i am unable to startup database in SQL after i tried to increase the memory size .
i have followed the below process
SQL> conn sys/manager as sysdba;
SQL> alter system set processes=1000 scope=spfile;
SQL> alter system set sga_target=360M scope=spfile;
SQL> alter system set sga_max_size=360M scope=spfile;
ORACLE instance shut down.
ORA-01078: failure in processing system parameters
ORA-00838: Specified value of MEMORY_TARGET is too small, needs to be at least 3
..i tried changing MEMORY_TARGET with different values but unable to start up
i am using a 32-bit machine with windows-vista operating system
;;please help me out .....thanks in advance