Hi Gary, You Mac Pro was Introduced August 2006 - Discontinued Jan. 2008. The Maximum (supported) OS is Mac OS X 10.7.5
I personally would NOT recommend 'hacking' to install Mavericks on an unsupported machine, especially if it is your work machine... Read all the comments on the forums from people who have attempted this. If you do decide to attempt any of the below 'hacks', make sure you backup first... have backups which include a bootable backup (& test you can boot from your backup) of your current system. Cheers, Ronni > On 21 Feb 2014, at 2:22 pm, gdorn <gd...@me.com> wrote: > > Hi > > I'm was making progress to install mavericks on macpro 1,1 (2- 2.66) 13 GB > RAM, ATI Radeon 5770 + Nvidia Gforce 7300 GT- but alas the installer says > its unsupported. > > A search suggest there are workarounds, with instructions on how to do it vi > a number of ways. > > > http://superuser.com/questions/704751/how-to-upgrade-mac-pro-1-1-from-os-x-10-6-8-to-os-x-10-9-mavericks > > > http://www.reddit.com/r/apple/comments/1rsp3q/install_mavericks_on_older_mac_pro_11_21_20062007/ > > http://retrocosm.net/2014/01/04/mac-pro-11-and-mavericks/ > > http://forums.macrumors.com/showthread.php?t=1685804 > > > Is any of these methods a recommended thing to do, has anyone else (on this > list) done it ? > > are there any dangers to running these hacks to get mavericks to install ? > > can I install it on a separate hardisk ( I have 3 installed) > > > thanks for any advice or recommendations > > chow > > > gary dorn > gd...@mac.com
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