I dont have the infamous power cables from ati so i was wondering if it would be possible to use the power from the optical drive. Mac Pro:: Flashed 4870 And Power Supply - Mac Pro 1.1? I have just ordered a xfx 4870 that will be placed into my mac pro 2006 (1.1). I was planning on getting the Radeon HD 4870 1gb and running it along with the GeForce, but ATI has since released an Apple version of the 4870 (512mb) for the Mac Pro, which seems a far more. Starting with Mac OS X Lion, you don’t have to load the driver, Mac OS X includes the necessary ATI Radeon HD 6870 drivers required for a Mac Pro. ATI Radeon HD 6870 Video Card How to Install on Mac OS X This procedure for installing a PC ATI Radeon HD 6870 Video Card into a Mac Pro works for Mac OS Yosemite, Mavericks, Lion, and El Capitan.
