I played it safe. I bought an EVGA modular power supply and jumpered the pins so that it thought power was on. I connected two video power cables to the PSU and snaked them into the case though an empty PCI slot opening. Running a Gigabyte GTX 980 Gaming card. Room for another on the PSU and in the Mac Pro 5,1. I keep the PSU switched on. I have the Mac set to NOT update MacOS, nor to reboot after power failure.
I religiously shutdown Mac and then hit switch on power strip that handles Mac and EVGA PSU. To start up i reverse the process. This way there is always power available for the card(s). Web driver work in Sierra. Card also works great in Windows 10 under Bootcamp.
A tip: I bought a MacPro 5,1 with GTX980 (and GT120) from you in March. Since then I have performed several updates, some of which result in a black screen because Apple have tinkered with the drivers. To get round this, as well as switching off and swapping the GPU for the GT120, another way is to use the “Share Screen” function from another networked Mac.
This displays the log-in screen, and allows you to access, download and update the Nvidia drivers without having to dig the MacPro out of the rack. It works for me Guy. First of all, thank you so much for your positive declaration that a Mac Pro 2009 5.1 is good to go for installing the macOS Sierra system. Like many people I have invested time and money upgrading my System only to be informed that Apple was about to consign my proud `new` machine to the knackers yard!!!
Your news has given me so much confidence, that I have purchased a GTX 1080 Founders Edition card. If and when dear old Nvidia creates the Mac drivers for this speedster it will certainly be the icing on the cake for me. What started out as a very modest early 2009 Mac Pro has almost closed the gap on the shiny Trash Can Pro performance! Have a mac pro 5.1 running OSX 10.12.1 Installed a new gtx 980 ti using the latest drivers cuda 8.0.53 and quadro geoforce 158f03. Graphics work great in either DP or HDMI connection, but I get absolutely no audio. The monitor is no longer listed as an audio output device, and in system/hardware/audio: there is no listing anywhere for either HDMI or Display port as an audio source. So the bottom line is that i get great 4K video, but no sound.
Any ideas how to remedy this? Here is one crazy thing i noticed, I replace the original ATI HD 5770 to get my sound back, but left the Nvidia drivers on the mac. Those drivers are running the HD5770 at 4K with no issues and sound!!! How is that possible for a non 4K rated video card to run 4k with another mfg driver?
That question is just for curiosity, what i really want to fix is the sound on the GTX 980ti. All help and suggestions will be greatly appreciated.
I’m wondering if you can help me remedy some behavior we’ve been experiencing at the studio with a similar setup. Every so often while using video card heavy workflows (editing 6k video, rendering composite vfx) we’ll experience what we’ve been calling BSOD, or, the “black screen of death”. Basically, everything just locks up for one second, then the screens go black. The machine becomes totally unresponsive, and requires a reboot. You can’t screen share. No sleep-mode wake up.
We first tried addressing the issue by having our GTX 980’s flashed with the correct firmware through a service provided by MacVidCards.com. This gave us our Apple logo back on startup, but did not seem to improve the regularity of BSOD occurrences. We were then lead to believe that perhaps it was a power supply issue, where heavy tasks we’re basically cooking the motherboard and causing the machine to seize up. So we purchased external power supplies to run as dedicated power to the card. It seems to have helped reduce the amount of BSOD occurrences slightly, but not completely eliminating them. We’re currently on the latest release of Adobe software using the 2017 versions of Premiere and After Effects heavily. Any help/insight would be much appreciated!
Cisco ios service selection gateway configuration guide. Here’s our setup: Model: Mac Pro (Mid 2012) OS: 10.11.5 Video Card: NVIDIA GeForce GTX 980 (4096M MB) Processor: 2 x 2.66GHz 6-core Intel Xeon Ram: 128GB DDR3 Power Supply: Corsair CX Series CX750M We have the latest NVIDIA and CUDA Updates installed. Hi there, I’ve a question regarding a tower I got from you guys last year. Currently 1x 980ti (6gb) fitted in there, but I’d liked to add another 980ti or a 1070.
