Topic: Swedish ASIC miner company kncminer.com - page 73. (Read 3049514 times)
I had a similar problem with a machine i found its either power supply or faulty die related
Why not just try my firmware see if it works?..... can at least start out w/ the donation version =) which is on github, then if it works great for ur titan can buy it =)
I did try it. My rig bounced between 250 - 300 all night. Lots of BFGminer restarts.
Okay, I'm posting this info NOT BECAUSE I NEED A FIX, but because I hope it will help GenTarkin with his software development…
I have an early Batch 1 Titan (Sept 2014). I have a total of five cubes, with a total of fifteen working cores among them. I keep the dead cores turned off. I keep the semi-dead cores turned off. The whole rig hashes at 280 - 300 Mhs. It needs to be hard-rebooted many times to run properly, and then it will only run for 6 - 12 hours without a reboot.
UNLESS...
The best firmware version for me is v1.15, not because it's good. Actually it sucks, but after a few reboots, the GUI crashes. It is completely unresponsive. When this happens, my rig will run at full speed (confirmed at litecoinpool.org) for weeks and weeks at a time. I think the longest it ever ran was 8 weeks without a reboot, but I can usually get a solid month out of it.
The point I'm trying to make is that my rig works perfectly WHEN THE SOFTWARE ISN'T WORKING.
My hope is that this information might help GenTarkin with his firmware development. I'd be happy to communicate about this privately.
I also plan on buying a copy of the new firmware to support his work.
I have an early Batch 1 Titan (Sept 2014). I have a total of five cubes, with a total of fifteen working cores among them. I keep the dead cores turned off. I keep the semi-dead cores turned off. The whole rig hashes at 280 - 300 Mhs. It needs to be hard-rebooted many times to run properly, and then it will only run for 6 - 12 hours without a reboot.
UNLESS...
The best firmware version for me is v1.15, not because it's good. Actually it sucks, but after a few reboots, the GUI crashes. It is completely unresponsive. When this happens, my rig will run at full speed (confirmed at litecoinpool.org) for weeks and weeks at a time. I think the longest it ever ran was 8 weeks without a reboot, but I can usually get a solid month out of it.
The point I'm trying to make is that my rig works perfectly WHEN THE SOFTWARE ISN'T WORKING.
My hope is that this information might help GenTarkin with his firmware development. I'd be happy to communicate about this privately.
I also plan on buying a copy of the new firmware to support his work.
Why not just try my firmware see if it works?..... can at least start out w/ the donation version =) which is on github, then if it works great for ur titan can buy it =)
Ya Ive read pretty much every page on that thread and there is no useful information on were each die # is located.
Vegas
Vegas
AGAIN THIS IS THE NEPPIE VERSION FROM WHAT I UNDERSTAND ...NOT TITAN VERSION (for those unfamiliar)
sent you the pic via a email you sent me from for the 99a upgrade off ebay i got also 1/2hr ago
i suppose i should also just post it here for others i guess
again NEPPIE DIES (supposedly) just saved the pic don't have the link
if the above flakes out it is under my Titan 2nd Album the last pic added on Imgur below
(my knc shrine heh drank the kool aid...look around if you wish....gonna miss home mining big time)
http://lostgonzo.imgur.com/
Anyway appreciate your efforts (as do others here) on our behalf
Keep up the good work By the by got the version upgrade via Ebay without any issues ..so if you'd rather go that route and just pay via paypal it worked fine...this is for others getting the firmware)
...I personally have never had an issue with added cubes to a controller and the pi becoming overloaded and killing dies. Im not sure how this would kill the dies. I have 6 controllers and in my personal experience have never had a controller fail. I dont see the benefit of adding RasPi 2 , even if it could be added.
I'm not implying that the controller can kill a die. I'm saying that if you check the processor usage on the RasPi, you'll see it is high and sustained, sometimes above 90%. It's possible that the RasPi gets overloaded and messes up communication with a core, and the core becomes unstable or shuts down.
