Quote from: Phosphorous on July 29, 2014, 05:13:47 AM

Quote from: TRN1062 on July 29, 2014, 02:21:09 AM

I have 6 R-box miners running on CGminer on a Windows 7 machine. They seem to run ok but even running them at a clock speed of 290 I am getting only about 200Gh/s from the 6 of them or just about 34Gh/s each They do peak at about 208-210 Gh/s (still under 35Gh/s each) but only brief peaks. 4 or 5 times a day I have to restart 2 3 or all 6 of the miners as they slow down to high teen to low twenties GH/s

I thought it was power related as I had all 6 running from one 360W PS to start with but I have since bought and hooked up a second 360W PS and put 3 units on each and still the same. I can not get speeds of anywhere near the 35 GH/s each I was expecting with any kind of consistency. I get nearly 35 for brief peaks but it drops off to average a bit under 34 and then drops off to less than 25 after a few hours. I have the 6 units set up spaced out with a 20" box fan blowing across them and they run about 39-40c so I don't think it is heat related either.

My question is, What am I doing wrong or is it just a design flaw that these units can not run for more than a few hours at a time reliably?

Is there an updated firmware or driver I should try? Any suggestions would be appreciated.

What version of CGMiner are you running? Since I have been using 4.4.2 mine has worked really well running at 320Mhz I get 33-35Gh solid.

4.3.3 I will try the newer version and see if that helps. Thanks for the suggestion.

Quote from: CanaryInTheMine on July 29, 2014, 02:32:55 AM

I'm running 6, they haven't skipped a beat. Using main cgminer release. Although my temps are lower (ambient cooler probably) and no extra fans blowing on them.
Is your extra fan interfering with airflow?

No the fan is blowing to cool all of my miners including 9 Antminer u1's 7 bitwins and 1 nanofuryII as well as the 6 R-Boxes The R-Boxes are positioned so that they intake the coolest air in the room and their exhaust air is carried away by the airflow from the box fan. To clairify it makes no difference whether the miner is at 37 or 40c they all mine fast sometimes and they all slow down eventually. how long they run varies but usually 2 or 3 times a day at least each or all of them must be restarted.

Ill try the later version of CGminer I really would like to be able to run BFG but unfortunately every version of BFG that runs Rockminers is unstable on my set as the Bitwins bomb after after a 30 - 40 minutes or so. So Ill download the newest CG miner and try that.