However, the maximal amount of RAM to be used is still limited to 3.5GB; but one can now modify the RAM available without physically removing the modules. Enter the following command:
sudo nvram boot-args="maxmem=3500"Following password and rebooting, the MacPro should be able to run Parallels without problems.
To restore the original RAM settings, simply enter the command again indicating the real amount of RAM installed.
