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macpro 1.1 mother board

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    MacPro 1.1 issue - mother board ?

    Hi all i got my hands on a macPro 1.1 on start-up no chimes and black screen i tried 3 different video cards that at least one of them is super OK & i tried all the slots for the video cards no go i know RAM is ok - no beeping or lights on front light next to the start-up button seems ok (not...