Areca Driver installer for ARC-11XX/12XX/16XX/18XX on Mac OS X 10.4.x(Tiger)/10.5.x(Leopard)/10.6.x(Snow_Leopard)/10.7(Lion) You must have administrative level permissions to install Areca Mac driver & software. You can install driver& software on your or Mac Pro as below: 1. Insert the Areca Mac Driver & Software CD that came with your Areca 6Gb/s SAS RAID controller. 2. Double-click on the following file that resides at \packages\MacOS to add the installer on the Finder. a). install_mraid.zip 3. Launch the installer by double-clicking the install_mraid on the Finder. 4. Follow the installer steps to install Areca driver, MRAID (archttp64 and arc_cli utility) at the same time. 5. Reboot your Mac Pro system. 6.See chapter 5 in the manual for information on customizing your RAID volumes using McRAID storage manager. Normally archttp64 and arc_cli are installed at the same time on 6Gb/s SAS RAID controller. Once archttp64 and arc_cli have been installed, the background task automatically starts each time when you start your computer. There is one MARID icon showing on your desktop. This icon is for you to start up the McRAID storage manager (by archttp64) and arc_cli utility. You can also only upgrade the driver, archttp64 or arc_cli individual item that resides at \packages\MacOS. Arc-cli performs many tasks at the command line. You can download arc-cli manual from Areca website or software CD \ DOCS directory.