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Frequently Asked Questions About NVIDIA PC (non-EFI) Graphics Cards

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KlausE said:
Ah, OK. I have this at startup, so it's a major problem. The UI never comes up with 387 drivers. If it's only at shutdown for you, then of course this is not a problem.
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Enable SIP may actually can fix your issue.

I am also using 1080Ti and W3690. But I keep BOTH SIP and gatekeeper completely disabled.

The worst combination is keep one ON and the other OFF. This can cause unexpected issue.
 
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flowrider said:
^^^^And here she be:

https://images.nvidia.com/mac/pkg/387/WebDriver-387.10.10.10.30.107.pkg

Lou
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Thanks! You are really fast, even the Nvidia Control Panel can't detect the update yet. (noted, the time is UTC+8, and my system is already 17E202.)
Screen Shot 2018-04-26 at 07.22.12.png
 
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There might be an Apple screen sharing security issue addressed in this update. The typical screen sharing connection from another Mac (with the 17E202 update already installed on that machine) would not immediately work to connect to the 5,1 during/after install. Connection over VNC did work, which then authenticated Apple screen sharing. Have not run into that previously.

May be worth looking at the auto-install method (in this thread) or have an alternate remote connection tool available. As always, keeping your backup EFI card ready is a good idea.
 
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I was thinking about getting the GTX 1060 or the RX 580. I've read that the RX 580 draws more power. Is my Mac Pro 5,1 okay to run at 580 or should I get the GTX 1060? They're both about the same price and performance.
 
Jayson A said:
I was thinking about getting the GTX 1060 or the RX 580. I've read that the RX 580 draws more power. Is my Mac Pro 5,1 okay to run at 580 or should I get the GTX 1060? They're both about the same price and performance.
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You better get the RX580. There is a moderate chance that driver won't even loaded properly with GTX1060.
 
h9826790 said:
You better get the RX580. There is a moderate chance that driver won't even loaded properly with GTX1060.
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Thanks for the heads up man. Are Nvidia drivers kind of a pain? I know the 580 will even work in recovery mode which is nice. There won't be any power problems with the 5,1 right?
 
Jayson A said:
Thanks for the heads up man. Are Nvidia drivers kind of a pain? I know the 580 will even work in recovery mode which is nice. There won't be any power problems with the 5,1 right?
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Stick to the Sapphire PULSE RX580 should give you least trouble.

Any other reference RX580 with single 8pin input should work as well.

All 6+8 pin RX580 should also work, but may require some work around to power it properly (for your info, I am now running a 6+8pin GTX1080Ti with just the mini 6pins, it's fine).
 
h9826790 said:
You better get the RX580. There is a moderate chance that driver won't even loaded properly with GTX1060.
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The Pascal drivers are in pretty good shape now, so I think this fear is somewhat unfounded.

However, depending on what you want to use it for, I would still recommend getting the AMD card (esp. a 580 since that's what Apple uses in their eGPU dev kits) in general. Apps like Final Cut Pro and other Apple apps tend to just work better on the AMD cards, since Apple has tuned them to do so.
 
No issues at all for me with the GTX 1080 Founders Edition on a 5,1 and latest drivers. I keep an official GTX 680 Mac Edition (EFI card) for backup in case there are issues with updates or an EFI card is required for firmware updates.

If you're running applications that can take advantage of CUDA, it makes sense to stick with NVIDIA. (Some Adobe video software does and works better/faster than OpenCL.) If you're sticking with Apple software like FCPX, worth looking into an AMD card.

Ultimately, I need to get through (at least) another 12-18 months with this machine and the GTX 1080 FE (along with other upgrades) is helping me do that. Hopeful that NVIDIA cards will work with eGPU at some point.
 
There's nothing specific to the 1060 in any of that? There is still a known issue with multiple NVIDIA GPUs, only the first one seems to get acceleration. Hopefully NVIDIA will fix that one soon.
 
