Questions tagged [gpu-mining]

Collects questions about mining setups on basis of GPUs.

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4
votes
2answers
9k views

Better or worse to mine multiple workers on one machine?

The title is quite self-explanatory, really. I use cgminer on Ubuntu 12.10 to mine bitcoins in the 50BTC pool. I have three workers set up. If I run multiple instances of cgminer, each targeted at ...
5
votes
3answers
2k views

Cooling for an XPS 15 (L502x) laptop during Bitcoin Mining

I would like to know exactly where I should put my extra cooling fans around my laptop so that I can more efficiently cool while I mine bitcoins. I realize this is not optimal at the moment, but ...
3
votes
1answer
8k views

Is mining faster with 2 GPUs in crossfire or with 2 PCs with one GPU each?

Is it faster to have 2 separate computers with the same graphics card but different specs, or one computer with 2 GPUs in crossfire? By math, they should perform the same im guessing at the same ...
5
votes
1answer
2k views

Bitcoin mining may reduce the lifespan of my video card?

I'm not using a mining-dedicated videocard, i'm using my only video card (Radeon 6850) and i'm getting around 0.11 btc/24h. My concern is about reducing the lifespan of (or even burning) my video ...
1
vote
0answers
767 views

ATI GPU for mining with display attached to integrated graphics?

I'm running Ubuntu 12.04 and I'd like to attach my monitor to the onboard Intel graphic and have my GPU (ATI 67xx) for mining solely. So far I'm struggling with setting up the ATI GPU. Do I need to ...
3
votes
1answer
3k views

“No more backup pools left. Using primary and starting over.”

I am not using a pool, I am using my graphics cards mining with poclbm over rpc. i do not understand why I get these messages. localhost:8332 15/08/2012 22:40:13, No more backup pools left. Using ...
10
votes
1answer
2k views

Why does merely having Windows Media Player open double my GPU hashrate?

I'm using poclbm to mine under Windows... processor is an AMD A6-3400M with integrated Radeon HD 6250G GPU. When Windows Media Player is closed, I get a rate of 16 megahashes/second, but when it is ...
4
votes
1answer
942 views

Is there any way to install a GPU miner on ubuntu without using the proprietary drivers?

The question pretty much says it all. Any way to install a GPU miner (ATI) without A) Installing fglrx (which is a very bad driver for everyday use, and breaks my dual-monitor setup) B) Installing ...
8
votes
4answers
30k views

Mining behind a proxy and restrictive firewall (only http ports allowed) - possible?

I have a very restrictive firewall with an additional proxy here. Is there a GPU mining tool out there that supports proxy server? The best would be a SSL connection to the mining pool. A long living ...
5
votes
4answers
18k views

Can I use an old Pentium 4 desktop for mining if I upgrade it with a good GPU?

I know that the most important thing for mining is a GPU. I read some stuff about it but I never read a specific answer to this simple question. I have some old desktop computer. Pentium 4 (~1GHz) ...
3
votes
1answer
202 views

Is there a way to set the aggression for the OS X Diablo Minor?

I run the OS X Diablo Minor on my new Macbook. It seems to work well enough and it earns me a few bit-cents each day. The only problem is that I have to cut it off whenever I'm working on the Mac, ...
6
votes
2answers
4k views

When was the first GPU miner made available publicly?

The GPU miners are widely used nowadays, but that wasn't always the case. When was the first GPU mining software made available publicly?
1
vote
1answer
2k views

Radeon HD 6750 running at 120 Mhash/s table shows 167Mhash/s

I'm using guiminer with flags -v -f30 -w128 under windows 7 but all i get is 120Mhash/s thats like 75% of what the table shows. Any idea why is that?
4
votes
2answers
2k views

Help locating bottleneck on new mining rig

I built a mining rig with 3 Radeon 6850 GPUs. When I run one miner (either Phoenix or m0mchil's poclbm) it reports a hash rate of a little over 200 Mhash/sec. When I fire up a second miner pointed ...
9
votes
4answers
5k views

Could the $25/£16 Raspberry Pi computer be used to run mining equipment?