I have a couple of cubes with cores that are sketchy. When I run one of these cubes by itself, it is stable. When I add other cubes to the controller, the sketchy cube will begin losing dies. If I don't manually shut those dies off, the entire rig is unstable.
This is not a power issue. I'm running 2 x CoolerMaster V1000's, and have tried different cubes on different PSUs, etc.
My theory is that the RasPi and/or controller becomes overloaded and is responsible for instability in the cubes. This is why I asked questions earlier about using a faster SBC , like a RasPi2, to run the controller, or reverse-engineering to eliminate the controller entirely.
Okay, I'm posting this info NOT BECAUSE I NEED A FIX, but because I hope it will help GenTarkin with his software development…
I have an early Batch 1 Titan (Sept 2014). I have a total of five cubes, with a total of fifteen working cores among them. I keep the dead cores turned off. I keep the semi-dead cores turned off. The whole rig hashes at 280 - 300 Mhs. It needs to be hard-rebooted many times to run properly, and then it will only run for 6 - 12 hours without a reboot.
UNLESS...
The best firmware version for me is v1.15, not because it's good. Actually it sucks, but after a few reboots, the GUI crashes. It is completely unresponsive. When this happens, my rig will run at full speed (confirmed at litecoinpool.org) for weeks and weeks at a time. I think the longest it ever ran was 8 weeks without a reboot, but I can usually get a solid month out of it.
The point I'm trying to make is that my rig works perfectly WHEN THE SOFTWARE ISN'T WORKING.
My hope is that this information might help GenTarkin with his firmware development. I'd be happy to communicate about this privately.
I also plan on buying a copy of the new firmware to support his work.
I have an early Batch 1 Titan (Sept 2014). I have a total of five cubes, with a total of fifteen working cores among them. I keep the dead cores turned off. I keep the semi-dead cores turned off. The whole rig hashes at 280 - 300 Mhs. It needs to be hard-rebooted many times to run properly, and then it will only run for 6 - 12 hours without a reboot.
UNLESS...
The best firmware version for me is v1.15, not because it's good. Actually it sucks, but after a few reboots, the GUI crashes. It is completely unresponsive. When this happens, my rig will run at full speed (confirmed at litecoinpool.org) for weeks and weeks at a time. I think the longest it ever ran was 8 weeks without a reboot, but I can usually get a solid month out of it.
The point I'm trying to make is that my rig works perfectly WHEN THE SOFTWARE ISN'T WORKING.
My hope is that this information might help GenTarkin with his firmware development. I'd be happy to communicate about this privately.
I also plan on buying a copy of the new firmware to support his work.
Ya Ive read pretty much every page on that thread and there is no useful information on were each die # is located.
Vegas
Vegas
Quote
If you Google pics of the old Neptune(?) boards, someone mapped the cores to the VMs and made a picture of it. If the boards are the same (and I think they are), the mappings should be the same.
Ive googled this and looked through HUNDREDS of images and I dont see it. Can you please try to find this? It is VERY important for the hardware video, and I may have found a way to repair dead dies, BUT I need to know the die # locations.
Vegas
Here it is, but it looks different than the Titan board. My bad.
https://bitcointalk.org/index.php?topic=313978.1160
Quote
If you Google pics of the old Neptune(?) boards, someone mapped the cores to the VMs and made a picture of it. If the boards are the same (and I think they are), the mappings should be the same.
Ive googled this and looked through HUNDREDS of images and I dont see it. Can you please try to find this? It is VERY important for the hardware video, and I may have found a way to repair dead dies, BUT I need to know the die # locations.
Vegas
Hello guys!Yes i have a idea for your video Vegas!!!should it be possible to add subtitles please?Because i have so much difficulty to understand.it will be more easy for me to understand your video if you put subtitles on it.... 
pour vous , quoi que ce soit!
wanted to download neptune soft for reinstall but looks like the site http://www.kncminer.com/ is down as well as the support files
I have a copy of the original .img files do you prefer the most current version 2.0? or you can go with the modified version from GenTarkin if you give me some way i can send to you
Please upload when you can it if you have it.
