This Solaris release supports systems that use the SPARC and x86 families of processor architectures: UltraSPARC, SPARC64, AMD64, Pentium, and Xeon EM64T. The supported systems appear in the Solaris OS: Hardware Compatibility Lists at . This document cites any implementation differences between the platform types.In this document these x86 related terms mean the following:“x86” refers to the larger family of 64-bit and 32-bit x86 compatible products. “x64” points out specific 64-bit information about AMD64 or EM64T systems. “32-bit x86” points out specific 32-bit information about x86 based systems. For supported systems, see the Solaris OS: Hardware Compatibility Lists.