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Bitcoin / Mining support / iMac with 6750M
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on: July 15, 2011, 01:32:31 PM
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I mine with my iMac using poclbm in Windows. I've overclocked the core clock to 870 MHz and underclocked the memory to 300 MHz. I've also increased the ODD fan speed so that the GPU temp stays stable at around 60 C. It doesn't always run 24/7, I give it a rest now and then. I want to know, is this dangerous for the computer? As in will it's effects start showing soon?
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83
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Bitcoin / Mining support / Re: OSX Radeon 6970 freezing/kernel panic running Diablo
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on: July 15, 2011, 01:22:14 PM
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How much mhash/sec are you getting?
Well I'm kinda new to this so maybe my numbers are off. The Diablo miner says I'm getting 80,000-100,000 which I guess is 80-100 mhash/sec. My deepbit mining account says I'm averaging 35-45 though which I think is typically low but about where OSX normally is. Then you are using a 6970M not a Radeon 6970. It has next to no cooling; There's just a small pathetic fan on top of it, enclosed in the iMac. It will die from 24/7 mining. The design is made assuming sprees of a few hours, after which the device will cool down. After cranking up the ODD fan to ~3000 rpm, GPU-Z is reporting the temp to be stable around 60 which I think wouldn't harm it.
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87
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Bitcoin / Mining support / Re: OSX Radeon 6970 freezing/kernel panic running Diablo
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on: July 14, 2011, 07:23:50 AM
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How much mhash/sec are you getting?
Well I'm kinda new to this so maybe my numbers are off. The Diablo miner says I'm getting 80,000-100,000 which I guess is 80-100 mhash/sec. My deepbit mining account says I'm averaging 35-45 though which I think is typically low but about where OSX normally is. You should be getting way more. I get 110 mhash with a 6750M. Try using poclbm in Windows if you can. Oh and pool sites will never show your actual hashrate. They can't calculate that accurately.
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93
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Bitcoin / Mining support / Re: OSX Radeon 6970 freezing/kernel panic running Diablo
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on: July 13, 2011, 02:05:40 PM
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Thanks for the feedback. I did end up getting it going by installing smcfancontrol and using DiabloMiner.
Oh so you were able to control the fan in OSX! Smcfancontrol in unable to control both my GPU fans but they are both PCIe GPUs. In smcfancontrol do you see a fan specifically for the GPU or because of the iMac design it's just the CPU fan cooling both chips? It's the ODD fan.
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96
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Bitcoin / Bitcoin Technical Support / Re: Small problem
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on: July 13, 2011, 11:40:44 AM
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Would it help if I moved the wallet.dat from one of the clients to a netbook I have and start the client on that? So that both of them would be online together.
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98
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Bitcoin / Bitcoin Technical Support / Re: Small problem
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on: July 13, 2011, 10:15:30 AM
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Yes I did give a transaction fee. No I don't mine with the client, I mine with poclbm. I just wanted to have the client in Windows so I could manage transactions while mining.
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99
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Bitcoin / Bitcoin Technical Support / Small problem
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on: July 13, 2011, 06:59:51 AM
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Okay I may have done something stupid. I had the bitcoin client installed in Mac OS X but I mined bitcoins using Windows with bootcamp. So I thought I might as well shift my client to Windows. Now instead of copying the wallet.dat file like I should have I transferred the coins to the windows client from the Mac one. But now they can't be online at the same time and so my transaction isn't going through. Is there some way to solve this?
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