Asgorath said:
There's nothing specific to the 1060 in any of that? There is still a known issue with multiple NVIDIA GPUs, only the first one seems to get acceleration. Hopefully NVIDIA will fix that one soon.
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You are right, the "2nd card (lower card) doesn't load" is not "low end" card doesn't load.
 
h9826790 said:
Stick to the Sapphire PULSE RX580 should give you least trouble.

Any other reference RX580 with single 8pin input should work as well.

All 6+8 pin RX580 should also work, but may require some work around to power it properly (for your info, I am now running a 6+8pin GTX1080Ti with just the mini 6pins, it's fine).
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I was planning on getting the Sapphire PULSE version (it's one of the cheapest ones too!). Now I just need to come up with $350 whew.
 
Here's a question that's probably been answered in the past:

Assuming I have enough power available, can I have my (non-flashed) GTX 980 Ti and (flashed) GTX 680 in the Mac Pro to get boot/recovery screens when I need them? GTX 980 Ti on DisplayPort and GTX 680 on HDMI; then when I need a boot/recovery screen, I switch the monitor to HDMI input and back to DisplayPort input once booted.

I'm thinking of using 4x SATA to power the 6pin & 8pin on the GTX 980 Ti (220 + 75W = 295W total) and powering the 680 from the mini 6-pin headers (225W total).

Is there anything I should be aware of? I'd only be using the 680 for recovery/boot tasks, but want to make sure there isn't some strange behaviour that will make the 980 Ti not work properly in MacOS/Windows. I could just buy a GT120, but given that driver support has been dropped in Windows I'm not sure if that will cause issues.
 
Theophany said:
Here's a question that's probably been answered in the past:

Assuming I have enough power available, can I have my (non-flashed) GTX 980 Ti and (flashed) GTX 680 in the Mac Pro to get boot/recovery screens when I need them? GTX 980 Ti on DisplayPort and GTX 680 on HDMI; then when I need a boot/recovery screen, I switch the monitor to HDMI input and back to DisplayPort input once booted.

I'm thinking of using 4x SATA to power the 6pin & 8pin on the GTX 980 Ti (220 + 75W = 295W total) and powering the 680 from the mini 6-pin headers (225W total).

Is there anything I should be aware of? I'd only be using the 680 for recovery/boot tasks, but want to make sure there isn't some strange behaviour that will make the 980 Ti not work properly in MacOS/Windows. I could just buy a GT120, but given that driver support has been dropped in Windows I'm not sure if that will cause issues.
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No matter how you power the cards, you still can't get it stay within the official limit.

The 980Ti won't always draw 75W from the slot, and then draw the remaining power from the 6+8pin. What if it draw all 225W from the 6+8 and then the remaining from the slot? That's outside the 220W official limit.

Also, if you plan to connect 2x SATA to a 6pin, and another 2x SATA to the 8pin. Then the situation will even worse.

There are 110W power available for the 6pin, but the card should only draw up to 75W.

On the other side, the card may draw 150W from the 8pin, but only 110W available.

If you connect 3x SATA to the 8pin. Then only 55W available for the 6pin.

No matter how you do it, technically no way to stay within official limit.

And let's assume we fix the power issue. There is a bug in the latest web driver which may not able to activate the 2nd graphic card properly. And you will fall into this case, which mean may hit this bug.
 
Hopeful that if the 2nd card issues will basically go away if there is NVIDIA eGPU support. Rumor on another forum the issue arose when trying to implement a workaround with/for Sonnet. Appears it MIGHT be fixed with a driver rollback workaround, but I have not personally tested that.
 
Hey folks,

I'm sure I can go into a different forum section, but I am familiar with you guys here; just bought an SSD for my cMP 5,1. I'm going to do a fresh system install and have it as the main drive. Can I use Apple's "migration assistant" to move over installed apps, and will I have to install the Nvidia drivers separately after that?
 
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