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Apple Computing Products:
macOS - Desktop Hardware
ATI Radeon 5770, Mac Pro 1,1, pre-boot initialization failure
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<blockquote data-quote="harryb2448" data-source="post: 1248173" data-attributes="member: 42497"><p>This explains it much better than I ever could:-</p><p></p><p></p><p><a href="http://www.everymac.com/systems/apple/mac_pro/faq/mac-pro-pcie-architecture-lane-configurations.html" target="_blank">How does the original Mac Pro allocate lanes for the PCIe bus? What configurations are possible? @ EveryMac.com</a></p><p></p><p></p><p>As suggested in the EveryMac article, set up with option 3 to get 16x1x1x8 making slot 4 the ideal solution to your problem. As the article states, after putting the 7300 in slot 4 and rebooting, you will get the option to choose.</p></blockquote><p></p>
[QUOTE="harryb2448, post: 1248173, member: 42497"] This explains it much better than I ever could:- [url=http://www.everymac.com/systems/apple/mac_pro/faq/mac-pro-pcie-architecture-lane-configurations.html]How does the original Mac Pro allocate lanes for the PCIe bus? What configurations are possible? @ EveryMac.com[/url] As suggested in the EveryMac article, set up with option 3 to get 16x1x1x8 making slot 4 the ideal solution to your problem. As the article states, after putting the 7300 in slot 4 and rebooting, you will get the option to choose. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
ATI Radeon 5770, Mac Pro 1,1, pre-boot initialization failure
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