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ati 5870

  1. M

    Mac Pro 3,1 Black screen when booting into windows

    Hello, I am currently running an early 2008 3,1 Mac Pro running 10.11.6 and had successfully installed and ran windows 8 and 10 on separate drives while using a ATI Radeon 4870 HD 512MB. Mac OS as well as windows 10 worked perfectly on it.I swapped my graphics card to a ATI Radeon 5870 HD 1GB...
  2. d3vCr0w

    2006 Mac Pro (1,1) Change boot.efi on pre-installed Yosemite Hard Drive

    Hi people, I have a Mac Pro 1.1 with an ATI Radeon HD 5870 graphics card (the pc flashed one), 6GB of RAM and the original 2 x 2,66 GHz Dual-Core Intel Xeon processors, and I have been trying to install anything newer than Lion on it but I've had no success. The last OS I tried to install is...
    • d3vCr0w
    • Thread
    • ati 5870 boot drive boot error boot fail mac pro (2006) macpro 1.1 piker piker-alpha bootloader yosemite yosemite 10.10.5
    • Replies: 0
    • Forum: OS X Yosemite (10.10)
  3. MacDann

    Flashed ATI 5870 - No More Boot Screen?

    I have an ATI 5870 that was flashed so I got a boot screen. I've had it for probably three years running on my Mac Pro 3,1. A week or two ago I bought a 30" ACD to replace one of the two 23" ACDs I've been running on it, both displays being run off the DVI ports on the card. I have a third...
    • MacDann
    • Thread
    • 30" acd ati 5870 boot screen
    • Replies: 13
    • Forum: Mac Pro
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