The SCSI128/ATTO UL3D Support installer includes a number of files required to use either the Digidesign SCSI|128 or ATTO EPCI-UL3D SCSI Host Bus Adapter cards with Pro Tools 6.0. If you have either of these cards installed in your system, you must run the SCSI128/ATTO UL3D Support installer located on the Pro Tools 6.0 CD. Without this software, you will experience crashes and data loss.You should not install this software if you do not have either the Digidesign SCSI|128 or ATTO EPCI-UL3D SCSI Host Bus Adapter card installed in your system.To install:1. If it is not already installed, install Pro Tools 6.0.2. Quit Pro Tools and all other open applications.3. Double-click the SCSI128/ATTO UL3D Support installer. You must be an administrator to install this software.4. If prompted to replace existing files, click OK.5. When installation is complete, restart your computer.