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281  Bitcoin / Mining / Re: Mining at 100 mhash with my 5770.. on: May 22, 2011, 03:52:51 PM
I'm not too familiar with the 57xx series. Have you tried any of the overclocking programs or are you just running the card with the stock speeds?

Do you have other programs running on your computer when you're running the mining software? Make sure you have everything else closed when you try it.
282  Bitcoin / Mining / Re: Mining at 100 mhash with my 5770.. on: May 22, 2011, 03:26:13 PM
Did you try upping the AGGRESSION to 8 10 or 12?
283  Bitcoin / Mining / Re: Newbie needs help building rig on: May 22, 2011, 02:50:49 PM
Your motherboard only has 2 slots to fit those 3 video cards, unless you want to use extender cables.
284  Bitcoin / Mining / Re: What video cards should I get for a new Windows-based mining rig? on: May 22, 2011, 02:41:15 PM
How about linux virtualization?

I'd like to do that because some nontrivial fine motor disability makes me use voice recognition software.

I use cygwin all the time to maintain remote servers.

I just wonder if I'll get the eight GPU benefit of linux in virtualization.

Sorry to hijack the thread.

If you're talking about a Linux virtual machine, no. The OS and drivers must have direct access to the video cards, not through a virtualization layer.
285  Bitcoin / Mining / Re: Started soloing (just wanted to double check with you pros) on: May 22, 2011, 01:12:35 PM
Interesting! I may check the pool script that you have but for the mean time, is that constant: the rpc allow ip setting at 10.10.10.10 etc.? I have around 1,500 Mhash/s and wanted to try solo mining.  Smiley

rpc allow setting is to specify which clients to allow to connect. Most people's home networks are private networks (192.168.x.x or 10.x.x.x) addresses, so yes.
286  Bitcoin / Mining / Re: Comparison of all known pools on: May 22, 2011, 01:06:58 PM
Apparently there is one here http://gbyte.dk/ according to this post http://forum.bitcoin.org/index.php?topic=9331.msg134769#msg134769 though I never saw any official announcement.
287  Bitcoin / Mining / Re: 3 or 4 6990s rig on: May 22, 2011, 01:00:55 PM
@grndzero
first board is what I have @home  Wink

Seems like I have to do the cooling thing within the two slots per graphics.

Either get a case that has fans (more than 1) blowing air toward the fan intakes of the cards or rig/lay some 1 or 2 120mm or 140mm  fans so they are on top of the cards and push air down between them.
288  Bitcoin / Mining / Re: 3 or 4 6990s rig on: May 22, 2011, 12:31:16 PM
OK, I just ordered three 6990. My power supply should handle them with 1200 watt (terse I know)

First I will prove if PCIx8 and PCIx4 slots will work for mining.
If this is no problem I can place the graphics with one slot space between them.

Second test will be placing them together and try cooling them with two big 120 fans above the cards.
I think separating the cards with a spacer will not work in a case.


@bahnfire: I searched for EVGA 4x SLI boards but didn't find one which has 4 PCIx with space for cooling.

Thought of:
-card
-fan
-space
-card
-fan
-space
-card
-fan
-space
-card
-fan

So 10 slots on the mb (PCIx on 1, 4, 7 and 10) and 11 in the case.

You can get 3 cards or 4 with them up against each other with these boards:

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130274
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131667
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131390
http://www.newegg.com/Product/Product.aspx?Item=N82E16813188070

Cases with 8 slots to fit up to 4 cards:

http://www.newegg.com/Product/Product.aspx?Item=N82E16811129092
http://www.newegg.com/Product/Product.aspx?Item=N82E16811112318
http://www.newegg.com/Product/Product.aspx?Item=N82E16811112235
http://www.newegg.com/Product/Product.aspx?Item=N82E16811112240

Case with 10 slots:

http://www.newegg.com/Product/Product.aspx?Item=N82E16811112159

I don't know of any boards that have 11 slots slots, or cases with more than 10 expansion slots.

289  Bitcoin / Mining / Re: 3 or 4 6990s rig on: May 22, 2011, 06:40:16 AM
Hi everyone,
I'm new to this, but I think of building a mining rig with most possible hash/s.

my new mb (MSI 980FXA-GD70) can take up to four PCIe16 graphics boards.
Problem is there is no space between these cards.

Any chance I can handle three or four graphics without water cooing?
Two should be no problem, because there is space for the GPUfans to work.

 

Mine is handling 4 cards. They need spacers to open up the width between cards a bit, fans cranked all the way up and another case fan or 2 above them blowing air down between the cards. And with all the fans running it is very loud with lots of annoying fan noise!
290  Bitcoin / Mining / Re: Newbie needs help building rig on: May 21, 2011, 06:34:06 PM
grndzero : i just donated the free 4 Bcents i got 2 days ago when registering to you cause u sir are wonderfull Smiley. been cracking my head with the same issues with the thread starter and u came to my rescue Smiley. Thanks alot again for your great help.