I have troubles with several controlling boards...same troubles with PCB's located in different places..
https://bitcointalksearch.org/topic/knc-neptune-controlling-board-doesnt-see-the-cubes-1170759
thanks
The knc site works for me
wanted to download neptune soft for reinstall but looks like the site http://www.kncminer.com/ is down as well as the support files
I have a copy of the original .img files do you prefer the most current version 2.0? or you can go with the modified version from GenTarkin if you give me some way i can send to you
Please upload when you can it if you have it.
I have troubles with several controlling boards...same troubles with PCB's located in different places..
https://bitcointalksearch.org/topic/knc-neptune-controlling-board-doesnt-see-the-cubes-1170759
thanks
wanted to download neptune soft for reinstall but looks like the site http://www.kncminer.com/ is down as well as the support files
I have a copy of the original .img files do you prefer the most current version 2.0? or you can go with the modified version from GenTarkin if you give me some way i can send to you
Hello guys!Yes i have a idea for your video Vegas!!!should it be possible to add subtitles please?Because i have so much difficulty to understand.it will be more easy for me to understand your video if you put subtitles on it....
wanted to download neptune soft for reinstall but looks like the site http://www.kncminer.com/ is down as well as the support files
Steve im getting that Hakko FR-300 later today. I have to replace a capacitor and a pci-e port. Ill let you know how it goes. I also want to try to remove the vrms with it.
Vegas
Vegas
cool, that hakko looks like fun ... kinda curious if replacing the vrm will bring back some dead dies
Steve im getting that Hakko FR-300 later today. I have to replace a capacitor and a pci-e port. Ill let you know how it goes. I also want to try to remove the vrms with it.
Vegas
Vegas
I usually hang out on LiteCoinTalk, so I'm late to the game, but here it goes...
Questions:
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
Questions:
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
They used some nasty no lead solder, takes ALOT of heat to melt it -- I had to use hot air and a soldering iron to replace the pcie connector, basically cut the connector off then then pull the pins out with tweezers, so takes 3 hands for hot air, soldering iron, tweezers or a rework station
I usually hang out on LiteCoinTalk, so I'm late to the game, but here it goes...
Questions:
1) Is it worthwhile to replace the cheap VRMs that KNC installed with an upgraded version?
We can buy them here:
http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&defaultCurrency=USD&langId=-1&slnk=e&term=BMR4641008%252F001&mfr=ERC&CMP=KNC-Octopart_VSE&c=USD&l=-1
But they aren't cheap, and the minimum order quantity is 65. Each Titan cube would require 8 VRMs at $30 each. Group buy?
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
3) The controller boards are the weakest link. They eventually need to be eliminated, and the cubes need to be run directly via USB-to-serial.
3a) Have we tried offering a bounty to anyone who can provide or reverse-engineer the FPGA code?
3b) I have cubes that will run reliably on all four dies when they are alone on a controller board, but as more cubes are added, dies begin to fail. This is not a power issue. I believe it is the RasPi becoming overloaded and failing to properly handle communication with the controller. Has anyone been able to run a more powerful RasPi, like a RasPi 2 or some variant?
Questions:
1) Is it worthwhile to replace the cheap VRMs that KNC installed with an upgraded version?
We can buy them here:
http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&defaultCurrency=USD&langId=-1&slnk=e&term=BMR4641008%252F001&mfr=ERC&CMP=KNC-Octopart_VSE&c=USD&l=-1
But they aren't cheap, and the minimum order quantity is 65. Each Titan cube would require 8 VRMs at $30 each. Group buy?
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
3) The controller boards are the weakest link. They eventually need to be eliminated, and the cubes need to be run directly via USB-to-serial.
