[Clayton Burkhart]

No the powerhouse message is not coming from the amount of RAM you have. I have 24 Gb of RAM and I still get it to. Not only that, but I get it at startup without even a project running. I am on an new 8 core 2.4GHz Westmere. It arrives in both Lion and Snow Leopard. So to be honest it seems more like a software issue than a hardware one.

It seems that Vladimir (on another post here at the cow) found a solution for rendering:

“The only thing that helps me is throttling render to 2 FPS (maximum for me goes at about 4-5), so that it never bottlenecks.”

[Clayton Burkhart]

Ditch the Lion, you cannot tell the installers to not install 4.0.50, and you cannot backtrack to 4.0.19.

[Clayton Burkhart]

Looks like you are in the jaws of the Lion. See my post below for a GTX470. With Lion the system installs 4.0.50 directly but does not include several drivers which are in 4.0.19 (quadro 4000 for Mac). Since you cannot backtrack and install an inferior version number, you are in limbo land.

Try getting rid of the AppleGraphicsPowerManagement.kext from System/Library/Extensions

If not it’s back to Snow Leopard.

[Clayton Burkhart]

Hey thanks for that info, Dan.
Just out of curiousity, do you have vids online which show a typical DPX workflow like the one you are describing?

[Clayton Burkhart]

A little UPDATE**

What I discovered was that my Assimilate Scratch was not seeing the CUDA drivers. As a lark I tried installing the same OSX Lion CUDA drivers (Nvidia 4.0.50) over-top of the Quadro ones and it worked. Scratch could now see the CUDA cards and Resolve continues to be healthy.

What this tells me is that you must install the Quadro 4000 for Mac drivers FIRST (Nvidia 4.0.19) and then you can put the later version on top (Nvidia 4.0.50) if you so chose. Otherwise you cannot backtrack if you go directly from the latest version to get the earlier set. As this is rendered impossible by an OSX Lion install, I do not recommend Lion for GTX 470 users right now.

[Clayton Burkhart]

[Joseph Mastantuono] “How did you fit two 470’s in a Macpro?”

No problem, since I am not using a raid card. The four internal HD bays are enough for the time being. The top slot is for a Blackmagic card. The real issue was the power, but finally I just pulled from the unused SATA connector in the 2nd optical drive bay. Everyone was like oh no don’t do that. But I use “Hardware Monitor” to see what is happening temperature and power wise all the time, and guess what? It shows me that it pulls so little extra power that I don’t even hit half the capacity of PSU most of the time.

So here is the deal with the two GTX 470’s and the OpenCL warnings. Basically as someone suggested Resolve was not seeing the cards, so it was looking for something – anything. Hence “where is openCL?”.
However, it appears the issue is that even though Lion installs CUDA drivers automatically now, it does not install the right ones for what we need to do. Is it possible to uninstall the OSX Lion version and replace with Quadro 4000 drivers? No way. A nightmare. Believe me I tried. Until my computer froze up.

Very poor internet connection where I am working currently (a basement).
Therefore not possible to reinstall Lion – no discs. What a terrible idea on Apples’s part, at least give us the choice!

“What a lovely opportunity to get rid of this nightmare operating system!”, said I.

Reinstalled Snow Leopard, and then the drivers for the Quadro 4000 for Mac. Works like a charm now. End of story.

[Clayton Burkhart]

Nothing in the Preferences/Debug section. Latest drivers for CUDA installed (I am on Lion) 4.0.50.

If I put the 5770 back everything works fine, take it out and it keeps looking for OpenCL. In terms of the drivers for that card, there are none in a seperate package. ATI doesn’t offer it on their site either, which means that it is integrated into a package with Lion. When I do search for them on the computer, nothing comes up, so I can’t throw anything away.

The system sees the Nvidia cards in both slots under graphics/displays and in the PCI section. Obviously, as I see my monitors, the cards are working for the GUI off of either of them. Whether they are actually being put to work by Resolve is another story. Is there some kind of program out there to see how many cores are active on a card at any one time by the way?

So right now remains a mystery.

[Clayton Burkhart]

Hey thanks for all the great responses. Really appreciated.

[Clayton Burkhart]

2 slots.

[Clayton Burkhart]

SLOT 1: GTX 470
SLOT 2: GT120
SLOT 3: RAID
SLOT 4: BLACKMAGIC

They all should fit.