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mac 2.1

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    MP 1,1-5,1 how many HDs in MP1,1

    I have updated the firmware in my MP1,1 to 2,1 in prep to upgrade the procs to 2x X5365. I had already done the 64b firmware and installed an SSD, Mavs and a upgraded video card. Is it possible to mount more than 4 drives in the MP1,1? What is the largest single drive this update will recognize?
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    MP 1,1-5,1 Mac Pro 2.1 - GPU Upgrade

    Hi Recently I bought a Mac Pro 2.1, I was thinking of upgrading my GPU to a AMD Radeon R9 280X. According to this post (Part 6.1) https://forums.macrumors.com/threads/gpu-compatibility-list-for-cmp.2174600/?fbclid=IwAR0nX-9bjZ2ydvPBVUIttmrzJ1_3d703TcAWSUycj9xdJ76tcUR0-k7B8_k My current specs...