3a) Have we tried offering a bounty to anyone who can provide or reverse-engineer the FPGA code?
3b) I have cubes that will run reliably on all four dies when they are alone on a controller board, but as more cubes are added, dies begin to fail. This is not a power issue. I believe it is the RasPi becoming overloaded and failing to properly handle communication with the controller. Has anyone been able to run a more powerful RasPi, like a RasPi 2 or some variant?
I will be working tomorrow to see if the vrms can be removed and replaced. I bought a very powerful professional grade desoldering tool just for this. Im working on a solution to reball the dead dies. I personally have never had an issue with added cubes to a controller and the pi becoming overloaded and killing dies. Im not sure how this would kill the dies. I have 6 controllers and in my personal experience have never had a controller fail. I dont see the benefit of adding RasPi 2 , even if it could be added.
Vegas
Ditto have 2 titans running 6 cubes hashing over 500MH for long periods now using the custom GenTarkin modified FW and they run great all the time never crash or need rebooting I have had some SD cards go corrupt on me so just have some good quality ones do a fresh image and use his code much more stable then stock FW
I usually hang out on LiteCoinTalk, so I'm late to the game, but here it goes...
Questions:
1) Is it worthwhile to replace the cheap VRMs that KNC installed with an upgraded version?
We can buy them here:
http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&defaultCurrency=USD&langId=-1&slnk=e&term=BMR4641008%252F001&mfr=ERC&CMP=KNC-Octopart_VSE&c=USD&l=-1
But they aren't cheap, and the minimum order quantity is 65. Each Titan cube would require 8 VRMs at $30 each. Group buy?
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
3) The controller boards are the weakest link. They eventually need to be eliminated, and the cubes need to be run directly via USB-to-serial.
3a) Have we tried offering a bounty to anyone who can provide or reverse-engineer the FPGA code?
3b) I have cubes that will run reliably on all four dies when they are alone on a controller board, but as more cubes are added, dies begin to fail. This is not a power issue. I believe it is the RasPi becoming overloaded and failing to properly handle communication with the controller. Has anyone been able to run a more powerful RasPi, like a RasPi 2 or some variant?
Questions:
1) Is it worthwhile to replace the cheap VRMs that KNC installed with an upgraded version?
We can buy them here:
http://avnetexpress.avnet.com/store/em/EMController?action=products&catalogId=500201&storeId=500201&N=0&defaultCurrency=USD&langId=-1&slnk=e&term=BMR4641008%252F001&mfr=ERC&CMP=KNC-Octopart_VSE&c=USD&l=-1
But they aren't cheap, and the minimum order quantity is 65. Each Titan cube would require 8 VRMs at $30 each. Group buy?
2) Has anyone successfully refloated any of the components on a Titan cube circuit board? I have tried to do this, and the solder KNC used has an unusual resin (or epoxy) coating on it. Nothing would stick to it, and it got powdery when it melted. Either they used really cheap solder, or solder that was never meant to be fixed?
3) The controller boards are the weakest link. They eventually need to be eliminated, and the cubes need to be run directly via USB-to-serial.
3a) Have we tried offering a bounty to anyone who can provide or reverse-engineer the FPGA code?
3b) I have cubes that will run reliably on all four dies when they are alone on a controller board, but as more cubes are added, dies begin to fail. This is not a power issue. I believe it is the RasPi becoming overloaded and failing to properly handle communication with the controller. Has anyone been able to run a more powerful RasPi, like a RasPi 2 or some variant?
I will be working tomorrow to see if the vrms can be removed and replaced. I bought a very powerful professional grade desoldering tool just for this. Im working on a solution to reball the dead dies. I personally have never had an issue with added cubes to a controller and the pi becoming overloaded and killing dies. Im not sure how this would kill the dies. I have 6 controllers and in my personal experience have never had a controller fail. I dont see the benefit of adding RasPi 2 , even if it could be added.
Vegas
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