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Loving the spiderpis and spiderbeaglebones just clinging on by their comms cables!
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Basically I realised the thing that was holding back my GPU overclock was actually my CPU overlock. Dialled my i3 back down from 4GHz to a slightly more reasonable 3.66 and now I can run my 5830 GPU at 1000/1310 where the previous max stable OC was 925/1250 (stock is 840/1125).
This has taken my hashrate from 280Mhash with 250WU up to 317Mhash with 290-300WU but I'm now getting 1 HW error every couple of days. Is this anything to particularly worry about? Temps are 75 core, 78 ram and 76 on the VRM with the fanspeed at 2900RPM.
Hope it's not going to burst into flames like my other 5830, although that one never had a single hardware error.
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Its a real company with a proven trackrecond supplying FPGA miners. There is very little to no doubt their asic project is genuine. Whether or not they will be able to deliver what they promise when they promise, is anyone's guess, but that goes for every other company out there.
That's what people were saying about BFL mid 2012... |
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How much would that probably be in GBP?
£12 + 20% of the value of the product. Unless you have a load of money to start mining probably won't be profitable for you, or just get a 5 series card off ebay, my 5830 using middlecoin makes more BTC than a jalla would! |
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Yeah, you'll need some of those PCIe extension cables to fit them all, and the proper PSU, but yeah it will work. In the past, you needed to use Linux because Windows only supported up to 4 cards (Linux = 8 ). CGminer/AMD software might have changed this though. (Just like how we no longer need dummy plugs)
Windoze actually supports 8 GPU's, 8 GPU cores that is though, so with dual GPU cards such as 7990s you can only run 4 cards. |
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I agree, I think it's time we cleaned up and made some new sub forums to accommodate for the shift in hardware, GPU mining is pretty much dead now.
I think we should discuss on the best type of new boards to add/remove and go from there. We should archive the old posts, maybe have a few sub forums made in the current archive for this to preserve information.
On the topic of altcoins, this is bitcointalk, you guys are lucky enough we accommodate you already. I don't want to see altcoin discussion anywhere but the currently designated section.
Keep thinking that GPU mining is dead... my 4 year old GPU makes more BTC daily than a jally, go figure... http://middlecoin.com/reports/12VAmD4rwXWMdMgPEYBNPU7RiP5yYmnuvL.html I don't want to see altcoin discussion anywhere but the currently designated section.
The problem is, we have a SINGLE altcoin sub-forum and its a cesspool most posters wont touch with a 10-ft pole. Im a big Litecoin guy and I havent been in that sub-forum for months, its beyond worthless now, was good up through Spring 2013. QFT And the custom hardware forum is just as much of a mess most of the time, I like having the hardware forum separate, helps keep things manageable to read and keep track of. |
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Do a search for "pencil mod." It works on both the red fury and blue fury models. I have two red furys running at ~2.8-2.9 GH/s. You can tune it by playing with how much graphite you lay down with the pencil.
Or if you're feeling brave you can connect the two points used in the 'pencil mod' with a 100k pot and slowly reduce the resistance whilst measuring the ASIC voltage. |
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Basically I realised the thing that was holding back my GPU overclock was actually my CPU overlock. Dialled my i3 back down from 4GHz to a slightly more reasonable 3.66 and now I can run my 5830 GPU at 1000/1310 where the previous max stable OC was 925/1250 (stock is 840/1125).
This has taken my hashrate from 280khash with 250WU up to 317khash with 290-300WU but I'm now getting 1 HW error every couple of days. Is this anything to particularly worry about? Temps are 75 core, 78 ram and 76 on the VRM with the fanspeed at 2900RPM.
Hope it's not going to burst into flames like my other 5830, although that one never had a single hardware error.
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1.73GH/KW? Sure you're not off by two or three orders of magnitude?
My (admittedly inefficient) blades are running 108GH/kW. Not sure I follow your math.
Mining litecoin, it makes 0.17 a day. |
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We are selling TWO PAGE Bitcoin Report (English / Spanish) regarding a revolutionary new NEURAL BITCOIN MINER. Very expensive report |
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How can the raspi handle the USB-Erupter. I thougt the usb ports have only 100mA.
I modded mine by shorting the polyfuses and also adding a line from USB-Vin and ground to the ports. BE is dead now though after pulling out the network cable whilst hashing, oh well it wouldn't have ever mined more than 0.01 again. |
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New Huntercoin Video no2Mapsize Increase -- 502x502 (4x bigger) - (half a day to get to the centre and back) Pathfinding with Obstacle Avoidance. Added Sprites Customized Map Visualizer (much faster.. video does not do it justice) and more http://www.youtube.com/watch?v=QhB7wGX1CSkexcuse grammatical errors Any mining pool yet? Either that or a guide of howto solo mine would be great. |
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The best thing about it was that I got 0.7BTC worth for 13000 words onto devtome (old college essays).
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No block source available? How can I fix this, tried adding extra nodes but it doesn't fix it.
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'No block source available...', added some of the nodes I can find listed manually too.
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Hey The wiki on suggested mining rig hardware is very useful but it's very us-centric. Anyone out there got some good suggestions of hardware and a good vendor to buy it in the UK. I was hoping to build something like the dual 5970 rig described in this thread (he's getting 1.2Ghash/s - 700 watts). I might buy the rest of the system (case, psu etc.) new and then try and buy the video cards on the cheap second hand. cheers why not get r9-280x or R9-290 instead? Cause it's not 2011 any more! |
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My heater is my old gaming pc run as a v quiet 300khash 350w miner (cpu is folding too, the more heat the better!)
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I have 2x Radeon 7950s in my gaming rig and I don't mine with them because difficulty is too high for it to be worth it (vs Electricity costs). Realistically the only way to make money at this point is to go big with ASICs and even then it's a pretty big risk.
Mine a scrypt coin then, you could make $4 a day at the moment, minus electric that is. |
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Can't seem to edit my post for some reason, accidentally typed cost of mining hardware $2 into a calculator. Even at 2BTC it won't break even.
Retracting bid.
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... The back of one of my GPUs looked like this after a capacitor randomly fired a stream of sparks at me and burst into flames.  Did you try just replacing the cap? I wouldn't know what value cap to replace it with, what would you suggest? It's a HIS HD5830 if that makes any difference. |
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