Bitcoin Discussion Thread Part 2

I don't think that's the case. I just sold 3x Dirt3 steam codes on there yesterday. There are plenty of them still going too. As for bitcoins being sold, I'm looking at completed auctions and there are 10 pages worth with about 75% being sold and the other part was just not priced right or was ended by the seller (most likely to sell outside ebay :p)

BTW. btcguild does that, nothing to worry about, it's still in your btcguild account.

Bitcoin auctions are against the rules on Ebay.

However, lots and lots of things are against the rules on ebay, so Ebay doesn't catch them all. If you were to report all of the current Bitcoin auctions on ebay for rule violations, every one of them would be removed. If the people holding the auctions put them back up and they got reported again, their accounts would very quickly end up getting banned.

So, people are now getting away with Bitcoin auctions on ebay because nobody is bothering to report most of them.

Those Dirt steam codes you mentioned are against the rules too. Here's the relevant policy: http://pages.ebay.com/help/policies/downloadable.html Basically, you CAN put things like bitcoins and digital downloads on ebay... but you have to sell them in the Classified Ads section, where it costs $10 to post but it doesn't do any good because there's no way to complete the auctions through ebay. It's like putting an ad up on craiglist. People can email you and the two of you arrange to complete the transaction on your own.
 
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Ah, okay, that rule seems pretty crazy but I'd guess it is to prevent ppl abusing the paypal "i didn't get my crap so refund all my money and screw the seller" policy even moreso that it already is lol.

On a more positive note.. I now have 1536 shaders :D
 
got my little laptop chuggin away at 25 M/hash lol, now to start looking at what's left from my GPU farming days to crank out some good points at home...
 
got my little laptop chuggin away at 25 M/hash lol, now to start looking at what's left from my GPU farming days to crank out some good points at home...

Just be sure to keep that lappy cool, mining can add a lot of heat!
 
Just did my first payout from BTCGuild to Mt.gox and then Dwolla. $145 for ~9 BTC. :)

Not bad that I've been mining since the 16th on one 6970, just added another last week, and I've had a lot of downtime (the computer locks up occasionally, and I can't figure out why).
 
Just did my first payout from BTCGuild to Mt.gox and then Dwolla. $145 for ~9 BTC. :)

Not bad that I've been mining since the 16th on one 6970, just added another last week, and I've had a lot of downtime (the computer locks up occasionally, and I can't figure out why).

have you tuned off gpu acceleration in fash and your move players?
 
So I've got my rig up and running and every night it seems like it reboots or something. Last night I lost 4 hours. I couldn't really find anything in the event log either. It's really strange. It's a simple rig with nothing but the cpu, mobo, ram, vid card and hdd... and psu, which is plenty adequate. It's the new revision of the corsair tx650.
 
So I've got my rig up and running and every night it seems like it reboots or something. Last night I lost 4 hours. I couldn't really find anything in the event log either. It's really strange. It's a simple rig with nothing but the cpu, mobo, ram, vid card and hdd... and psu, which is plenty adequate. It's the new revision of the corsair tx650.
Could be heat/power tripping bios to reset.
 
have you tuned off gpu acceleration in fash and your move players?
It doesn't help, I have 6970s. I just use my spare for any videos/websurfing.

So I've got my rig up and running and every night it seems like it reboots or something. Last night I lost 4 hours. I couldn't really find anything in the event log either. It's really strange. It's a simple rig with nothing but the cpu, mobo, ram, vid card and hdd... and psu, which is plenty adequate. It's the new revision of the corsair tx650.
This is the same thing that's happening for me. Windows doesn't throw any particular errors or anything, just says the system shut down unexpectedly.

Could be heat/power tripping bios to reset.
Well, everything is under water, temps never exceeding 50°C on the first GPU and 42°C on the second.

Power is measured at 560w from the wall using a Kill-a-Watt. Was 670w from the wall before downclocking the vRAM to 340MHz (any lower and I lose Mhash/s).

Now that I think about it, it may be my voltage regulator tripping. It supposedly has a 500w limit, though it ran my last system that pulled 850w from the wall, but it's the only thing I can think of. Maybe it doesn't like that it's pulling that amount of power constantly. Hmmm.
 
