1. prtconf | more
   System Configuration: Oracle Corporation i86pc
   Memory size: 8190 Megabytes
   System Peripherals (Software Nodes):

1. uname -a
   SunOS name 5.10 Generic_147441-12 i86pc i386 i86pc

./zabbix_get -s name -k vm.memory.size[available]
18446744073649700864 --> totaly WRONG

./zabbix_get -s name -k vm.memory.size[total]
8587792384

./zabbix_get -s name -k vm.memory.size[inactive] ZBX_NOTSUPPORTED
./zabbix_get -s name -k vm.memory.size[cached] ZBX_NOTSUPPORTED
./zabbix_get -s name -k vm.memory.size[free]
3120717824