Need help for display card of MacPro 1,1

Discussion in 'Mac Pro' started by andyyau, Jan 13, 2017.

  1. andyyau macrumors member

    Jul 17, 2012
    My original HD4870 display card in MacPro 1,1 just died. I am running OS X El Capitan with Pike bootloader.

    I still want to try last effort in order to see if I can repair it. After trying a PC card of AMD R2 230,
    the diagnostic LED "CPUB" on motherboard will light up. But I am sure the two CPU are all fine.

    Then I tried my old X1900, it can boot but the screen is always in low resolution.

    PC version of AMD 7950 is still very expensive. With the same price, I can get AMD 460/470/480. Does anyone know if new these 460/470/480 card work in MacPro 1,1?
  2. H2SO4 macrumors 68040

    Nov 4, 2008
    Be careful with the RX range at the moment. There are certain brands that work better than others. If it were me I’d get a cheap card as well as a usual one as a backup. A 7300GT must cost next to nothing surely?

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