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 (http://support.apple.com/kb/TS3477). 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:
1 product rating 1 product ratings - ATi Radeon HD 5770 1GB Graphics Video Card For Mac Pro 1,1-5,1 OS10.6.8-10.12.
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ATI Radeon HD 5770 Graphics Upgrade Kit for Mac Pro (Mid 2010) - Mac Pro: Mac Pro 1.1, Mac Pro 2.1, Mac Pro 3.1, Mac Pro (Mid 2010). ATI Radeon HD 5770 1GB Graphics Upgrade Kit for Mac Pro Mid 2010 (MC742ZM/A). For impressive graphics processing power, the ATI Radeon HD 5770 with 1GB of GDDR5 memory is a great choice for visual creative, scientific and technical applications. ATI Radeon HD 5770 includes three video ports: two Mini DisplayPorts and one dual-link DVI port. Double-wide, 16-lane PCI Express 2.0 graphics slot with one of the following graphics cards installed: ATI Radeon HD 5770 with 1GB of GDDR5 memory, PCI Express 2.0, two Mini DisplayPort outputs, and one dual-link DVI port; ATI Radeon HD 5870 with 1GB of GDDR5 memory, PCI Express 2.0, two Mini DisplayPort outputs, and one dual-link DVI port.
Ati Radeon Hd 5770 Graphics Upgrade Kit For Mac Pro Mid 2010 Specifications
Thanks.
Mac Pro, OS X Mountain Lion (10.8.2)
Apple Ati Radeon Hd 5770 Graphics Upgrade Kit For Mac Pro
Ati Radeon Hd 5770 Graphics Upgrade Kit For Mac Pro Mid 2010 Specs