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Apple Computing Products:
macOS - Desktop Hardware
Memtest report
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<blockquote data-quote="pigoo3" data-source="post: 1461123" data-attributes="member: 56379"><p>Thanks for the info. Three Powermac G5's would fall into that category…but it does narrow things down quite a bit.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>If this Powermac G5 truly is a "Late 2005" model…it's only supposed to be using PC-4200 ram. The prior Powermac G5 generation used PC-3200. </p><p></p><p>Powermac G5's can be pretty sensitive to what ram is used in them…and in this case it's even more important to use the correct ram…because the "Late 2005" Powermac G5's is when the processor design went from a "dual-cpu" setup to a "dual-core" setup (for the 2-cpu models…there was a quad-core as well).</p><p></p><p>Long story short…I would remove the 4gig of PC-3200 ram…and only install PC-4200. And that's PC-4200 ram that is also guaranteed to be Macintosh compatible…which the folks at OWC and Crucial sell.</p><p></p><p>HTH,<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1461123, member: 56379"] Thanks for the info. Three Powermac G5's would fall into that category…but it does narrow things down quite a bit.:) If this Powermac G5 truly is a "Late 2005" model…it's only supposed to be using PC-4200 ram. The prior Powermac G5 generation used PC-3200. Powermac G5's can be pretty sensitive to what ram is used in them…and in this case it's even more important to use the correct ram…because the "Late 2005" Powermac G5's is when the processor design went from a "dual-cpu" setup to a "dual-core" setup (for the 2-cpu models…there was a quad-core as well). Long story short…I would remove the 4gig of PC-3200 ram…and only install PC-4200. And that's PC-4200 ram that is also guaranteed to be Macintosh compatible…which the folks at OWC and Crucial sell. HTH,:) - Nick [/QUOTE]
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Apple Computing Products:
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Memtest report
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