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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Mac Pro - How do I install TWO HD 4870 cards in a 2009 Mac Pro?

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Member Since: Oct 29, 2009
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Please can you help?

I've just bought an 8-core 2.66 Mac Pro and two Radeon HD 4870 graphics cards, but each card requires two power cables to connect to the logic board, which has only two connectors. Does anyone know where the two cables to the second card should go? The second card works fine, but I expect the cables are for the cooling fans, so I don't want to fry the second card!
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