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3721  Bitcoin / Bitcoin Discussion / Re: Pre-order Bitcoin Magazine - Finalizing proofs for first issue on: April 10, 2012, 03:58:50 AM
The fuck did I just looked at?
http://en.wikipedia.org/wiki/Space-cadet_keyboard
3722  Other / CPU/GPU Bitcoin mining hardware / Re: Mining rig extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] on: April 10, 2012, 03:55:13 AM
Its only 17 by 41 inches.  One of the key features of this tray is its flexibility.  The placement of all the floor "beams" are adjustable (horizontally), along with the vertical placement of the PCI and extra GPU support beams.  Plus all manor of hardware can be attached to all of those t-slots.   Grin

Why not simply bolt all ground connections to this aluminum frame? It probably sports lower resistance than traditional power cables. Only relatively short stub ground cables would go to the graphics cards, and, of course, the conventional +12V cables.

Thoughts?
I've been considering that. Not exactly sure how well the angle connectors will conduct current though, some seem to be plastic, and others are bolted with a metal connector. It would suck to have the slightest loose connection, which is why I was considering copper busbar.

BTW, I could use some help in determining the correct sizing of the bus bar, as well as the best way to attach things to it. Each PSU is good for 200 amps, and there probably won't be more than 4 of them (or 5 at the most), so 800 to 1000 amps at 12 vdc. I can use crimp connectors on the 6 AWG wire, and then bolt the connectors to the bus with copper bolts, but how should I connect the dozens of little 16-18 AWG wires that go to the 6/8-pin connectors? Perhaps each connector could have its of pair of bolts, and each bolt gets 3 conductors using ring terminals? Like so:

        ===X==*=*=*=*==X==*=*=*=*==X==*=*=*=*==X==*=*=*=*==X===

= is Busbar
X is large power terminal
* is small load terminal

Also, I have been in contact with Advantech about getting a VT-d capable host board, but it will run me about a grand, including the Xeon E3-1225 and 8 GB of RAM . Sad has anyone been able to test the "multiple x sessions" theory to see if it would work for many video cards (instead of VT-d)? I think an earlier poster mentioned that they were going to test it, but I'm not sure who and whether it ever happened.
3723  Bitcoin / Bitcoin Discussion / Re: Pre-order Bitcoin Magazine - Finalizing proofs for first issue on: April 10, 2012, 03:40:51 AM
I am aware of the accents in résumé. I was simply too lazy to go look up the ALT code to type them.

ALT + 0233

That's only because you don't have a proper latin keyboard...

Agreed.
Like this? Grin Click it and zoom in for the full effect...

3724  Other / Meta / Re: What happened to https://bitcointalk.org? on: April 10, 2012, 03:24:26 AM
If the https:// is crossed out and in red, there is a SERIOUS problem. Click the lock icon and tell us more. However, if it's grey, it's okay.
+1, not sure what OP was seeing. Here are some screenshots to make the "external images" thing clear:



When I connect to my router, for example, it shows the red crossed out HTTPS because the router has an invalid self generated certificate.

One other reason I think it could show up potentially in your case is if you use OpenDNS or similar - when OpenDNS blocks some HTTPS content, the certificate is invalid because it is for the OpenDNS domain, and not the domain that was expected by the browser when fetching the resource. That could be what is happening to you.
3725  Bitcoin / Bitcoin Discussion / Re: [ANN] A public company will build a huge Bitcoin Mining Operation (ASIC). on: April 10, 2012, 02:57:44 AM
Why all the closed door stuff? Isn't it about time that someone --ANYONE-- were a little more open about things like this? When I hear things like FPGA and ASIC, things that spring to mind are insanities such as multi-thousand dollar costs for nothing more than a bit of software that can make the things work, engineering fees that far exceed the cost of the time and materials expended, and on and on and on. It is a pathetic shame that the industry has such a strangle hold on the hardware development that every detail must be kept under wraps.

