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1  Bitcoin / Mining / Cheap board and CPU for 3 GPU's? on: June 04, 2011, 08:03:16 PM
I'm looking for some recommendations for a cheap motherboard and cpu combination to use with my three 5870's. AMD or intel is fine. I would also be open to suggestions for a two card setup as I may get another card and run two seperate mining computers.

As things are I'm hoping to move the three cards I have out of my main computer and into one or two dedicated mining rigs. I could just do with a bit of advice on what is the minimum i need cpu wise to power three cards and what would be a good motherboard to go with it. I can manage sorting out the rest of the stuff like power supply and memory etc.

I have a spare i7 920, asus P6X58D Premium motherboard and 6gb of corsair dominator sat to one side after recently upgrading my main everyday use rig. I figured by selling all of this I should be able to purchase a CPU, motherboard, memory, PSU and maybe a hard drive second hand to fit my requirements. This would leave me with a small amount of cash to spend on a case, some fans and any other little bits I might need.

I could make a rig out of the i7 bits I have but would need to spend more money this way to get it up and running. And would probably be over kill for what I need.

2  Bitcoin / Bitcoin Technical Support / PCIe x1 bandwidth ok? on: May 26, 2011, 07:07:46 PM
On my Asus P8Z68-V pro it has three PCIe slots running at x16, x8, x4.

From what I have been told, on other forums, if I put three cards in this board the lanes will run at x8, x1, x1. Is this correct?

Can anyone clarify if this is how it will run and if so will this be adequate for mining. I know running at x4 doesn't really affect mining but is x1 taking it a bit too far?

3  Other / Meta / E-mail still visible? on: May 23, 2011, 11:57:27 PM
I've ticked the box in my account to hide my E-mail from the public yet when I go to view my profile it is still visible. It can also still be seen next to my avatar in threads that I have posted.

Is this only visible to me because it is my account or can everyone else still see my e-mail or is there something I'm missing?
4  Bitcoin / Mining / Two pools or one? on: May 22, 2011, 07:36:22 PM
If I had two 5870's, mining 24/7 at about 350 Mhash/s each, what do people feel would be the better mining option?

A) Pick a pool and have both GPU's mining in the same pool constantly.

B) Pick 2 pools and have one GPU mining in each pool constantly.

C) Solo mining.

From what I read using pools in some way would be better than solo mining for the amount of Mhash/s I will be able to utilise (correct me if I'm wrong). I personaly was going to go with option B as I felt mining from two pools would help compensate for either pool having any unexpected down time or one pool having a bad day for whatever reason.

Any thoughts?
5  Bitcoin / Mining / Two 5870's or one 5970? on: May 20, 2011, 12:14:11 AM
Should I get two 5870's or one 5970?

I'm trying to decide what to do. I can Either get two non reference 5870's or one 5970. Either setup will initialy cost me exactly the same (£250). The 5970 will use less watts but the 5870's will be quiter.

I have the computer in my room and have it mining 24/7. I'm leaning more towards the non reference 5870's so that I might actually be able to get to sleep at night. Would the 5970 be unbearable. Does anyone have one who could comment?
6  Bitcoin / Bitcoin Technical Support / Will this work? on: May 19, 2011, 08:55:57 PM
I currently own a 3-way SLI/Crossfirex capable board (LGA1366) with a GTX 570 TFIII installed.

I want to keep the 570 for gaming and install 2 5870's purely for mining. Is this possible?

I was going to install the 5870's and the most current driver as well as install the relavant SDK package. Then I thought as long as I have a dummy connector in each card I should hopefully be good to go?

I'm currently, succesfully, using GUIminer with my 570 (I know its not ideal but I wanted to get everything setup and working before I bought more hardware to mine with). GUIminer has the option to select different GPU's so as far as I understand as long as I do what I have stated above I should be able to run each 5870 as a seperate miner and use my 570 seperately for gaming. I probably game and mine at the same. My PSU might not be able to manage everything at full load all at once.

Does all this sound correct or am I missing something?

Current system specs:

i7 920
Asus P6X58D premium
MSI GTX 570 Twin frozr III
6GB corsair Dominator 1600MHz
1000w coolermaster PSU
Cooler master HAF 932 case
Crucial 128GB SSD

If all goes well I may eventually replace the 570 with a 6970 or a 6990 to get more mining on the go but for now I can get two 5870's relatively cheap and would like to keep the 570.
7  Bitcoin / Bitcoin Technical Support / I can solo mine but I cant connect to pools (SOLVED) on: May 18, 2011, 11:51:35 PM
I've just got my self set up with GUIminer but I seem to have a problem. I've got my account setup on bitcoins.cz and Ive got it linked to my Mybitcoin account and I have assigned a worker.

I can start up GUIminer and start solo mining with absolutely no problems but when I try to join a pool I get the message "problems communicating with bitcoin rpc"

I have a bitcoin.conf file created with all the rpcusername=, rpcpassword= and rpcallowip= all setup.

Port 8332 is open and both bitcoin and guiminer are allowed through my firewall. Any kind of spyware or peerblock is currently disabled while I try figure this out.

I have tried every pool I can in the list in guiminer apart from the ones where you have to sign up. I've no problem signing up to a pool but I just figured it would be a waste of time untill I can sort this problem out. There a few you dont have to sign up for and I cant connect to any of them.

Any thoughts?
8  Bitcoin / Mining / Struggling to get set up. Help required please on: May 18, 2011, 09:55:23 PM
Hello,

I'm looking to get into mining but I'm a bit stuck at the moment. I have basicaly followed the instrustions on this guide here http://www.newslobster.com/random/how-to-get-started-using-your-gpu-to-mine-for-bitcoins-on-windows but now I seem to be stuck.

Obviously this guide goes on to use poclbm miner. Instead of poclbm i was going to try the diablominer. I've edited the diablominer-windows.l4j file as follows:

#lauch4j runtime config -Xmx16m -Xms16m -Djava.library.path=target\libs\natives\windows -(my username) -(my password)

Problem is when I start the diablominer-windows.exe file it says :

unrecognized option. (my username)
could not start the java virtual machine

The bitcoin.exe file seems to open and connect fine but the deamon one just opens with a black cmd screen and nothing seems to happen.

Im running an i7 920 system with windows 7 64bit and a gtx 570 (270.61 driver) and have installed java 6. I know nvidias gpu's are not the best for mining but I wanted to see if I could get myself up and running before purchasing a hd 6970.

All this batch file editing is quite new to me but I'm learning as I go.

Any help or advice appreciated.
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