This language support enhancement is new in the Solaris Express 3/06 release.
This feature provides a new command option kbd -s language. This option enables users to configure keyboard layouts in kernel. The Zero-CountryCode keyboard layout feature is particularly useful on SPARC systems. In prior releases, all “non-self-ID keyboards” were always recognized as US layout keyboard on SPARC systems.
For more information, see kbd(1) man page.