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Cryptocoin Mining?

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blastingcap said:
Not necessarily disagreeing, but in these kinds of speculative bubbles, past behavior doesn't necessarily mean anything about future behavior. For example, even if bitcoins go above the low 30s again, it may take so long to do so (decades or longer) that selling at $32 would have been quite fine to do so.

Some people are known True Believers so take whatever they say with a grain of salt... if bitcoin were to go to $.00000001 they would still be mining and buying. 🙂
Click to expand...

Can't disagree. If I had a way of knowing it would crash, even if it's a temporary crash, i'd have been much better off selling my coins @$12 and buying back in after the crash.
 
SickBeast said:
You need to put heatsinks on the vrms. You will damage your card at those temps.
Click to expand...

My cooling is covered, I've been doing this a while. When games only take the heat sink covered, actively cooled vrms to 50C, overclocked and under full load, but mining takes them to 100C +, it's something else all together.
 
Afterburner stopped working for adjusting memory speeds, again. Am I the only one?

I'm running Cat 12.6 on a 7950 and I've tried Afterburner 2.2.1 and 2.2.3. If I adjust in afterburner to 625mhz, afterburner still reads 1250mhz. CCC seems to still adjust well below 1250 so it's an afterburner only issue. ATI Tray Tools crashes on me too much so I can't use it.
 
Binky said:
Afterburner stopped working for adjusting memory speeds, again. Am I the only one?

I'm running Cat 12.6 on a 7950 and I've tried Afterburner 2.2.1 and 2.2.3. If I adjust in afterburner to 625mhz, afterburner still reads 1250mhz. CCC seems to still adjust well below 1250 so it's an afterburner only issue. ATI Tray Tools crashes on me too much so I can't use it.
Click to expand...

It was the same for me, now I just have to figure out what I did to get it to stick at 685 (lowest for me).
 
SickBeast said:
The price has gone back up to nearly $10. This is good news. When do you guys usually cash out? Is $10 considered pretty good?
Click to expand...

WhoBeDaPlaya said:
I was waiting for it to hit $15 🙁
Click to expand...

I usually just sell as it's going up. I don't wait for any particular price. I sell small amounts of coin though. Right now is a little different since we know it hit $15 and it was stable at $12. I have my coins sitting at $12.15 atm. The price will go up after this BTC S&T fallout clears.
 
Madpacket said:
Just use CGminer to adjust the memory speeds.
Click to expand...
I'm running cgminer on two machines under Win7. I haven't worked a lot with the memory speeds function, but what I did try did not work. It didn't seem to change the speeds at all on either the 7950 or the 6950.
 
For windows I use MSI Afterburner, was using Sapphire Trixx. For Linux adjusting in CGMiner works, at least for 5xxx and 6xxx series cards.
 
Where are you guys selling your coins nowadays? I used fastcash4bitcoints.com but the site is out of funds now without plans ti add more funds for payouts.
Many wiki entries are no longer current so I guess I'm asking where you sold yours most recently?
 
Rick James Astley said:
Where are you guys selling your coins nowadays? I used fastcash4bitcoints.com but the site is out of funds now without plans ti add more funds for payouts.
Many wiki entries are no longer current so I guess I'm asking where you sold yours most recently?
Click to expand...

Campbx.com > dwolla > bank account
 
I've been selling on mtgox, but getting a dwolla connection from mtgox to dwolla is taking a loooong time. I think I submitted my application 2-3 weeks ago.
 
Have to wait for relatively large USD amounts in MtGox to make wiring money OK on % fee. MtGox's bank charges 2000 JPY (about $25 USD atm) then there are any intermediary charges and whatever your bank charges to receive.
 
Thanks guys.

I've been mining for a few weeks now with two rigs, exclusively on deepbit with a pay per share setting. 7950 is OCed to 1100/1575@1.031v, 5770 running just a tad OC'ed and undervolted. 7950 gets ~570MH/s in guiminer at 99% GPU usage but the deepbit miner stats page fluctuates wildly, anywhere from 400 MH/s to 700MH/s.

With both rigs combined, lately I crunch roughly 1/3 per day. If it isn't obvious by now, I am very new at this so I would appreciate any pointers how to max my efficiency, tia.
 
SickBeast said:
You need to put heatsinks on the vrms. You will damage your card at those temps.
Click to expand...

