James Webster3
Level 1 (15 points)

Q: ATI Radeon HD 5770 in MacPro 1,1

I've searched all over these forums, there was some talk about the ATI Radeon HD 5770 working in a 1,1 MacPro, but I never really found a definitive answer. In the apple catalog someone posted this:

"It should be fine ATI cards unlike nvidia are built to be compatible with both EFI 32 and EFI 64 interfaces and i know the 4870 is fully compatible even with the first generation intel mac pro some people were saying that the 5770 takes up 2 pci express slots but that is just false i havent had the chance to try it myself since my 4870 is enough for me but i am sure it should work just fine"

Any final word on this? I'm eager to upgrade.

MacPro1,1, Mac OS X (10.6.4)

Posted on Aug 14, 2010 11:06 AM

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James Webster3

Q: ATI Radeon HD 5770 in MacPro 1,1

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  • by IntoTheWild79,

    IntoTheWild79 IntoTheWild79 May 9, 2014 11:44 AM in response to Grant Bennet-Alder
    Level 1 (0 points)
    May 9, 2014 11:44 AM in response to Grant Bennet-Alder

    Hi Grant,

     

    Well after following you advise above regarding repair disk from a bootable clone or similar, this has solved the issue, I'm sure the additional RAM has helped no end but this has been the thing where i've seen noticable differences, streaming works like a charm, no stutter what-soever. Big thank you Grant, that was really ******* me off #legend

     

    Have a great weekend!!

  • by Grant Bennet-Alder,

    Grant Bennet-Alder Grant Bennet-Alder May 9, 2014 12:06 PM in response to IntoTheWild79
    Level 9 (61,390 points)
    Desktops
    May 9, 2014 12:06 PM in response to IntoTheWild79

    What that procedure does is to free all the deleted data that the SSD drive has been carting along, since without TRIM Enabled, it does not get told when blocks are deleted. Once the SSD knows there are more than a handful of freed blocks available, it can combine them (through its internal garbage collection) into pre-erased SuperBlocks, ready for immediate Writing when needed. That is what provides the speedup.

     

    http://en.wikipedia.org/wiki/TRIM

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