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441  Bitcoin / Mining / Re: Max OC speeds on: May 20, 2011, 02:15:29 PM
I don't know if you have your heart set on using Microcenter, but this is a better card from Newegg and will let you overclock better than the one you are looking at:

http://www.newegg.com/Product/Product.aspx?Item=N82E16814121375&cm_re=5850-_-14-121-375-_-Product
442  Bitcoin / Mining / Re: Replacing 1st GPU on an ubuntu mining rig breaks the boot sequence? on: May 19, 2011, 05:45:02 PM
If you are presented with a text-based login prompt:

1. Login as yourself
2. Become root with sudo -i
3. Move the current Xorg configuration file (effectively deleting it, but keeping a spare copy) which will force xorg to create a new one:
   mv /etc/X11/xorg.conf /etc/X11.xorg.conf.save
4. Leave root      exit
5. startx
6. Open a terminal and type sudo aticonfig --initial
7. sudo reboot
8. GDM (the graphical login) should start automatically now.
443  Bitcoin / Pools / Re: [~1000 Gh/s Mining Pool] SSL,INSTANT PAYOUT,+1% with LP,+1% for no failed blocks on: May 19, 2011, 09:44:59 AM
Security Request:

Please change the cookies you are storing to be "session" cookies - they will expire at the end of the browser session instead of at a specific date. This will close a security hole where someone that has access to a person's PC can access and change the bitcoin address without authenticating.
444  Bitcoin / Pools / Re: [~1000 Gh/s Mining Pool] SSL,INSTANT PAYOUT,+1% with LP,+1% for no failed blocks on: May 19, 2011, 09:42:16 AM
I want to transfer an even amount of BTC as I make progress with mining, for example, exactly 20BTC instead of 20.1423423BTC.
445  Bitcoin / Pools / Re: [~1000 Gh/s Mining Pool] SSL,INSTANT PAYOUT,+1% with LP,+1% for no failed blocks on: May 19, 2011, 09:34:43 AM
Feature Request:

On the payments screen (https://deepbit.net/payments), the user should have the option of specifying the amount to be withdrawn. A box with the amount to be withdrawn should default to the total remaining coins, but allow a custom amount to be entered before the instant payout button is selected.
446  Bitcoin / Mining / Re: Any 6990's in stock anywhere? on: May 18, 2011, 05:52:38 PM
Here's a 6990, but it's water cooled:

http://www.newegg.com/Product/Product.aspx?Item=N82E16814131438&cm_re=6990-_-14-131-438-_-Product
447  Bitcoin / Bitcoin Discussion / Re: 135 BTC Stolen from my Deepbit account!!!!!!!! on: May 18, 2011, 03:06:46 PM
FYI - Deepbit has SSL now (HTTPS).
448  Bitcoin / Mining / Any 6990's in stock anywhere? on: May 18, 2011, 12:45:23 PM
I ordered a 6990 from TigerDirect - their website gave no indication that it wasn't in stock until I placed the order and checked the order status - BACKORDERED. I'm pissed because I ordered all the other parts already from another vendor.

Do you know of any company in the US has a 6990 in stock and can ship immediately?

Thanks.
449  Bitcoin / Mining / Re: Mining with different video cards on the same motherboard on: May 18, 2011, 12:34:02 PM
Yes, I'm doing it now.
450  Bitcoin / Mining / Re: I just ruined 4 5870s...!!! on: May 18, 2011, 12:17:10 PM
Put any good video card (buy another cheap one if you have to) in the first slot closest to the CPU. Then put one or more bad cards in the other slots. Use the good card to boot all the way into the operating system and proceed to rework the bad cards.
451  Bitcoin / Pools / Re: [~800 Gh/s Mining Pool] SSL,INSTANT PAYOUT,+1% with LP+0.8% for no failed blocks on: May 18, 2011, 12:12:36 PM
UPDATE:

  • HTTPS/SSL is supported now for improved security

Excellent - great job Tycho!
452  Bitcoin / Mining / The Psychology of Pooled Mining on: May 18, 2011, 12:06:36 PM
I have to admit that when I first started mining (a few weeks ago), I couldn't understand why a lot of people were doing pooled mining instead of going solo. To me, the people using a pool were foolish for giving up a small percentage of their profit.

