Use the appropriate reference below, depending on which OS you want to use:
If you want to use the preinstalled Solaris 10 operating system, see Configuring the Preinstalled Solaris OS.
If you want to install a supported Linux OS, the Solaris OS, the OpenSolaris OS, or the VMWare virtualization software with the required drivers, refer to the Sun Netra X4270 Server Operating System Installation Guide. This document also contains procedures for installing the Solaris operating system from media.
For additional OS considerations specific to this server, refer to the Sun Netra X4270 Server Product Notes.