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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: 1247627" data-attributes="member: 56379"><p>If this is true...and you bought the card from Apple...return it. Then either get another 5770...or get another 8800 to replace the 8800 you had previously.</p><p></p><p>According to OWC...the 5770 is compatible with Mac Pro 1,1's:</p><p></p><p><a href="http://eshop.macsales.com/item/Apple/6615718/" target="_blank">http://eshop.macsales.com/item/Apple/6615718/</a></p><p></p><p>The OWC info says that the 5770 is confirmed to work with OS 10.6.4 on the Mac Pro 1,1. Technically speaking...other OS versions have not been tested (such as 10.6.7 you have on your Mac Pro).</p><p></p><p>Also remember (technically speaking) Apple mentions that the 5770 is compatible with 2010 Mac Pro's:</p><p></p><p><a href="http://store.apple.com/us/product/MC742ZM/A?fnode=MTY1NDA5OQ&mco=MTg2OTU0NzM" target="_blank">http://store.apple.com/us/product/MC742ZM/A?fnode=MTY1NDA5OQ&mco=MTg2OTU0NzM</a></p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1247627, member: 56379"] If this is true...and you bought the card from Apple...return it. Then either get another 5770...or get another 8800 to replace the 8800 you had previously. According to OWC...the 5770 is compatible with Mac Pro 1,1's: [url]http://eshop.macsales.com/item/Apple/6615718/[/url] The OWC info says that the 5770 is confirmed to work with OS 10.6.4 on the Mac Pro 1,1. Technically speaking...other OS versions have not been tested (such as 10.6.7 you have on your Mac Pro). Also remember (technically speaking) Apple mentions that the 5770 is compatible with 2010 Mac Pro's: [url]http://store.apple.com/us/product/MC742ZM/A?fnode=MTY1NDA5OQ&mco=MTg2OTU0NzM[/url] - 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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