's just that one that may have had a problem to begin with, that would be cool.
Being that i think that R909 was already an exchange for a 909 going down for other reasons and Bitcoinmerch has a warranty policy regarding running it above 500Mhz, i'm now hesitant to clock the other one back up to 600 anyway. That's why i'd like to clarify if 600 is actually any issue or in that one had some flaw to begin with. I've seen a few people in here talk about running it up to 700MHz and it self regulates down if there are issues. Also why i'm hoping someone might know what would have blown and if there is actually just a way to fix it. I don't think my reseller knows anything about repairs.
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sidehack (OP)
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If Merch wimps out on the warranty, it's a Merch problem. I'm interested in seeing this one since it's the first "magic smoke" failure report I've heard in the wild, so if nothing else, you can send it back to the factory for repair.
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GlenAllan
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April 09, 2023, 05:55:17 AM |
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Hmm, well i'd definitely be interested in sending it in for repair. I don't actually see where that would be easily with a Google search. Mind pointing me in the right direction? Or do you mean through "Merch" to the factory for a paid repair?
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GlenAllan
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April 09, 2023, 07:07:19 AM |
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Or i guess i should ask, would you be the one it's going back to? Either way would like to get it looked at. Would of course prefer it to be working ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) .
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GlenAllan
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April 09, 2023, 11:11:59 PM |
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If Merch wimps out on the warranty, it's a Merch problem. I'm interested in seeing this one since it's the first "magic smoke" failure report I've heard in the wild, so if nothing else, you can send it back to the factory for repair.
Yeah, Bitcoin Merch is not going to help me. He claims factory fixes do not exist as well. Can you give me info on where to send it and cost?
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sidehack (OP)
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April 10, 2023, 02:32:07 AM |
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Yeah let's take it to PM
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GlenAllan
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April 10, 2023, 05:16:51 AM |
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Sounds good ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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sidehack (OP)
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I'mma just leave this here ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fhosting.photobucket.com%2Fimages%2Fuu202%2Fsidehack128%2FR909-800MHz.png&t=665&c=BxHKxHG-rv0QmQ)
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altair_tech
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April 15, 2023, 12:53:01 AM |
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😱😱😱😱😱😱😱😱😱😱😱😱😱😱😱😱😱😱😱 Beast Mode!
Is there some liquid nitrogen involved here?
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sidehack (OP)
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April 15, 2023, 01:33:39 AM |
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It maaaaaaay be a custom job a little bit. Beefy fan on stock heatsinks though; 27 watts into each chip.
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cygan
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April 15, 2023, 07:49:28 AM |
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I'mma just leave this here ✂️
holy moly!!!! ![Shocked](https://bitcointalk.org/Smileys/default/shocked.gif) i am curious how long the performance will hold... how could you bring the r909 to such a performance - have you made any modifications?! ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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gt_addict
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April 15, 2023, 10:36:55 AM |
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![Shocked](https://bitcointalk.org/Smileys/default/shocked.gif) Reveal your secrets sidehack. Was the upgraded fan a leafblower ? ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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**SUPPORT SIDEHACK** Miner Development Donations to: 1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
Donations/Tips to:- 1GTADDicTXD1uachKKgW24DZDxDGhSMdRa
Join Bitconnect: https://bitconnect.co/?ref=gtaddict
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maddhy
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April 15, 2023, 04:59:40 PM |
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Hello! I recently moved homes and today at my new place when I tried to run my R909, unfortunately, it shows 0 chips found. I guess something went wrong during shipping. Anyway, I just dissembled everything. When it's connected to the power cable but without running the CGminer, Chip '1', '2' and '5' (which are on the same side) are hot while the other 3 chips are cold. I wonder in idle, should all chips be hot or cold? and what could possibly cause this ''half hot, half cold'' scenario? Many thanks! Picture of the dissembled board: https://www.dropbox.com/s/ctkr7t50n6vdski/PXL_20230415_164621233.jpg?dl=0
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maddhy
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April 16, 2023, 07:24:43 AM |
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An update to my yesterday's post: The 3 chips were hot in idle only if both power and data cable are connected (without plugging in the data cable all chips are cold). After leaving it overnight, all chips are found again and working fine. All chips now in the idle state are cold, so I guess probably there was a short circuit that caused the 3 chips to be hot.
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DukeTogo13
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April 25, 2023, 10:28:40 PM |
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Question I didn't find an answer to with a quick forum search.
I have a few r909 miners I typically run on solo.ckpool with a 7d average of 7.39t. I mess around with unmineable a bit from time to time, but it doesn't seem to be reporting my r909 stats from cgminer correctly. After an hour or so I max out around 2.5 - 2.75t.
Before I had the r909's I used some 2pac and compac F stick miners with cgminer on unmineable, and the stats jived between the two programs.
I have an Antminer R4, and it reports to unmineable perfectly fine after 20 minutes; everything is syncd up. Maybe I need to let the r909's go overnight and see what they look like in the morning?
Is this a common problem, or am I doing something incorrectly? Any suggestions, or another pool recommendation?
Thanks.
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