Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Cannot upgrade from Lion to Mountain

Hi everybody,


My brother just gave a Mac Pro 2006 (MA356LL/A), he was running leopard 10.5 server OS, I installed mountain (not server) to use it as my desktopand it is running great, Now, My question is WHY I CANNOT UPGRADE TO MOUNTAIN LION, when I try to upgrade it says that that the machine does not support it..


Technical Specifications


Two 2.66GHz Dual-Core Intel Xeon processors

5of 667MHz DDR2 ECC fully buffered DIMM

NVIDIA GeForce 7300 GT 256MB (single-link DVI and dual-link DVI)

500GB x 3 Serial ATA 3Gb/s; 7200 rpm; 8MB cache


URL: http://support.apple.com/kb/SP30

Mac Pro, Mac OS X (10.7.5)

Posted on Feb 6, 2013 5:21 PM

Reply
Question marked as Best reply

Posted on Feb 6, 2013 5:24 PM

That model is not capable of running Mountain Lion. Lion is the end of the OS X road for it.

6 replies

Feb 6, 2013 5:24 PM in response to kosh82

The Mountain Lion requirements are listed below.

OS X Mountain Lion system requirements

To install Mountain Lion, you need one of these Macs:


iMac (Mid 2007 or newer)

MacBook (Late 2008 Aluminum, or Early 2009 or newer)

MacBook Pro (Mid/Late 2007 or newer)

MacBook Air (Late 2008 or newer)

Mac mini (Early 2009 or newer)

Mac Pro (Early 2008 or newer)

Xserve (Early 2009)

Cannot upgrade from Lion to Mountain

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple ID.