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How to Install Prime95 for the NSU Team

Mac OS X

Download the Mac version of Prime95 (called mprime) from http://www.mersenne.org/freesoft/#newusers. Save the file to your desktop.

Open the Terminal application. It is located in the /Applications/Utilities folder.

Enter the command sudo mkdir /Library/mersenne. This creates the folder where you will install the mprime files.

Enter the command cd ~/Desktop/ to change directory to your desktop (where you saved the downloaded file).

Enter the command sudo tar -zxvf mprimexxx-MacOSX.tar.gz --directory /Library/mersenne to extract the mprime files to /Library/mersenne. Replace the xxx in the file name with the appropriate version number.

Enter the command sudo /Library/mersenne/mprime to start configuring mprime.

When prompted for a username, enter linded.

When prompted for a computer name, if your computer is owned by NSU enter the serial number.

For most of the rest of the fields you are prompted for, just enter for the default values.

For memory, here are our recommendations.
Suggested memory settings for Prime95 on Mac OS X
System RAM: 512 MB 1 GB 1.5 GB 2 GB 3 GB 4 GB 5 GB 6 GB 8 GB or more
Daytime Memory: 16 MB 96 MB 128 MB 256 MB 256 MB 512 MB 1024 MB 1536 MB 2048 MB
Nighttime Memory: 32 MB 384 MB 512 MB 1024 MB 1024 MB 2048 MB 3072 MB 4096 MB 6144 MB

Once you are done with the configuration, the program will contact the PrimeNet server to receive assignments. As soon as it is done communicating with the server hit [Ctrl]-C, then type in 5 and hit [Enter] to exit.

Download the org.mersenne.mprime.plist file here. Save it to your desktop and remove the .txt extension.

Back in the Terminal, enter the command sudo cp org.mersenne.mprime.plist /Library/LaunchDaemons/.

Enter the command sudo chown root:wheel /Library/LaunchDaemons/org.mersenne.mprime.plist to set the permissions so that launchd will load it.

Enter the command sudo launchctl load /Library/LaunchDaemons/org.mersenne.mprime.plist to start mprime. If you get no errors, then you are done. Mprime will start automatically when your computer restarts.