I know the 0.04 are not much but i hope u can see the gesture Smiley



The gesture is appreciated. Every little bit helps to getting me back to profitable after reinvesting my earning so far. I spend all kinds of time on Newegg and the net looking for ways to make all different types of miners, the least expensive, the fully loaded, the modular, the best upgradeable. Now if I had enough money to buy any of them it would be even better. lol
291  Bitcoin / Mining / Re: What's your magic number? (or, Should I keep mining?) on: May 21, 2011, 06:10:30 PM
1.44 Gh/s 820Watts .092 KW/hr

(1 440 * 233) / (.820 * .092) = 4 447 507.95

So I'm good until the difficulty reaches 4,447,507.95 ?
292  Bitcoin / Mining / Re: Multiple computers on one pool, with minimum network overhead on: May 21, 2011, 05:27:25 PM
I think you're looking for something more like this.

http://forum.bitcoin.org/index.php?topic=5506.0

or http://forum.bitcoin.org/index.php?topic=5210.0
293  Bitcoin / Mining / Re: Mining computer parts list $1200 budget? on: May 21, 2011, 04:59:00 PM
If I were going to start from scratch today knowing what I know now I would go with:

http://secure.newegg.com/WishList/PublicWishDetail.aspx?WishListNumber=17563406

then get 3 or 4 of

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=172018&CatId=3669

It gives an 1MH/s to US$1 or better ratio with 4 cards, the possibility of running 3 cards with 1 slot space between them for cooler operation, or running 4 cards next to each other and the expandability to run better cards later.
294  Bitcoin / Mining / Re: Newbie needs help building rig on: May 21, 2011, 03:31:56 PM
Yup I just saw his tread and in fact I'm pretty interested in his idea of starting a business revolving around Bitcoin in the region. I'm very close to Malaysia Smiley. Thanks for the reply. I was quite knocked out yesterday haha.

Anyway. the Foxconn MOBO would be the first I saw? The $45 one that I first mentioned?

Yes
295  Bitcoin / Mining / Re: Newbie needs help building rig on: May 21, 2011, 03:16:52 PM
You should talk to the person on this thread also. http://forum.bitcoin.org/index.php?topic=9194.0 He says he's in Malaysia and seems to know about the computer parts market in that area.
296  Bitcoin / Mining / Re: Newbie needs help building rig on: May 21, 2011, 03:09:54 PM

hmm which MOBO are u guys talking about? The cheapass one? Cuz I'm trying to drive down the investment for the rig. other than the gfx card. which I already planned on investing in the first place. The rest of the stuff I wanna get as cheap as possible.

My question now is how many PCIe should I try to get cuz I could expand with maybe 5850s for the rig. but is it worth the increase cost of the MOBO and PSU or is it just cheaper to get another cheapass rig

Yes, he said the Foxconn board will support Sempron processors.

A more expensive board and better power supply up front will always be less expensive than another board, cpu, ram, power supply, and possibly another case to build another rig later.
297  Bitcoin / Pools / Re: BTC Guild - 0% Fee Mining Pool (Long polling, JSON API) [~100 gH/sec] on: May 21, 2011, 02:43:51 PM
Pool is back up.  I have an idea of what may have caused it.

I also added a watchdog monitor to the pool processes, and added the pool & bitcoind processes as startup scripts so the server should auto recover in less than 20 seconds if it does happen again.

Not sure about yours but my cron is set to run cron.daily at 0625. Something in the cron process freaking out the system? Was it a fresh install when you moved to the new hardware, or did you copy the current system across? Maybe looking for something that's not there anymore or moved?
298  Other / Obsolete (selling) / Re: WTS Saphire 6990 on: May 21, 2011, 02:21:50 PM
caveat emptor
299  Bitcoin / Pools / Re: BTC Guild - 0% Fee Mining Pool (Long polling, JSON API) [~100 gH/sec] on: May 21, 2011, 01:58:22 PM
pool down again :<

[21/05/2011 06:42:52] LP: New work pushed
[21/05/2011 06:43:04] Warning: work queue empty, miner is idle
[21/05/2011 06:43:22] Disconnected from server

for tracking purposes. Time is GMT-7

It appears the pool is down for everybody...  Happened about this time yesterday too.

Yeah and he didn't have time to debug it yesterday. That's why I posted the log so he would have an idea where to start looking to find out what was going on with the system at that time.
300  Bitcoin / Pools / Re: BTC Guild - 0% Fee Mining Pool (Long polling, JSON API) [~100 gH/sec] on: May 21, 2011, 01:50:56 PM
pool down again :<

[21/05/2011 06:42:52] LP: New work pushed
[21/05/2011 06:43:04] Warning: work queue empty, miner is idle
[21/05/2011 06:43:22] Disconnected from server

for tracking purposes. Time is GMT-7
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