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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="jabroni5" data-source="post: 1249887" data-attributes="member: 147543"><p>Hello again Nick, harryb2448, Slydude. As usual, thanks for your continued help with my issue. Just to re-cap, since it's been a few days; Last time I posted, I was still struggling to get my Radeon 5770 graphics card to display anything during the boot process.</p><p></p><p>Well, problem solved. As is probably common with home users who refuse to seek hands-on guidance, the solution turned out to be obvious, and I feel really dumb. What has been happening is that I have my 20" Apple Cinema display plugged into the DVI port, and my flat-screen TV plugged into the mini-display port. Even when the TV is off, the 5770 defaults all pre-boot processes to the mini-display port. So all I had to do to fix this problem was either unplug my TV from the mini-display port, or turn it on, and perform the diagnostics on the TV instead. G whiz.</p><p></p><p>Furthermore, the problem is well documented, if I'd only known what I was looking for.</p><p><a href="http://store.apple.com/us/product/MC742ZM/A" target="_blank">ATI Radeon HD 5770 Graphics Upgrade Kit for Mac Pro (Mid 2010) - Apple Store (U.S.)</a></p><p>Check the first post, beneath the "Most Interesting" column.</p><p></p><p>USING the 10.4.7 OS X system disks, I have run Apple Hardware Test, which has reported no failures. My fan issue seems to have been resolved for the moment, though I still get periodic sleep/wake issues which are probably just related to too many devices plugged into the USB hub, hard for me to say.</p><p></p><p>I just wanted to be sure I wasn't mis-leading anyone too greatly w/ regard to the value of the ATI Radeon HD 5770 on the Mac Pro 1,1. It's not cheap, if you buy it direct from Apple (instead of OWC, as Nick suggested), but this minor flaw is absolutely NOT a deal breaker for me. It's a very good card in this machine. ;D</p><p></p><p>Thanks again for being contributors, you're credits to the forum.</p><p>-jabroni5</p></blockquote><p></p>
[QUOTE="jabroni5, post: 1249887, member: 147543"] Hello again Nick, harryb2448, Slydude. As usual, thanks for your continued help with my issue. Just to re-cap, since it's been a few days; Last time I posted, I was still struggling to get my Radeon 5770 graphics card to display anything during the boot process. Well, problem solved. As is probably common with home users who refuse to seek hands-on guidance, the solution turned out to be obvious, and I feel really dumb. What has been happening is that I have my 20" Apple Cinema display plugged into the DVI port, and my flat-screen TV plugged into the mini-display port. Even when the TV is off, the 5770 defaults all pre-boot processes to the mini-display port. So all I had to do to fix this problem was either unplug my TV from the mini-display port, or turn it on, and perform the diagnostics on the TV instead. G whiz. Furthermore, the problem is well documented, if I'd only known what I was looking for. [url=http://store.apple.com/us/product/MC742ZM/A]ATI Radeon HD 5770 Graphics Upgrade Kit for Mac Pro (Mid 2010) - Apple Store (U.S.)[/url] Check the first post, beneath the "Most Interesting" column. USING the 10.4.7 OS X system disks, I have run Apple Hardware Test, which has reported no failures. My fan issue seems to have been resolved for the moment, though I still get periodic sleep/wake issues which are probably just related to too many devices plugged into the USB hub, hard for me to say. I just wanted to be sure I wasn't mis-leading anyone too greatly w/ regard to the value of the ATI Radeon HD 5770 on the Mac Pro 1,1. It's not cheap, if you buy it direct from Apple (instead of OWC, as Nick suggested), but this minor flaw is absolutely NOT a deal breaker for me. It's a very good card in this machine. ;D Thanks again for being contributors, you're credits to the forum. -jabroni5 [/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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