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Switcher Hangout (Windows to Mac)
Can a Mac Pro 1.1 handle any gpu when it runs Windows?
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<blockquote data-quote="lclev" data-source="post: 1712825" data-attributes="member: 307555"><p>Unfortunately the Mac Pro 1.1 and 2.1 both have 32-bit EFI. And I have read everything from yes, you can upgrade the firmware to a 3.1 EFI to no you can't and do not go there, that way lies madness. I will be honest I would not be inclined to update the EFI. All the methods are chancy and might result in a dead mac. </p><p></p><p>The sad part is there is no real reason why Apple used a 32-bit EFI as the logicboard is basically the same as the 3.1. </p><p></p><p>I do suggest you head to MacRumors and check out the Mac Pro forum. There are several discussions on this very subject. Like this one:</p><p></p><p><a href="http://forums.macrumors.com/threads/mac-pro-1-1-64-bit-efi-question.1321155/" target="_blank">http://forums.macrumors.com/threads/mac-pro-1-1-64-bit-efi-question.1321155/</a></p><p></p><p>Lisa</p></blockquote><p></p>
[QUOTE="lclev, post: 1712825, member: 307555"] Unfortunately the Mac Pro 1.1 and 2.1 both have 32-bit EFI. And I have read everything from yes, you can upgrade the firmware to a 3.1 EFI to no you can't and do not go there, that way lies madness. I will be honest I would not be inclined to update the EFI. All the methods are chancy and might result in a dead mac. The sad part is there is no real reason why Apple used a 32-bit EFI as the logicboard is basically the same as the 3.1. I do suggest you head to MacRumors and check out the Mac Pro forum. There are several discussions on this very subject. Like this one: [url]http://forums.macrumors.com/threads/mac-pro-1-1-64-bit-efi-question.1321155/[/url] Lisa [/QUOTE]
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Switcher Hangout (Windows to Mac)
Can a Mac Pro 1.1 handle any gpu when it runs Windows?
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