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1004
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Bitcoin / Hardware / Re: bASIC graphic renders and diagram
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on: December 11, 2012, 10:04:34 PM
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Clearly.  Last spec update I saw had board size at 7"x7.5"x2.167" for 72Gh. Given that we're talking about 16 90nm ASICs on that board I believe that to be very reasonable, but YMMV. 7" x 7.5" you say? Yes, that's so compact! and so obviously efficient! |
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1005
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Bitcoin / Hardware / Re: bASIC graphic renders and diagram
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on: December 11, 2012, 07:23:01 PM
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Yeah they could be prettier, but it's nice to see movement. As to the molex issue, I believe bASIC is moving toward a PCIe connector as a single molex would be pretty close to maxed current wise. This is a good choice IMO and the barrel connector is another option for powering the unit.
The design is very compact and efficient IMO, though it could obviously change significantly prior to shipping.
You an I are looking at different pictures, clearly. |
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1008
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Bitcoin / Pools / Re: [ANN] Stratum mining protocol - ASIC ready
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on: December 10, 2012, 11:51:44 PM
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Some ASICs I suspect will have rolltime built into their mining protocol since their development would have started a long time ago (theoretically), when rolltime was all the rage.
Yes, that's an interesting point. All the more reason to make use of that support rather than having the host it's connected to calculating Merkle roots at a high rate of knots. Well actually I don't think it would even register in CPU usage even at 1.5TH of getworks with the largest asic device currently planned. It's only 375 getworks per second. It takes almost no CPU to generate that many. That's not quite all the processing though. I don't know if you send a target difficulty to the ASIC to work on, but at the moment FPGA's work at difficulty one, don't they? So cgminer has to take these diff 1 nonces and rehash them to find their actual difficulty, and compare them to the target. If ASICs don't have a settable target, it could add quite a bit more of a load to the CPU. |
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1011
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Bitcoin / Hardware / Re: Set-up to run up to 25 ASIC units
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on: December 07, 2012, 08:08:38 PM
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What ever happened to your e3000? I thought you were using that to mine?
I'm not entirely convinced it'll be fast enough for ASICs, maybe it would be... either way, I updated the firmware and put the wrong one on and bricked it :/ Tried the serial recovery... not working either. Ouch! Sorry to hear that, as your thread was my inspiration! Nice! That's certainly a lot more powerful then the router, at least 2x the CPU speed 8x the memory (though that's not so important). It would probably handle a few asics OK. I wanted something a bit more powerful, I'll have 240GH/s when the asics arrive, also want to run a full bitcoin node, and probably use it as a media / backup server since it'll always be on. |
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1012
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Bitcoin / Hardware / Re: Set-up to run up to 25 ASIC units
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on: December 07, 2012, 07:48:02 PM
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What ever happened to your e3000? I thought you were using that to mine?
I'm not entirely convinced it'll be fast enough for ASICs, maybe it would be... either way, I updated the firmware and put the wrong one on and bricked it :/ Tried the serial recovery... not working either. |
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1013
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Bitcoin / Hardware / Re: Set-up to run up to 25 ASIC units
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on: December 07, 2012, 07:38:21 PM
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Gaah! I've been looking for a nice low power simple and cheap nettop type PC to run my FPGAs and ASICs (if/when they arrive), but they all seem to be 19v supply. Which is terribly inconvenient when I have my nice efficient ATX PSU sitting right there delivering a juicy 12v. The only 12v ones are over-priced (imo) and not well spec'ed compared to the 19v ones available. Guess I'll have to use the power brick  |
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1020
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Bitcoin / Pools / Re: [2000 GH/s] EMC: No Fee/PPS/DGM/Dwolla/SMS/2FA/GBT/Stratum/Vardiff
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on: December 01, 2012, 09:26:21 PM
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I'm looking at your account and I see a balance of 0.57876095 and an unconfirmed balance of 0.79962099 ... which seems right in line with what it should be. You seem to be cycling through as one would expect on blocks.
Could you elaborate on exactly what you're seeing? Maybe there's a display error somehow?
Worst case, email or PM me your password and I will login and as you and check it out.
It's probably alright, just it was odd to see 11 hours of no confirmed blocks added to the confirmed amount. So I received a payment at 2012-11-29 21:45:02, which would have cleared the confirmed balance The next morning, at about 9am, the confirmed balance still showed 0. Maybe though that time coincided with a long round(s) and no blocks were confirmed in that time? |
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