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161  Bitcoin / Pools / Re: Cooperative mining (500Ghash/s) on: May 30, 2011, 03:49:01 PM
Could someone explain to me how the block confirmation process works or direct me to a link that will explain it in some detail? From reading parts of this thread and others, I see that the network needs 120 (100 on Slush's pool) confirmations before bitcoins generated move from unconfirmed to confirmed. What does that process entail? Why does it take seemingly forever to generate 100 confirmations?

I like Slush's pool a lot. I like the way the statistics are displayed and the ease of use of the interface. I have no desire to go anywhere else, but I am very interested in learning more about it.
162  Other / CPU/GPU Bitcoin mining hardware / Re: GUI mining - now with BFI_INT optimization on: May 27, 2011, 04:38:03 PM
No extra flags currently just whatever GUI miner does by default, I wanted to run it with as stock of an operation as I could so I could get an idea what my baseline was before touching flags and overclocking options.

And, yes, both GPUs have their own separate worker account. I set that up before the machine was even finished installing updates Smiley
163  Other / CPU/GPU Bitcoin mining hardware / Re: GUI mining - now with BFI_INT optimization on: May 27, 2011, 03:57:04 PM
Crossfire is not hooked up or enabled right now.

As for GUI Miner tabs, one is running on GPU device Cayman[0] and the other is running on GPU device Cayman[1]. I have a third option in the list for my cpu, but it is not currently being used. I'm fairly certain that Cayman[0] is my primary video card as it was there when I first loaded up GUI Miner. I believe Cayman[1] is my second card as it didn't show up until I plugged a monitor into my second card.

Console was enabled when I left this morning (at work now), and there was nothing I saw to indicate anything of notice. I was wondering if there was a setting or a flag somewhere I was missing to ensure both cards run at 100% utilization.
164  Other / CPU/GPU Bitcoin mining hardware / GUI Miner - Running both cards results in poor performance for both on: May 27, 2011, 01:02:31 PM
Hello All,

Great community, love the tools and the knowledgeable posts.

I just finished putting together a new mining rig with two 6970s yesterday. Not the best of cards from what I've read, but they were cheaper than some of the other options. Anyway, I'm trying to get the best setup running both of them, and the general consensus seems to be that you should run cards separately and not linked via crossfire.

When I run one card, I get approximately 350 Mhash, which seems to be in line with what some other folks are getting. However, when I run both cards at the same time, one will sit around 230 Mhash and the other around 120 Mhash. The two together never surpass the amount one was getting by itself. Anyone know what would cause this and how I might fix it?


Windows 7, 64 bit
Core i5 2500k @ 3.3 GHz
HIS ATI 6970 w/ 2GB RAM
HIS ATI 6970 w/ 2GB RAM

Most recent driver and catalyst suite from ATI support site

I do know that the motherboard I'm running will downgrade the throughput of the PCI-Ex16 slots to an effective x8 when running two graphics cards, but I read that shouldn't affect mining performance.

Any suggestions are very much appreciated!
165  Other / CPU/GPU Bitcoin mining hardware / Re: PS3 miner? on: May 17, 2011, 04:23:15 AM
This whole thing sounds awesome. I don't really have any powerful graphics cards in my house, and I've had to rely on all cpu miners from laptops and old desktops for the time being. I think I'm running maybe a total of 20 Mhash with 5 machines right now. While I don't have the money to run out and buy a whole new desktop, I can afford a few extra dollars on my electricity bill to run the PS3 along with the rest of them and effectively double my total.

Here's the trouble... I'm running PS3 firmware 3.60, and I'm unsure of how to go about getting the otherOS set up. I messed around with it back in the day when it was still actually integrated with the official PS3 firmware, but that's obviously a thing of the past. I have no qualms about jailbreaking the PS3 and voiding warranty and what not, as I own an original 60GB fat model, so there is no longer a warranty, and the thing is likely to die at some point soon anyway. I just don't know how to best go about the whole process. Do I need to jailbreak? install a custom firmware? at what point do I install the firmware from how would I install the firmware from (the instructions are anything but helpful)

If someone could walk me through this, I'd really appreciate it.
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