Raspberry Pi $25/£16 PC article I saw this article today and it looks like a really interesting development in budget computing. It's a $25 barebones computer that runs Linux, and can play games ...
6
votes
3answers
5k views

Is it impossible to GPU mine without OpenCL?

I have an Nvidia 7300 GX and want to start mining with it. This card doesn't support OpenCL. Can I still use it for mining? With BitMinter I can only use CPU mining; it doesn't see the Nvidia card. I ...
7
votes
5answers
373 views

What is/Is there the relation between the value of a bitcoin and the prices of video cards?

A significant number of Video Cards (significant investment) are required to reduce the possibility of 51% attacks. What would happen to the price of a Bitcoin if the prices of Video Cards suddenly ...
3
votes
3answers
6k views

How can I participate in a mining pool that is mining Litecoins?

To date I've only participated in mining GPU-optimised crypto currencies. I wondered what happens when I pointed my GPU miner to a Litecoin mining pool worker, Litecoin being designed to be optimised ...
18
votes
4answers
128k views

Can I damage my computer by mining bitcoin?

I have been mining Bitcoin for a while on a few systems, some CPU mining (which has proved to be basically useless) and some GPU mining. The GPU miners are workstations, which have midrange graphics ...
5
votes
2answers
10k views

Bitcoin alternative designed for NVIDIA

Currently the best graphics cards to mine Bitcoins are all AMDs. What should be changed in the Bitcoin protocol to make the alternative version of Bitcoins better mined by NVIDIA graphics cards? Could ...
8
votes
3answers
731 views

Have there been reports of botnets mining Bitcoin / crypto-currencies?

Is the threat of Botnets using massive amounts of CPUs/GPUs to mine Bitcoin, or some CPU-friendly coin, purely theoretical at this point? Or have there been reports of this actually happening? I know ...
35
votes
3answers
49k views

How can I start mining Bitcoin?

Ok. I don't care if I make only a small amount of bitcoins mining. I want to mine. How do I setup my machine (amd x64 4.6Ghz 6GB/RAM with GeForce Nvidia 7300, LinuxMint 10) to start mining? Is it ...
22
votes
2answers
5k views

Could the EC2 infrastructure be used to efficiently launch a 51% attack?

This excellent answer from Serith states that one would need 31150 ATI 5870 graphics cards to launch a 51% attack. Amazon EC2 offers computers for rent for 2.10$ per hour. These instances have 2 x ...
18
votes
5answers
14k views

Will mining significantly increase the power consumption of my PC?

I have a PC that is always on 24/7. I use it as an SSH and backup server, and it has a modest, not-too-great GPU that sits idle most of the time. I hear a lot of talk about mining not being cost-...
4
votes
1answer
12k views

No OpenCL platforms found?

Is it possible to mine with Nvidia Quadro 600? Both GUIMiner and DiabloMiner report that no OpenCL platforms/devices were found. How can I check if GPU has OpenCL?
8
votes
2answers
3k views

What happened to Krad Miner (the first javascript GPU miner)?

Krad Miner was the first javascript miner that supported GPUs. Now, the website yields a 502 error, and there has been no response to post #57 in the thread asking about it being dead. Does anyone ...
8
votes
2answers
8k views

Is it possible to generate bitcoins with a Google Chrome extension?

I just came across Rlweb's Bitcoin Generator, a Chrome extension that claims to be the "first google chrome extension creating Bitcoins". This extension looks quite shady to me, they don't even have ...
1
vote
3answers
904 views

Why is DiabloMiner using so much CPU now?

DiabloMiner uses about one 50% of CPU on my system (distributed among 2 cores). I could have sworn that it used almost no CPU (1-2% max) in older versions, but I'm not really sure if I should report ...
10
votes
3answers
2k views

Why does poclbm acquire 100% CPU?

I recently switched from WinXP32bit to Windows7. While under XP poclbm took about 5% CPU Time of one core, now it uses one core with 100%. Is there a specific reason for that? I now use AMD/ATI ...
9
votes
5answers
5k views

Best GPUs for Mining [closed]

GPU mining is the way to go, as at August 2011, until something better arrives on the market. There are plenty of GPUs out there, but only a handful offer the best performance when comparing total ...