I'm trying to restore my SP20E's firmware using the SD recovery method. How long is the process supposed to take? I'm supposed to wait until the green and yellow LEDs stop flashing back and forth right?
Edit: Never mind, got it fixed. Flashing indicates that the operation is complete.
I waited for 15 minutes (to be sure) with no luck. The budu dancing didn't work either.  Did you follow the instructions exactly? Instructions for SPXX miner recovery
1) Insert the sd card to the sd slot in front of the miner machine
SP10 - with the metal connector facing upwards.
SP2x - with the metal connector facing upwards.
SP3x - with metal connector facing down.
2) Remove the power cord for 15 seconds and put it back in (especially important for SP35).
3) Wait for 2 minutes (*both* lights in front of the machine will start to turn on/off *alternately* in a Christmas Tree like fasion -Green ... Yellow ... Green... Yellow... Green... Yellow... ............. ).
4) Remove the sd-card from the miner
5) Disconnect the power cord for 15 seconds and put it back in.
6) Once the system is up, do SW upgrade from the webUI and update your wallet and the pool. The only thing I did differently besides using a higher quality SD card this time, was removing the SD card before powering the SP20 down for 15 seconds. |
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Hey guys,
Should I change the minimum difficulty for my worker?
No, the pool is very good at setting an appropriate difficulty automatically. |
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That's an absolute garbage PSU. Best case it quietly dies without killing you, your family, or your hardware. Worst case it burns your house down, killing you, your family, and your pet goldfish. I wouldn't let that thing anywhere near electronics, much less plug it into anything. Might be useful as a paper weight, but then again it's probably too light.
You can't skimp out on power supplies, people. Especially with mining.
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Sweet, recovery was successful.
What changes does 2.6.7 bring over 2.6.14? Should I just stick to 2.6.14 for now?
Also, is there a firmware changelog somewhere out there for both stable and beta releases?
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Here's a review for your EVGA: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story3&reid=377Jonnyguru is the reference when it comes to PSU reviews. The important information:  What you want to pay attention to is Test #CL2. That's a test which maxes out the 12v rail, without any use of 3.3v or 5v, and that's what mining represents. You can see that while pulling 837.9w of DC power from the PSU, the PSU its self was pull 963.4w of AC power from the wall. That gives the PSU an efficiency rating at almost (he usually maxes them out, not sure why he didn't reach 850w in this review) full 12v load of 87% with 117.9v of input. He's running off of a 20A outlet, so if you're using a 15A outlet you can expect slightly lower voltage. I'd guess about 115.5v. Using the 87% figure, we can calculate that 850w / 0.87% = 977w measured at the wall. That's what you want to stay under, 977w. I only recommend running 100% load with top quality units, which your EVGA is. Lesser PSUs will croak. If Super Flower (The OEM of your PSU), Seasonic, Flextronics, Delta, etc made your PSU, it's capable of running full out 24/7 for the duration of it's warranty period. Full out actually decreases as time goes by, but that's another subject for another time. Average PSUs I wouldn't want to run over 80% capacity 24/7, cheap PSUs about 70% and no name trash will be lucky to run at 50% for a few hours. The higher your input voltage to the PSU is, the better your efficiency will be. As a rule of thumb, you can expect about 2% better efficiency at 240v VS 120v. That would mean you'd pull 944.4w at the wall under full load. 240v will also increase your PSU's life expectancy. Take a look at this chart:  I know it says 240v is only a 1% increase over 120v, but in my experience 2% is more realistic. And take the time to read the review I linked. You'll earn some good info about your PSU, and PSUs in general. |
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I'm trying to restore my SP20E's firmware using the SD recovery method. How long is the process supposed to take? I'm supposed to wait until the green and yellow LEDs stop flashing back and forth right?
Edit: Never mind, got it fixed. Flashing indicates that the operation is complete.
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Yeah that was on a Kill-a-watt. So if I run them for a bit sometimes at past 800watts it's still ok? What about running an EVGA 850W G2 at right the 850-900 watt limit? Is that ok? I know the 1300 G2's are fracking tanks, but just thought I'd ask.  Absolutely fine. I'm not familiar with your particular PSU model, so I'll assume 90% gold efficiency running on 240v (figure 88% if using 120v): 880w * 0.90 = 792w being used by your hardware 800w * 0.90 = 720w being used by your hardware You could run either calculation 24/7 without issue. For the EVGA: 900w * 0.90 = 810w being used by your hardware (240v input) 900w * 0.88 = 792w being used by your hardware (120v input) I'd be fine with running the EVGA full blast at 850w (965w at the wall on 120v) Edit: Just realized you're using 120v if you measured with a Kill-a-watt. Ignore my 240v numbers. |
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Almost, but not quite. I'm using this bad boy to power an SP20E right now, but intend to find a more suitable job for it eventually. Numero uno... One bad mothaI should note that I would never have purchased that PSU, I got it in a trade for 3 GPUs. If I had a need for a mining PSU I'd 100% go with a server PSU. |
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Not Sure but your best share must be more than 2 billion
Current bitcoin difficulty is 47 billion so your share must be better than 47 billion. What about luck? You'll need a lot of it to hit 47 billion. |
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What sidehack said.