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My question is, do you think it would be better to fit the new card in the 2x slots I have free, and change the PSU, or will the cards be too close together and potentially overheat? So the second option would be to put the new card in an external chassis, and link to PCIe, with it’s own power. Which if either do you think is the better option? Thanks a lot, Alex. Hello, I followed your guide to install my NVIDIA GTX 980 on my Mac Pro 5.1 (late 2012) about a year ago, maybe less. I had everything working great, even audio over HDMI with a few kexts I found. Whenever I had an OS update I’ve always been able to swap the native card back in, install driver updates, and good to go again.
But I updated to 10.12.2, and now I get a black screen on startup, as if the display simply doesn’t recognize the GPU. I swapped back in the AMD card and confirmed my NVIDIA web driver and CUDA drivers were both up to date, but it’s still not working. By the way thanks for the guide and thanks in advance for the help!
I installed and ran a GTX 960 on my MacPro Tower for the last 10 months. Then today I installed a software update and these Nvidia drivers are no longer compatible with my computer. I cannot reinstall the drivers either. It gives me an error message “Mac OS X version is not compatible”. I reached out to Nvidia chat support and they simply told me the GTX 960 is not supported by Nvidia running on a Mac. Buyer beware, this is not a stable solution for better graphics performance! I hope at some point soon a new software update from Nvidia or Apple will make using my card possible again.
Hi Francis So you have installed your Nvidia drivers with the GT120 installed? For safe measure remove the gt120 plug your display into the 980. If your system boots everything is setup correctly you should find that about this mac will show your 980. Does your system not boot at all with the 980 in or is it just not showing up? I would also not recommend running that card due to power draw. The graphics card when under full load will but pulling over 300w.
Doing so for prolonged time can cause damage to your logic board and cause it to burn out or short. You may in the short term experience crashes when pushed over the maximum load as the card will by attempting to pull more power than is available. Many thanks George. I’d like to chime in with a similar issue installing a 980 Ti into my 2010 Mac Pro. Like most everyone else here this article gave me the confidence to get a higher powered card. I bought the EVGA 980 Ti Kingpin edition, and yes I know it draws way more power: 1 6pin and 2 8pin connectors,.so., I bought a EVGA 750w BQ PSU solely to power the card.
I downloaded and installed the latest web drivers and coda drivers that were available as of yesterday. Weird thing is, when I fully connect all the ports of the card to the PSU – black screen. I use an iMac to screenshare to diagnose and the CUDA preference pain says No GPU Detected. The fan on the PSU hasn’t spun once and in fact I can’t even tell that it’s working unless I use the testing connector, and then the fan will spin, but only then. To contrast this, I plugged in the mac’s 2 6pin connectors to the 6pin port, and one of the 8pin ports on the kingpin, and then used a 2x15pin data to 6pin cable to plug into the remaining 8pin port. So 4 pins still not connected I know, but when I boot under that configuration, still black screen but through screenshare I see the CUDA preference pain doesn’t give me the No GPU Detected warning and the system report shows an Nvidia Card connected, but with only 256mb of VRAM like Francis is experiencing.
The lights on the kingpin light up and do their color dance regardless, but I’m assuming it’s getting enough power to do that through the PCIE slot. I take all of this to mean that perhaps the PSU is faulty and not supplying any power?
Does that seem right? I plan to return the PSU for another one but we’re in the midst of a blizzard here in NY right now. Any Insight would be greatly appreciated! Hi, I’m trying to use a GTX 680 on a MacPro 5,1 with El Capitan. Right now I only have a single 6pin cable, so only of them is connected. I’m using a DVI to HDMI adapter cable. I did not install any driver because my understanding is that the GTX 680 is supported out of the box (except that I have not flashed yet, so I can’t get the boot screen just yet) When I boot the Mac I can hear the chime sound, and I’m pretty sure it does boots, just that the screen is black.
Is it because of the missing 6pin cable? Or is it because I need to install drivers? Unfortunately I don’t have other system to test, so any help will be appreciated. Thanks, Antonio.