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on: March 08, 2013, 09:07:05 AM

everything about bitcoin is a risk. If you're not a gambler, you should probably get out.

on: March 08, 2013, 06:17:32 AM

Tbh, any motherboard with multiple PCIe slots will be good. The speed doesn't matter, you can use x16, x8, x4 and even x1 slots. Don't believe me? Here's my proof of concept. https://twitter.com/relay_1/status/290159160987897858/photo/1 The motherboard is a http://www.newegg.com/Product/Product.aspx?Item=N82E16813128514 Which has 4 PCIe x4 - x16 slots and 2 PCIe x1 slots. I'm using these PCIe risers to connect them. http://www.amazon.com/gp/product/B005TEJ3MI/ref=oh_details_o05_s00_i00?ie=UTF8&psc=1 http://www.amazon.com/gp/product/B00646VJDG/ref=oh_details_o05_s00_i01?ie=UTF8&psc=1 Or you can slap 4 cards right on the board. Dummy plugs aren't needed unless you're using Windows I believe. I use Ubuntu and it's not required. I had them on in that photo, but took them off shortly after and it still works perfectly. Good luck.

on: March 07, 2013, 01:49:54 AM

Thanks, I'll give that a try.

on: March 06, 2013, 09:07:37 AM

I have a 5770 reporting that it's running at 105C at 85 Mh/s. Now, I know this is complete nonsense because I have, on the same board, a 5870 running at 412 at 55C. Also, the room temp is close to freezing, roughly 40C right now, it's an uninsulated pond pump shack in my backyard and I live in the NW. I assume this inaccurate reading is throttling the hash rate, I can get at least 215 out of that card (as I have in the past). Any ideas on how to trouble shoot what exactly is wrong and fix it?

on: March 06, 2013, 07:08:03 AM

Quote from: JoelKatz on March 06, 2013, 06:46:56 AM Quote from: bitcoindownfall on March 06, 2013, 06:22:59 AM the number of bitcoins is virtually limited to 21 millions, we've got less than 1 million users for now but imagine one day the price of the bitcoins becomes so high that a transaction fee will cost several bucks. the minimum transaction fee is 0.0005 btc thats currently 0,2 cents per transaction... that's nothing alright but this is only the beginning, due to its strict monetary policy, the bitcoin will kill itself when the transaction cost will be very high this will refrain a lot of people from doing transactions. So let me get this right, you're arguing that Bitcoin will become so popular that nobody will use it? lol

on: March 06, 2013, 07:04:43 AM

Quote from: hmblm1245 on March 06, 2013, 03:10:25 AM 1x5770 2x 6950s 7x5850s 20x5830s ~10Ghs What are your cards running at? You seem to get better numbers than I do out of the same series cards.

on: March 06, 2013, 06:57:21 AM

There's a lot of speculation on what will be profitable or not. Try reading through the forums on the butterfly labs website. I have 4 pre-ordered, and everytime I mine a little extra, after paying off my costs and EC2 bill, I pre-order another one. But, if you can afford a larger ASIC right out of the gate, get it if you're serious about mining.

on: March 06, 2013, 06:48:59 AM

Here's a picture of Rig 2, before I put it out in the shed. https://twitter.com/relay_1/status/290159160987897858/photo/1 My total hashing power is 4.5 Gh/s Rigs 1 and 2 have 1200w PSUs and use PCIe Risers, refer to the picture above, rigs 3 and 4 are just GPUs stuck in the boards. I keep my rigs outside (I live in cold climate) for free cooling. I don't mine for personal profit, just to break even on gear and electricity and make a little bit of $$ to power the 7 tor relays I operate in the EC2. Anything extra goes back into gear or more relays. Rig 1, ~1.6 Gh/s 2x5850 2x375 Mh/s 1x5830 270 Mh/s 1x6850 254 Mh/s 1x6950 366 Mh/s adding a 5870 or another 5850 this week Rig 2, ~2000 Mh/s 2x5870 2x415 Mh/s 2x5850 2x375 Mh/s 1x6850 255 Mh/s 1x5770 200 Mh/s (on a good day) Rig 3, ~900 Mh/s 2x7870 2x450Mh/s Rig 4, ~1 - 1.2 Gh/s 2x7950 (This rig is in the mail from newegg)

on: March 06, 2013, 06:21:42 AM

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