Ccminer is very unstable with 19 gpu's ..
I just wander why would anyone create system like that and get a constant problems. Comparing to total system cost, an extra motherboard+cpu+memory would not be that big investment, but release complexity by times.
Well ...
Following the strict rules that are required to run such a machine, there really isn't much issues, let alone problems.
Once a design is set, it is very easy to duplicate. That is the reason you would go that route. Density plays a massive part if you are doing this on a larger scale.
That is why, at least for CWI.
#crysx
Maybe the price of adding the extra mb/cpu/ram/ssd needs to be spelled out, thats like an extra $400-500. Fit as many GPU's as you can for the farms.
Not worth it...I've killed two motherboards trying to get past six graphics cards on normal motherboards...I think if you want to get 12 gpu's you should just buy a special motherboard with 12 pci express slots. If you want to save power buy more powerful graphics cards if you can get them. I can buy surplus hard drives for $10 and I can buy a ton of amd cpus and motherboards for like $150 or less...the more crap you add to a system the more likely it's going to fail by crashing consistently. also, the more power you draw on any circuit will reduce the performance at some point. you definitely don't want to put 8 1080 tis on one circuit unless you have a special electrical output setup by an electrician that can handle that situation. I've even been hooking up power supplies on different circuits when I'm daisy chaining them for added amperage and power stability. just my two cents...
Well,
We have built HUNDREDS of systems, and the experience tells us that this smaller GPU to MotherBoard ratio is more of an 'issue' than not.
So for us who have more than 7 or 25 or 70 GPU's to place, density plays a big part - unfortunately. Agreed there is slightly more headache than normal, but that is with ANYTHING you put your hand to when it comes to building something out of the norm. TWO GPU's were a massive things we I first started mining, and 4 GPU's was a monster machine. Now look at the 'minimum' spec you will need to even start mining well.
So it is worth it for us to attack the density factor with gusto, and (in our case) develop a MUCH better cooling solution that magnifies the mining effort by almost 3 times.
So your two cents are worth much more than that and I would agree in that respect also.
I agree also with the power - which is also why we have designed (and have our first prototype) CWI-Power system fully functional, which we hope to make available for those that WANT to mine in a much more extensive fashion. Circuits in most houses are limited to a small amperage, so our newest design does away with the singular circuits and raises the bar for spreading the circuits within ONE system. We are still improving the MK I model, and MK II will be much more desne again and able to cater for small farms easily.
BTW - ALL our cards are a mix of Aorus 1080TI Xtreme WindForce and recently Aorus 1080TI Xtreme WaterForce systems, so they do draw a lot of power depending on what Algo is mined, hence the need for density, power availability, and soon we will be working on efficiency, though that is not the priority currently.
#crysx