A prime, shining example of a useful open hardware design is that of OpenSPARC T1/T2 - relatively modern processors with a completely open architecture (http://www.opensparc.net/). Take also for example the kernels used for video card mining - open source. Many minds can find optimizations that may never have been considered before, and everyone benefits. Even if you refuse to share your IP, there is no reason to be secretive about the other plans, since there isn't a whole lot anyone can do without both the IP and the investment money.
3726  Other / Meta / Re: What happened to https://bitcointalk.org? on: April 09, 2012, 07:00:36 PM
my just got fixed with green https://

i didn't do a thing....
You went to a different page....
3727  Economy / Goods / Re: CANDY for your BITCOINS on: April 09, 2012, 06:56:58 PM
Got my candy! Yay!!!!!!

Thanks +1
Me too!
This is half of it, since the other half had to be ordered and will ship soon:


Grin
3728  Bitcoin / Project Development / Re: GLBSE - TOS Discussion Thread. on: April 09, 2012, 05:31:55 PM
Or GLBSE should eat the loss, since Goat is an unreasonable customer.
FTFY
3729  Bitcoin / Bitcoin Discussion / Re: Pre-order Bitcoin Magazine - Finalizing proofs for first issue on: April 09, 2012, 05:30:01 PM
Oh god I laughed so hard. Great work Phin.
3730  Bitcoin / Pools / Re: [360GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 09, 2012, 05:28:43 PM
I was talking about the balance on the bitcoin wallet that bitcoind is running from.  Since you can't run the wallet simultaneously, the only way to find the balance is to stop mining briefly and open up the wallet.  If the p2pool occasionally showed the balance of the wallet in it's output this wouldn't be an issue.  Of course, I learned about the -a option later which makes this obsolete, maybe some people don't run with -a for various reasons and would like to know their balance with stopping the miners and bitcoind?
FYI,you can send commands to a running bitcoind instance from another window. It is annoying that it doesn't just log to stdout or else fork to the background by default, but since it doesn't, just open a new command window and run the commands to access bitcoind as usual, and the one that you run will talk to the already-running instance and send you the data.

So, to get information about the currently running instance of bitcoind, just open a new command window and type 'bitcoind getinfo' (no quotes) and it will start a new instance of bitcoind that talks to the running instance and will spit out the requested information.

Although I haven't tested it, I hear it should be possible to tell the GUI to talk to a running bitcoind as well, but I don't what arguments that would require.
3731  Bitcoin / Bitcoin Technical Support / Re: MTGox Green Address Withdraw time on: April 09, 2012, 04:14:21 PM
I have seen that option on MtGox as well. I'm kinda curious what Green Address means.
It means it is sent from one specific address that is known to be theirs, and therefore can be trusted with zero confirmations.
Actually it's NOT known to be theirs. Do you see it mentioned somewhere on the site ?
I was explaining the general concept of a green address, not whether it is accurately used in this case. I assume there is an API call available that will confirm this though.
3732  Bitcoin / Pools / Re: [360GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 09, 2012, 04:09:47 PM
If you use the -a option, you can have p2pool mine to an offline address or to an address on a secured computer. You only need one instance of bitcoind and p2pool on a central computer, and once it is set up you can point all your nodes at it in the same way that you set up a pool. The central computer's bitcoind doesn't need to hold any bitcoins at all, and the wallet can be empty.

If your P2Pool node finds a block are the transactions fees then put into node wallet.dat or the -a address?
I believe it is correct that they are split to all the miners, and therefore would go to the -a address.
3733  Bitcoin / Pools / Re: [360GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 09, 2012, 03:58:12 PM
If you use the -a option, you can have p2pool mine to an offline address or to an address on a secured computer. You only need one instance of bitcoind and p2pool on a central computer, and once it is set up you can point all your nodes at it in the same way that you set up a pool. The central computer's bitcoind doesn't need to hold any bitcoins at all, and the wallet can be empty.
3734  Economy / Computer hardware / Re: [WTS] Reference 5850 - new thermal paste on: April 09, 2012, 03:31:56 PM
Bumping. Will probably end this tuesday (tomorrow).
3735  Bitcoin / Pools / Re: [360GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool on: April 09, 2012, 03:01:16 PM
I might note that it isn't totally clear that the python and twisted packages aren't necessary for the Windows users that wish to use the compiled binary. It might be good to make a note that those packages are only necessary if you are running the python script manually.

