Happy to see that you kept CPU mining capability (at least for now). Upped my donation rate.

No, I didn't ask for donations to get one and I don't own one and I have no idea what's required to get one working or optimised. As far as I can tell, by default, it won't even run on cgminer. That said, there is someone who offered to tune "for diablominer and cgminer" who got paid megaBTC to buy one for himself who promised to do so. Having said that, I have yet to see any code for cgminer out of it...

At the moment I don't even have a machine that can mine on GPU. Eventually should nothing come from an outside source, I will do the work myself to get 79xx working.

I had a scantime of 8 secs on all my miners previously, increased it to 45 secs and now I achieve an efficiency of 60%+ after 24 hrs.

I will keep monitoring to see whether this affects my invalids/stales in anyway

LETS GO DEFAULTS LETS GO.
 
LETS GO DEFAULTS LETS GO.

LETS GO DEFAULTS LETS GO.

In any pool you get paid based on valid shares.  That is all that matters.  Your quest should be to find what configuration (miner, clocks, voltage, intensity, params, etc) gives you the most VALID SHARES per hour?  

Even rejects don't matter other than is they are avoidable they reduce valid shares:  100 shares + 10 rejects > 90 shares + 0 rejects.

All that matters is VALID SHARES.  That is the pay metric (for any pool).  U is a measure of valid shares per minute.  U is your "minutely wage".

Honestly I wish pools stopped reporting hashrate for miners (which is false they are just taking a guestimate) and instead provided a U.  

hoping someone can help me out...  looked thru the thread and can't seem to find an answer...

can the gpu-engine overclock in CGMiner go beyond the normal factory default max overclock?  specifically I've got a bank of 5850's that won't go past 775 mhz.  Also, even though I'm setting gpu-memclock, it doesn't seem to be sticking either.   The fan settings in my *.conf file seem to be working, so I'm pretty sure its reading the correct file.   Pertinant parts of the *.conf file below:

"intensity" : "d,9,9,9",

"gpu-fan" : "10-85,10-85,10-85,10-85",
"temp-cutoff" : "95,95,95,95",
"temp-overheat" : "85,85,85,85",
"temp-target" : "75,75,75,75",
"auto-fan" : true,

"gpu-memclock" : "250,250,250,250",
"gpu-engine" : "0-840,0-840,0-840,0-840",
"auto-gpu" : true,

and direction/advice would be appreciated.

thanks,
Sigg

Bummer... looking like my cards are giving me a big rasberry when I request anything above 775  (750,770 they take just fine) .. same scenario with my low memory setting... 

Plan B:  unoficial overclock mode in afterburner

Thanks for the help.

Sigg

Next question:

What is currently the best combination of SDK version and drivers to be running?  (windows XP, 5850's)

I've gathered from reading that its best to have the .bin file generated from the 2.5 SDK.. but am a bit confused as to if you should install the 2.6 SDK after generating the .bin?

then: Is the driver version independant of the SDK version?

Does "best environment" depend on card series?  I.E.  5xxx cards should be run on different driver versions than 6xxx ?

Thanks again,
Sigg

Sounds like orc mischief to me! They come with fire, they come with axes, gnawing biting hacking breaking burning. Destroyers and usurpers, curse them!

Regardless of what this error looks like, try to solve it the same way you would if you had 4 cards installed but cgminer only worked on one. It just so happens that the ATI display library is getting the right number of cards, but the ATI driver is only giving you 1 for opencl use for some reason.

It doesn't matter what cards I try to use.  5830s, 5850s, 6950s.  They all do the same thing.  Cards are fine.  Tried in other working rigs no problem.
It doesn't matter how many cards I try to install as long as there is more than 1. 2 cards does this, 3 cards, and also 4 cards.
Version numbers of what? cgminer?  I don't recall all the versions I've tried, but I've tried 1.6.1, 2.0.0, 2.0.8, 2.1.1 for sure.
drivers? have installed 11.6, 11.10, 11.11, and 11.12
Hardware specs on the rig? Biostar A870U3, Sempron 145, 2G ram.