I have a 2008 Mac Pro, running OSX 10.8.5. Just installed AMD Radeon 5770 graphics card (Apple says this isn't supported; users I read said it works despite what Apple says in knowledge article ( ). When I restarted, the system said my card was a Radeon HD 5000, not 5770. AMD's web site not clear about driver upgrade (and I believe I have to do this, since I took out the old graphics card ( ATI Radeon HD 2600 that came with the Mac Pro at purchase).

Didn't get a clear answer, yet, from Apple support. Anyone experience this? Does anyone know which driver to manually download from AMD's site? It's not clear, and they also suggested, talk to Apple to get driver support. Here's where I went, and found the choice not clearly mapped out for the Mac (and their autodetect software works only for XP: - -and here:.

Kaz-K: I tried your method. I still get the same reading about the PCI ( There was an error while gathering PCI card information) and the system still reports my graphics card is HD 5000.

I bought a standard Apple 6 pin PCI cable that connects power from the motherboard directly to the HD 5770 graphics card. FYI, the HD 5770 card I bought was used, but I don't believe that is an issue. So to confirm, you're saying I don't to do anything about upgrading a driver? This card should be recognized by my version of OSX 10.8.5? The card features two DVI display connectors.

I have hooked up my new NEC PA271 W monitor to DVI1 (the reason I installed the new graphics card was because I needed it to support this monitor). The monitor fired up and I'm calibrating it, and so far so good.

It appears all is well, but I still have no idea if I need anything more from ATI/Radeon (a driver for the 5xxxx series cards) and if the error message under about this Mac for the PCI slot will correct. It still says ' There was an error while gathering PCI card information.' RE: Mac Pro silver tower (2006-2012) Replacement Graphics cards 1) Apple brand cards, 2) 'sold in the Apple store' cards, and 3) 'Mac Edition' cards. Show all the screens, including Boot up screens, Safe Mode, Installer, Recovery, debug screens, and Alt/Option boot screens. At this writing, these choices include: 1) Apple brand cards:.

Apple-firmware 5770, about US$250. works near full speed in every model Mac Pro, Drivers in 10.6.5.

(This card has just been discontinued and is no longer available from Apple dealers. There may be some new, old stock still available at resellers). Apple-firmware 5870, about US$450 2) 'sold in the Apple store' cards. NVIDIA Quadro 4000 Fermi, about US$1200. NVIDIA Quadro K5000 Kepler, about US$2500 3) 'Mac Edition' cards - REQUIRE 10.8.3 or later:. SAPPHIRE HD 7950 3GB GDDR5 MAC Edition, about US$480.

Vendor recommends Mac Pro 4,1. EVGA GTX 680 Mac Edition, about US$600 The cards above require no more than the provided two 6-pin aux power connectors provided in the Mac Pro through 2012 model. Aux cables may not be provided for third-party cards, but are readily available. If you are Meet ALL of these:.

running 10.8.3 or later AND. don't care about 'no boot screens' etc AND. can re-wire or otherwise 'work out' the power cabling, THEN: You can use many more cards, even most 'PC-only cards'. One more thing- Flashed PC cards: There are a good many EFI flashed cards that offer boot screens and behave like official cards.

'for more information about using and flashing non-Apple cards, please check out the various sites like Netkas (and others) that focus on and discuss what is known and available. (Not supported or endorsed by Apple.)'. Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only.

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A brief video on how to upgrade or replace the graphics card of 2006 to 2011 Mac Pro computer models. The video card driver installs automatically and it is transparent to the user; a true plug and play behavior. Before working on the computer: 1. Shut down the computer.

Wait 5 to 10 minutes to allow the computer's internal components to cool down. Unplug all external cables from the computer except the power cord. Touch the metal chasis of the computer to discharge any static electricity from your body.

Remove the power cord. IMPORTANT: BEFORE WORKING ON YOUR COMPUTER, MAKE SURE YOU ARE ESD SAFE! Just Google the word ESD and find out how to prevent electrostatic build up.

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If you wash your hands with water before working on your computer, could also prevent electrostatic build up; make sure you don't have any water excess on your hands.