#Is my mac 32 bit or 64 how to#

On bootup, hold down the '3' and '2' keys to switch to the 32-bit kernel. To switch back to the 64 bit kernel, run the mand file, also included in the attached zip file.

To switch to the 32 bit kernel, download and unzip the attached file and run the mand file.You must have a password on your system, blank passwords will not be accepted. NOTE: These scripts toggle the nvram, and the changes require authentication. To persistently toggle your Mac Pro to the 32-bit kernel follow the steps below. If this is 'Yes', then the 64-bit kernel is enabled.Д®nter 'uname -a', and at the end of the line that's printed the architecture will be listed ('x86-64' for 64-bit, 'i386' for 32-bit). Under 'System Software Overview', you will see an item labeled '64-bit Kernel and Extensions'.Click on the 'Software' line in the 'Contents' pane.Choose 'About This Mac' from the Apple Menu.To determine if you're running in 64 bit mode: Currently Avid does not support running Media Composer or Symphony using the 64 bit kernel. Newer systems - such as the MacProВ Dual 2.66GHz 6-Core Intel Xeon 'Westmere' - are shipped with the 64 bit kernel enabled. In order to run Media Composer or Symphony 5.0.x / 5.5.xВ on new MacPro systems, you must run using the 32 bit kernel.

How do I switch from the 64 bit kernel to the 32 bit kernel on Mac Snow Leopard systems?

#Is my mac 32 bit or 64 how to#

How to Switch to 32 bit Kernel from 64 bit Kernel on Snow LeopardДownload a command that will allow you to switch between the 32-bit kernel and the 64-bit kernel and back again on Mac Snow Leopard OS