I was going to work on a NSIS based installer, but I abandoned that because it would be better if forrestv created it. There are a number of different ways that it could be installed, and I am not good at creating the script so that it will be foolproof.

For new users, it also might be handy to have it pause and say
Code:
P2Pool has now finished initializing, and is ready to provide work.
Please point your miner to <ip address>:9332
after opening the port on your firewall.
or something similar to that.
3736  Economy / Marketplace / Re: BFL Single Order Date/Ship Date on: April 09, 2012, 01:36:16 PM
I think they've said that there won't be a "new single", but that will probably go in one of the multi-device rigs. Hmmm, wonder if we can have it as an aftermarket option? Grin
3737  Other / Off-topic / Re: Mini Rig announcement by Butterfly Labs - 25gh/s on: April 09, 2012, 01:26:21 PM
Still I agree the airflow seems .... inefficient (I am trying to be more nice).

Hi D&T,

Can you arrange the boards within the enclosure to make the airflow more efficient and share it with BFL?

Thanks,
gigavps
I believe I could. Much larger heatsinks, (perhaps the height of where the individual fan would be if removed) and toss the individual fan on top of each "super single" (I like that term Grin). Same cross-ways fan arrangement, but less turbulence and localized heating. The case fans may need to be a little higher velocity.

I went and looked at the dimensions in the first post, and it looks like in its current form it will take up 7U of rack height, but it is 10 inches wide which would make it a tight squeeze to get 2 of them beside each other in a standard 19" rack. Perhaps it would be best to ignore potential improvements here though, because I don't want to delay anything by causing a redesign halfway through. However, for the future SuperComputer, if it isn't watercooled, the best thing to do would be to make it fit in a rack as best as possible. That could mean specially ducted airflow, offset processors (to prevent waste heat from cooking another processor), standard width, (no shelf needed), and no more than 4U height.

Take for example a 2U server with quad 90 watt processors: They have fairly large heatsinks, and none of them are in line with each other. Although these might have to be stacked several deep, an offset arrangement would prevent the heat from travelling linearly as it does now, cooking the rear devices.
3738  Bitcoin / Bitcoin Technical Support / Re: MTGox Green Address Withdraw time on: April 09, 2012, 12:59:47 PM
So was it deducted from your account balance, and shows in the transaction list?
3739  Economy / Marketplace / Re: BFL Single Order Date/Ship Date on: April 09, 2012, 12:52:00 PM
I'd very much like to get these guys with water blocks  Roll Eyes

Yeah those are totally sexy. Wonder how many I could stack up with a parallel loop.
3740  Other / Off-topic / Re: Cunicula is trying to debase the very core values of Bitcoin on: April 09, 2012, 03:21:30 AM
I disagree.

I have seen  more than a few True Believers go down with the ship when they could have just stepped out of the bathtub. Good luck with all that.
Surely, and I will say that I am far from being such a True Believer, but the combination of

  • Evading answering of reasoned arguments
  • Trollish sounding postings repeated with little to no variation
  • Juvenile attitude

Are just a few of the things that goaded me into posting this. I wish to provide a thread to discuss this so that other threads don't have to suffer from the back-and-forth hate that inevitably ensues when this user jumps in. As an aside, the title was going to be "Cunicula is a whining bitch", but that would have done nothing to further the discussion legitimately. I wish to present a way of arguing that may very well be new to this user, namely that it is possible to have a reasoned discussion without the childish attacks and derailing.
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