If I were being completely logical, I would solo mine since that would maximize my profit over time. But after a couple successful blocks, then a long dry spell, I tried pooled mining and LIKED IT. Here's why:

When mining solo, I would wake up in the morning and go down in the basement and check my rig to see if I had solved a block. Most of the time I was disappointed to find nothing and the disappointment just seemed to get worse each day. I would repeat the process when getting home from work - more disappointment.

Then I tried a mining pool (Deepbit). Even though I was giving up a small percentage of my profit, I had the following benefits:

  • Everytime I checked my progress - I could see a little improvement each time. Instead of disappointment each time I checked my progress, I got a little positive reinforcement.
  • When I am at work, I can check my progress and see not only that I am earning money, but also look at my hash rate and be comforted that everything is working properly back home and that none of my cards went belly-up.
  • When I solo mined, I was in constant fear that I would not solve any blocks during the current difficulty level and that it would move to the next level. With pooled mining, I know that I am always making progress and taking advantage of the current difficultly level.
453  Bitcoin / Mining / Re: Caseless mining rigs - Is it advisable? on: May 18, 2011, 11:51:49 AM
bitcoindaddy how did you remove GPU from case? Do you have any cable connected to GPU on motherboard and connected to GPU card outside the case?

I'm not using a case at all. The motherboard is sitting on a rubber mat (rubber floor mat from Home Depot). So not only can I slightly spread the video cards apart for better cooling, the heat tends to go straight up and away, instead of up and into the cards above it as it would be with a case.
454  Bitcoin / Mining / Re: Caseless mining rigs - Is it advisable? on: May 17, 2011, 06:53:05 PM
I can't run my current rig in a case because there is zero space between the video cards - if I screwed them into the case, they wouldn't move. And I want them to move so I can spread them apart slightly with a piece of plastic - it makes all the difference.

My next rig will have a motherboard that allows for space between the cards.
455  Bitcoin / Mining / Re: Windows - Locking Your Computer on: May 16, 2011, 03:08:30 PM
Not if you use a graphical screensaver - it will slow down the mining. Best is a plain black screen.
456  Bitcoin / Bitcoin Discussion / Re: 135 BTC Stolen from my Deepbit account!!!!!!!! on: May 15, 2011, 12:01:29 PM
I recommend Tycho accelerate the installation of an SSL certificate. They can be had for a low as $50 (perhaps cheaper if you shop around) at RapidSSL. Of course, if his server was hacked, this would not have helped. In fact, if his server were hacked, the email confirmation won't help either because they could access the database directly.  Let's hope that was not the case.

Kudos to Tycho for reacting in an honorable manner with regard to his customer's loss.  
457  Bitcoin / Bitcoin Discussion / Re: 135 BTC Stolen from my Deepbit account!!!!!!!! on: May 15, 2011, 02:47:13 AM
Either the email verification is taking a long time - or it's not working.
458  Bitcoin / Mining / Re: Tripple 6990s Minning Help Request on: May 12, 2011, 06:17:06 PM
What are you going to use for a power supply? Three cards will take about 1200 Watts, then add more for the CPU, memory, etc.
459  Bitcoin / Pools / Re: [~540 Gh/s Mining Pool] INSTANT PAYOUT,+1% with LP! +0.8% for no failed blocks! on: May 11, 2011, 10:27:58 AM
I've been trying deepbit.net for a day and I'm getting about 15 Million hash per second LESS with Deepbit than I am with solo mining using DiabloMiner and 3*5850 cards. Should I be concerned?

The miner seems to be spending an awful lot of time doing the "new block" stuff and not hashing. I'm thinking of going back to solo.
460  Bitcoin / Mining / Re: CentOS 5.5 Mining Guide for ATI/poclbm on: May 09, 2011, 10:49:18 PM
Thanks, I was afraid of that. It doesn't look too good on Archlinux either.

I wonder why they don't just offer a statically-linked version of the bitcoin software? That would remove a lot of the compatibility problems.
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