Symbol: acpica_check_bios_date
usr/src/uts/intel/io/acpica/acpica.c
328
return (!acpica_check_bios_date(2004, 10, 12));
usr/src/uts/intel/io/acpica/acpica.c
379
acpica_enable = acpica_check_bios_date(1999, 1, 1);