You didn't harm it, server PSUs are built like tanks. Where did you get your reading for 880w? At the wall? If so, that's not the PSU's output in DC watts, there's an efficiency loss to factor in.
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You're playing with the finest power supplies in existence, nobody makes them better than Delta. I know you'll love them, their build quality trounces anything available to consumers in the ATX form factor. Delta are what every PSU manufacturer aspires to be. I imagine the only downside you'll find is the noise. Looking forward to actually reading your thoughts instead of predicting them!  Edit: Looks like the Dell isn't manufactured by Delta? |
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BitmainWarrenty, could you comment on my previous post please? Bitmain, when can we expect a new firmware update to re-enable voltage control? The last update killed voltage control. I'd use the previous Oct 16th if I needed it right away, but the latest firmware is much more stable. With summer coming I'll be wanting to underclock and undervolt, along with many others I'm sure.
Please make sure that all 4 hash boards respond to voltage settings, previous firmware only controlled 3 of them while the forth was stuck at 0750.
Thanks |
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It's always best to use a good quality class 10 SD card, but I've also had SD recovery failures with them & had to RMA it, so sometimes the controller board/BBB is to blame also Yeah, I always use class 10 cards in my miners, but I only had a class 4 in hand when I tried. Guess I'll go out and get a class 10 to try again. What is the procedure exactly? Write the recovery image to SD, power the machine off, insert SD, power on, and wait? How long should it take? When I tried it (twice) all that was happening was that the green and yellow LEDs were blinking rapidly intermittently. I waited a good 6-7 minutes each time, then powered off and removed the SD card.  Thanks for the link, PatMan. That's basically what I did with the class 4 card. Maybe I just didn't wait long enough since the lights never stopped blinking between yellow and green. I have to wait until they stop blinking, I imagine? I'll go try again shortly using my phone's 64GB Sandisk Ultra SDXC. |
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You guys can thank me for the 1.06% block. I just bought 4 SP20Es for 1.06 BTC each, it has to be related. LOL  *snip* And in other completely related news, the expected earnings of 1TH/s per day is... 0.0106 BTC... coincidence? I think NOT! Ha! Look at that! You guys can thank me for the 1.06% block. I just bought 4 SP20Es for 1.06 BTC each, it has to be related. LOL *snip* And in other completely related news, the expected earnings of 1TH/s per day is... 0.0106 BTC... coincidence? I think NOT! Wow, what a steal on both ends, nice. Do they have any more? Lol Unfortunately not, if they did they'd be on their way to me. |
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You guys can thank me for the 1.06% block. I just bought 4 SP20Es for 1.06 BTC each, it has to be related. LOL  |
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It's always best to use a good quality class 10 SD card, but I've also had SD recovery failures with them & had to RMA it, so sometimes the controller board/BBB is to blame also Yeah, I always use class 10 cards in my miners, but I only had a class 4 in hand when I tried. Guess I'll go out and get a class 10 to try again. What is the procedure exactly? Write the recovery image to SD, power the machine off, insert SD, power on, and wait? How long should it take? When I tried it (twice) all that was happening was that the green and yellow LEDs were blinking rapidly intermittently. I waited a good 6-7 minutes each time, then powered off and removed the SD card. |
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I am having a problem with one of my miners, an sp31. when i try to log on it behaves as if i got the password wrong. so i can not access my miner, it is still mining but not on my pool, since it is still consuming the full 12amps. I have tried doing the SD recovery and the SD boot. Both did not work. I was wondering does anybody else maybe have a possible solution to this problem i am experiencing?
I have solved the problem that i was experiencing. I will share the knowledge here for everyone's benefit. It turns out that you need at least a class 10 Micro SD card or the SD boot or SD recovery will not work. Hopefully that saves someone else from the trouble and stress that i just went through thinking that one of my units had just died lol. Spondoolies, I suggest that you should also add that to your SD-Card instructions page. Can anyone confirm this? To me, it doesn't make sense since the speed of the card shouldn't matter. I'm curious because I have an SP20E that will only work using an SD boot card (and it's class 4) and using a recovery SD was unable to fix the SP20E. |
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Am I beat here? I bought 6 S5's for $419 yesterday and now see them for $369. Bad business practice. I would cancel my order if I could get into my account. And if there are any left then so be it. If not then it was never meant to be. I've never never been money sucked that bad in a long time. Probably comes out to a $350 difference.
Is it possible that CloudFlair is loading an older, cached version of the website? (before the price gouging) |
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This is about the same time Spondoolies tech launched last year. Please follow in their footsteps and be just as good!
Free us from this Chinese oppression  You might want to take a closer look at their logo..  |
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Sad for the DDOS, but people always try to steal! They should put their efforts in development rather than destroying other stuff. Anyway. Quick question, what is the lowest freq a S5 can go  Its too hot in my place and I need to downclock it. I had them run at 250 freq you get about 750gh off topic thanks for the avalon 4.1 coupon I ordered a third unit today What was efficiency like at that hashrate? |
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