I think standard lot VRMs are rated at 125*C. I run bitcoin with my card at 87-97*C, depending on the house temperatures. No problems. I would only start worrying if the card is going to 120-125*C VRM consistently. For watercooled cards though, I agree with you that small heatsinks on VRMs are very helpful. They aren't too expensive though.

1) http://www.sidewindercomputers.com/enmofocomu10.html
2) http://www.sidewindercomputers.com/enmofocomohe.html
3) http://www.sidewindercomputers.com/enbcbmlowprf.html
4) http://www.sidewindercomputers.com/enbmfocobgar.html

Lots of options!


Binky said:
Afterburner stopped working for adjusting memory speeds, again. Am I the only one?

I'm running Cat 12.6 on a 7950 and I've tried Afterburner 2.2.1 and 2.2.3. If I adjust in afterburner to 625mhz, afterburner still reads 1250mhz. CCC seems to still adjust well below 1250 so it's an afterburner only issue. ATI Tray Tools crashes on me too much so I can't use it.
Click to expand...

EVERY single time you reinstall after-burner, it automatically overrides the MSIAfterburner.cfg file in the MSI Afterburner folder directly. So you either have to save the Unofficial unlocked MSI Afterburner.cfg file as back-up or manually alter the new .cfg file using the bolded commands via Notepad.

I believe this should do the trick:

[ATIADLHAL]
UnofficialOverclockingMode=2
UnofficialOverclockingEULA=I confirm that I am aware of unofficial overclocking limitations and fully understand that MSI will not provide me any support on

Rick James Astley said:
the deepbit miner stats page fluctuates wildly, anywhere from 400 MH/s to 700MH/s.If it isn't obvious by now, I am very new at this so I would appreciate any pointers how to max my efficiency, tia.
Click to expand...

I tried MTred, Deepbit, Slush's and I find that BTCGuild.com gives me the highest average rate per day from all of those. I just tested Deepbit last night for 24 hours:

0.2735 Deepbit vs. 0.2947 at BTCGuild
 
Last edited:
Rick James Astley said:
Thanks guys.

I've been mining for a few weeks now with two rigs, exclusively on deepbit with a pay per share setting. 7950 is OCed to 1100/1575@1.031v, 5770 running just a tad OC'ed and undervolted. 7950 gets ~570MH/s in guiminer at 99% GPU usage but the deepbit miner stats page fluctuates wildly, anywhere from 400 MH/s to 700MH/s.

With both rigs combined, lately I crunch roughly 1/3 per day. If it isn't obvious by now, I am very new at this so I would appreciate any pointers how to max my efficiency, tia.
Click to expand...
One thing you can do is lower your memory clock while mining. Getting my memory down to 525 while mining lowered my temps quite a bit, so it probably came with a decent drop in power consumption. I haven't tried undervolting the memory at the same time, but I'll give that a shot tonight.

I also had trouble getting the memory to downclock with Afterburner, but setting it any lower than 525MHz in Trixx gets it stuck at 525 max until I readjust the clocks for gaming.

I'm pretty new at this too; I wish I'd started as soon as I got this 7950 because I've only made half a bitcoin so far with overnight mining for a few days.
 
RussianSensation said:
I think standard lot VRMs are rated at 125*C. I run bitcoin with my card at 87-97*C, depending on the house temperatures. No problems. I would only start worrying if the card is going to 120-125*C VRM consistently. For watercooled cards though, I agree with you that small heatsinks on VRMs are very helpful. They aren't too expensive though.

1) http://www.sidewindercomputers.com/enmofocomu10.html
2) http://www.sidewindercomputers.com/enmofocomohe.html
3) http://www.sidewindercomputers.com/enbcbmlowprf.html
4) http://www.sidewindercomputers.com/enbmfocobgar.html

Lots of options!
Click to expand...

Yes those are the heat sinks I use for VRM's and VRAM, and they work great. I can play BF3 for an hour at 1275 MHz at 1.3 V on GPU, 1850 at 1.65 V on VRAM, and the VRM's hover right below 60C. For mining, GPU is at 1150 MHz at 1.125 V, VRAM is at 685 MHz at 1.5 V, and VRM temp is ~85C the entire time. Those temps remain even with an Ultra Kaze 3000 RPM fan at full blast on those heatsinks lol. I guess compute kicks it into overdrive 😀
 
Dropping your mem clocks can save you a good 30-40W.
It also keeps your non-optimal (ie. both cards touching) multi-GPU setup from going nuclear 😵
 
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