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Hi C-Cex,
Any update on the GRC wallet and when it will be out of maintenance? The dev's have released a new version to fix the forking issue. Last update I can find is Feb 19th on your twitter.
Thanks!
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Just an update - got the miner replaced through the reseller and the new one works perfectly  Bought a second one too, which is also great. |
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is this in a powered hub or a unpowered hub ? sounds kinda like a lil setup issues unless its only 1 stick thats not working i would suggest talking with sidehack and novak there the manufactures of the sticks and listen to them
I have tried the stick directly into a usb 3.0 port, and also with a 7 port usb 2.0 powered hub (3.5A adapter). I have tried on 3 seperate PC's now. |
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Hey, was able to borrow my friend's voltmeter. It turns out the unit was set at 0.694v. I adjusted it again down to 0.559V and back up to 0.8V in increments, and restarted the client every time I made an adjustment to check for stability. I was unable to get the unit stable, unfortunately. The most I could get it to do was a few error hashes (The HW count).
I am assuming the miner is faulty, then?
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I think it should have worked fine with --benchmark
Try forcing it at 100Mhs when you do it
--compac-freq 100 --benchmark
This way there's no account involved
Thanks, but I tried this before. I didn't realise it bypassed the pool altogether, though this makes it way easier. I am going to get a more precise voltmeter tonight and try the benchmark feature with the clock at 100mhz. |
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the meter that measures 0.5-0.6 cannot be described as "proper". you need one that measures mv to the third number, like 0.653V I use this one: http://www.amazon.com/INNOVA-3320-Auto-Ranging-Digital-Multimeter/dp/B000EVYGZASecond, i don't think you should dismiss the worker comment without checking, although it is a minor possibility. Basically, Eligius detects two miners with exactly the same name. i am not sure it does not result in conflict. in fact, it happened to me once and one miner simply dropped out (stopped hashing in a short while). others might comment if it is in fact possible to have two workers with identical names. I do have an account at another mining pool I can try. I will make a worker for this device exclusively. I should have access to a more precise meter, I'll be able to test it tonight. even simpler, make a new wallet account on blockchain.info and use that wallet address as a worker on kano.is or Eligius. I actually had a blockchain account Tried it in cgminer and bfgminer and it has made no difference unfortunately. The bfgminer is still not able to detect the device. Will explore the other voltmeter tonight. |
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the meter that measures 0.5-0.6 cannot be described as "proper". you need one that measures mv to the third number, like 0.653V I use this one: http://www.amazon.com/INNOVA-3320-Auto-Ranging-Digital-Multimeter/dp/B000EVYGZASecond, i don't think you should dismiss the worker comment without checking, although it is a minor possibility. Basically, Eligius detects two miners with exactly the same name. i am not sure it does not result in conflict. in fact, it happened to me once and one miner simply dropped out (stopped hashing in a short while). others might comment if it is in fact possible to have two workers with identical names. I do have an account at another mining pool I can try. I will make a worker for this device exclusively. I should have access to a more precise meter, I'll be able to test it tonight. |
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So, set and measured with a proper meter or were you basing the measure off the pot position? Because it's possible for the pot to not work and the voltage gets locked to 550mV in which case, if it starts at all, it'll only start and work at very low frequency.
If core voltage is good, and it detects in cgminer with proper serial number displayed and such, but you don't get hashing, it's probably something wrong with the hardware.
Yes it was a proper meter. It only measured down to one decimal point, but I was getting fluctuations between 0.5 and 0.6 at the lowest setting, and 0.8 at the highest. Thanks for the input. I am going to try a few more tests on a different system tonight and request an RMA if I don't get anywhere. |
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So I didn't have any luck with BFGminer. It would not detect the stick. I tried with the default windows drivers, and also again with the zadig drivers, just to be sure. I also tried adding the device manually (it was mapping as COM16 port). Not sure if there are any special flags I need to detect the Gekko USB stick? It shows as supported on their newest version release notes. Gave cgminer another try and got a different result this time, though. Here is a screenshot - http://imgur.com/G5Lo0HIIt appears like it is only generating errors, but is at least trying to hash now. I was using the flag --suggest-diff 25 did you try another address (not Burger) or at least, did you change it to have your unique worker name? It won't work if you use just Burger address. It seems that you are very close to make it work. I used the same pool address/user as was set up in the cgminer-run script that is included the cgminer-gekko-win32 version. As it connects successfully to the pool, I don't believe this is the issue. I came to this conclusion because the program cannot detect any USB devices - it is not having an issue getting shares. When adding a new device, after selecting "auto", it seemed to start hashing ok on my GPU. |
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I would highly recommend finding some way to measure the core voltage. Try it on 100MHz and see if it runs a bit more stable.
