Mac OS X 10.5 requires an 867 MHz G4 with 512 MB of memory, but is performance really acceptable on a minimum spec system? The Leopard Experience at 867 MHz, Simon Royal, Tech Spectrum, 2008.12.02.Spaces, a feature introduced with OS X 10.5, is like having several monitors on your Mac without the cost and space of using multiple displays. Why Spaces Is My Favorite Leopard (and Snow Leopard) Feature, Charles W Moore, Miscellaneous Ramblings, 2009.11.23.These are the last versions of software compatible with OS X 10.5 Leopard. You don’t have to hack the installer to make the Mac OS X 10.5 installer run on sub-867 MHz G4 Macs by using this simple Open Firmware trick. Faking Out the Leopard Installer with Open Firmware, Dylan McDermond, 2007.12.06.How to install Mac OS X 10.5 on unsupported hardware – plus field reports. Unsupported Leopard Installation, 2007.10.31.Leopard List, our email group for Mac OS X 10.5 users.Leopard Forum, our online group for OS X 10.5 users.Leopard is immune to the “goto fail” bug identified in early 2014.Īfter 22 months as the current version of OS X (only Tiger lasted longer, at 30 months), Leopard was succeeded by 10.6 Snow Leopard on August 28, 2009, the first version of OS X to leave all PowerPC Macs behind.

The number of Macs that had been supported by Tiger and left behind by Leoaprd was the biggest for any release of OS X to date: No G3 models were supported, and the installer would not run G4 Macs slower than 867 MHz, although a few workarounds were discovered to address that. New features included Time Machine automated backup, Stacks, and Cover Flow.īut with every big step forward in features and performance, the Mac OS leaves some older Macs behind. Where Mac OS X 10.4 Tiger had come in separate versions for PowerPC and Intel Macs, the Leopard installer could run on both platforms, and the version of Mac OS X installed could boot either type of hardware.

Leopard itself was also a unified operating system. For the first time, a version of OS X was certified as Unix, and the new unified appearance makes Leopard friendlier and less confusing for users. Mac OS X 10.5 Leopard, released on October 26, 2007, was the biggest change to Mac OS X since Apple first released OS X 10.0 in March 2001.

Mac os x snow leopard installer torrent