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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="pigoo3" data-source="post: 1247623" data-attributes="member: 56379"><p>The short answer is this...you bought a lower-cost "flashed" 5770 for your Mac Pro 1,1. The problems you're facing or confused by are mentioned by many good e-bay sellers of "flashed" 5770 video cards for Mac Pros.</p><p></p><p>If you don't know what I mean by "flashed"...it's what is done with the Windows version of the 5770 (which costs a lot less $$$) so that it will work on a Macintosh...but this is never 100% effective. The issues you describe don't exist with the genuine $250 card sold by Apple.</p><p></p><p>HTH,</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1247623, member: 56379"] The short answer is this...you bought a lower-cost "flashed" 5770 for your Mac Pro 1,1. The problems you're facing or confused by are mentioned by many good e-bay sellers of "flashed" 5770 video cards for Mac Pros. If you don't know what I mean by "flashed"...it's what is done with the Windows version of the 5770 (which costs a lot less $$$) so that it will work on a Macintosh...but this is never 100% effective. The issues you describe don't exist with the genuine $250 card sold by Apple. HTH, - Nick [/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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