I have tested this already. Right now it is set at 0.7V, but I have tried between 0.55 and 0.8 with no change in results. Just tried again at 100mhz, no change. I will try again tonight when I have access to a voltmeter again. |
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So I didn't have any luck with BFGminer. It would not detect the stick. I tried with the default windows drivers, and also again with the zadig drivers, just to be sure. I also tried adding the device manually (it was mapping as COM16 port). Not sure if there are any special flags I need to detect the Gekko USB stick? It shows as supported on their newest version release notes. Gave cgminer another try and got a different result this time, though. Here is a screenshot - http://imgur.com/G5Lo0HIIt appears like it is only generating errors, but is at least trying to hash now. I was using the flag --suggest-diff 25 |
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Try a PC running a Linux build (no messing around with zadig or usb drivers).... or a Raspberry Pi with Raspbian (a Linux build)...or Remove zadig driver and try bfgminer 5.4.1
Going to try the BFGminer option, as I do not have access to a Raspberry Pi. I'll let you know how it goes. |
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That thing look fine.. I would try adding .. in the cgminer commands, see if that allows it to start hashing, the 512 may be to much for the stick to work on within the 10 seconds [/quote] Thanks for the suggestion - I gave this a try but am getting the same result. I have also tried it in a powered USB hub, without any other devices plugged in. It has 3.5A available, which should be plenty. Any other ideas? |
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it's been covered recently, but remember they're home made with care and they linked to be tinkered with Try another port/computer just in case And make sure USB power saving is disabled Alright so I got to give it a try at home with my voltmeter. It was set at 0.7V. I had the same error message on this PC. It looks like it did hash very briefly, but received an error before it could complete. I tried changing the voltage in a few increments down to 0.55V and then back up to 0.8V, but had the same result regardless. I've set it back to 0.7v for now. Here is a photo of what i'm getting.. http://imgur.com/agqC9qfI have tried unplugging and plugging back in multiple times, different ports, also tried uninstalling entirely from the system and then reinstalling with Zadig. No change. Did you download and add the missing zlib1.dll to the modified cgminer? Yes I had to do this to get the program running. Also i know what you mean about the R47 chip...it looks worse in that photo I have to say, but perhaps it is defective. Anyone have luck with returning to bit coin ware? |
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it's been covered recently, but remember they're home made with care and they linked to be tinkered with Try another port/computer just in case And make sure USB power saving is disabled Alright so I got to give it a try at home with my voltmeter. It was set at 0.7V. I had the same error message on this PC. It looks like it did hash very briefly, but received an error before it could complete. I tried changing the voltage in a few increments down to 0.55V and then back up to 0.8V, but had the same result regardless. I've set it back to 0.7v for now. Here is a photo of what i'm getting.. http://imgur.com/agqC9qfI have tried unplugging and plugging back in multiple times, different ports, also tried uninstalling entirely from the system and then reinstalling with Zadig. No change. |
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it's been covered recently, but remember they're home made with care and they linked to be tinkered with Try another port/computer just in case And make sure USB power saving is disabled Will test it on another computer tonight when I have a voltmeter and get back to you  |
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Turn the voltage a bit more clockwise And type "valid" in the search box top right in this thread, there's a few posts Hmm no luck  . Is it normal to have to adjust the voltage screw to get it working at all? I have a voltmeter at home and should be able to test further tonight. Thanks for your help. |
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Well it should run fine at 150Mhs, but verify the Vcore.
Check the 1st post for "how-to"
Also try cgminer --benchmark
Thanks, I don't have a multimeter here but I can try and get one. I took a photo of the vcore adjustment screw. According to the diagram I am thinking it is around 0.6-0.65V. http://imgur.com/54k7zoH. I ran cgminer with the benchmark flag, but am not getting anything new. It seems like it is trying to run it at 125mhz by default in the benchmark. First of all it had an issue restarting the device - http://imgur.com/VXDFFjAThen it just cycles through the COMPAC numbers in order, retrying constantly - http://imgur.com/h5cUcQTAnything else I could try without a voltmeter? |
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Hi There, I just received my new Gekkominer USB and am trying to get it working. I have downloaded the Cgminer-gekko win32 version as outlined in the beginning of the thread. Running into some issues, however. I've installed Zadig and switched the driver for the device to WinUSB (v6.1.7600.16385). Upon launching Cgminer, I get the following error (shown in the attached image) - http://imgur.com/Atq1oXgEvery time the device resets itself in cgminer, the white activity light on the device flashes for a moment. Not sure if this is normal. The device is plugged into it's own USB 3.0 port, and is not on a hub or anything. Does anyone have any ideas? Would love to get this working Thanks, |
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