This is the same thing that's happening for me. Windows doesn't throw any particular errors or anything, just says the system shut down unexpectedly.

I don't even think I had that. It's weird. Could've been updates. I did see the little green "updates were installed" shield though.

Have to look again tonight, had no time this morning.
 
Mine was doing pretty much the same thing. Run all day and then shutdown in the middle of the night. I thought it was the gpu overclocks but turned out to be a bad memory stick after a few hours of troubleshooting. I'm actually doing better than I was before.
 
I moved my miners out to the garage yesterday because without central air the AC wasn't able to keep the basement cool. With folding I keep my farm inside and shutdown in the summer because of electricity cost but since mining covers the electricity, I needed a new location. I had to pull 30m of Cat5 underground through some conduit that had been thoughtfully pre-installed and then re-terminate it to get an internet connection out there. It's a detached and un-insulated grage/storage/work space so I ended up hanging my boxen from the ceiling on shelves. I put a switch up there and a power bar and use VNC to keep an eye on them. It's nice having them out of the way but it is pretty hot up there so I had to twist tie four 2000+rpm 120mm fans around each GPU stack. I can put a 120mm fan pulling directly out of the cards exhausts because I don't use dummy plugs and instead VNC in and tell windows to pretend there is a monitor on each cards VGA output. The cards still hit 80C with the fans at 70% because the air temp is 35C+ at that height and with no air circulation in the building. I think I will add a small box fan to get some air from near the floor up to them. There are two towers, one is a striped down Lian Li PC-A05 and the other is a small Antec mid tower. Each has 3 GPU's all squished together on old high-end EVGA motherboards left over from folding. The short Lian Li has two 5830's with a 6850 sandwiched in between on a Thermaltake 750W PSU. The Antec tower has an unlocked 6950, a 5850 and a 5830 from top to bottom on a crappy Nexus 1100W gold unit. Altogether it is about 1.7Ghash and probably works out to a bit over a kilowatt. I might purpose build a 4x5770 rig now I have the heat taken care of and I'm off school for the summer but I have to check over if it's even feasible with the price staying under $20.
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I moved my miners out to the garage yesterday because without central air the AC wasn't able to keep the basement cool. With folding I keep my farm inside and shutdown in the summer because of electricity cost but since mining covers the electricity, I needed a new location. I had to pull 30m of Cat5 underground through some conduit that had been thoughtfully pre-installed and then re-terminate it to get an internet connection out there. It's a detached and un-insulated grage/storage/work space so I ended up hanging my boxen from the ceiling on shelves. I put a switch up there and a power bar and use VNC to keep an eye on them. It's nice having them out of the way but it is pretty hot up there so I had to twist tie four 2000+rpm 120mm fans around each GPU stack. I can put a 120mm fan pulling directly out of the cards exhausts because I don't use dummy plugs and instead VNC in and tell windows to pretend there is a monitor on each cards VGA output. The cards still hit 80C with the fans at 70% because the air temp is 35C+ at that height and with no air circulation in the building. I think I will add a small box fan to get some air from near the floor up to them. There are two towers, one is a striped down Lian Li PC-A05 and the other is a small Antec mid tower. Each has 3 GPU's all squished together on old high-end EVGA motherboards left over from folding. The short Lian Li has two 5830's with a 6850 sandwiched in between on a Thermaltake 750W PSU. The Antec tower has an unlocked 6950, a 5850 and a 5830 from top to bottom on a crappy Nexus 1100W gold unit. Altogether it is about 1.7Ghash and probably works out to a bit over a kilowatt. I might purpose build a 4x5770 rig now I have the heat taken care of and I'm off school for the summer but I have to check over if it's even feasible with the price staying under $20.
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i would probably have them on a table next to a window to help with cooling and outside the case itself. i have 3 mining boxs downstairs in basement and can say its not cool anymore down there

Jen
 
It doesn't matter what btcguild server I'm using right? Does everyone attribute to the same pool?
 
I have a random question to ask since I haven't actually started mining yet. Regarding buying and selling coins on MtGox or TradeHill, if I buy 10 BTC, do they go straight to my wallet, or are they kept in my MtGox/Trade Hill account.

I guess my question is, if I buy BTC through one market, can I sell it on another?
 
I have a random question to ask since I haven't actually started mining yet. Regarding buying and selling coins on MtGox or TradeHill, if I buy 10 BTC, do they go straight to my wallet, or are they kept in my MtGox/Trade Hill account.

I guess my question is, if I buy BTC through one market, can I sell it on another?

The BTC stays in MTgox or TH. You can then transfer it to your wallet and then to another place or you can resell them in the same market. Same goes for selling coins. You sell at mtgox and the money stays in there unless you transfer it out to dwolla.
 
The BTC stays in MTgox or TH. You can then transfer it to your wallet and then to another place or you can resell them in the same market. Same goes for selling coins. You sell at mtgox and the money stays in there unless you transfer it out to dwolla.

Thanks. So essentially it's a 2 step process. Buy from market THEN transfer from market to wallet. Now what is this dwolla?
 
You can then transfer it to your wallet and then to another place...

Transferring to your wallet is completely unnecessary if you just want to move the coins somewhere else. If you're moving coins from one exchange to another, just withdraw from one as you deposit into the other.

If you're not dealing with a ton of coins and mining on a pool like BTC Guild, you really don't even need a wallet.
 
Thanks. So essentially it's a 2 step process. Buy from market THEN transfer from market to wallet. Now what is this dwolla?

Dwolla is sort of like Paypal. You can transfer funds to/from mtgox and then from dwolla you can transfer to your bank acct.
 
Transferring to your wallet is completely unnecessary if you just want to move the coins somewhere else. If you're moving coins from one exchange to another, just withdraw from one as you deposit into the other.

If you're not dealing with a ton of coins and mining on a pool like BTC Guild, you really don't even need a wallet.

Dwolla is sort of like Paypal. You can transfer funds to/from mtgox and then from dwolla you can transfer to your bank acct.

Thank you both for the clarification. While I don't have the proper hardware (yet!) to mine, it's the economics that interests me the most.
 
Stupid Internet connection is messed up, have lost 3 days to this.
When is the next difficulty increase?
@Lorien - 5870, running at 960 core/325 memory. Getting ~411MH/s with your tweaks, thanks.
 
Stupid Internet connection is messed up, have lost 3 days to this.
When is the next difficulty increase?
@Lorien - 5870, running at 960 core/325 memory. Getting ~411MH/s with your tweaks, thanks.

Nice and np. At those clocks though you should be in the 420MH/s range. Try using WORKSIZE=256 see if that helps.
 
Do you guys think we've reached a plateau with the difficulty increases? I read recently that the next one is only expected to be ~3%. There hasn't been too many new miners in the last ~10 days.
 
AFAIK the difficulty is still going up, just not as fast as it was the last month or so.
 
So computer didn't reboot last night, but the btcguild server I was using did go down. Guess I need to setup a backup now.
 
So computer didn't reboot last night, but the btcguild server I was using did go down. Guess I need to setup a backup now.

were you using the uk one? I was and lost a nights work :(

You can set up a backup, at least in GUIMiner by setting up two workers and having one have a lower Aggression or higher f value than your main worker. That way if the main goes down you can "fall back" to the other one automagically. <-- what I should have done lol
 
were you using the uk one? I was and lost a nights work :(

You can set up a backup, at least in GUIMiner by setting up two workers and having one have a lower Aggression or higher f value than your main worker. That way if the main goes down you can "fall back" to the other one automagically. <-- what I should have done lol

You need a way to have Nagios alert you if it's not mining for whatever reason. :p
 
You need a way to have Nagios alert you if it's not mining for whatever reason. :p

heh, yeah, but even though I was donating and should've gotten idle warnings (I prolly did actually-haven't thought to check) I was asleep and so would have never saw the emails :p
 
in about another 2 weeks my mining operation will be paid off. Do i start enjoying the profits or invest in more mining hardware? That's the big question lol.
 
in about another 2 weeks my mining operation will be paid off. Do i start enjoying the profits or invest in more mining hardware? That's the big question lol.

Enjoy the profits of course :D Buy some games to play on that hardware for a few hours!
 
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