What is the best setting for core 2 duo t9900?   

Current setting
-o stratum+tcp://aeon.pool.minergate.com:45690 -u mail -p pass -t 2

20-26H/s

core = 2
clock = 3.06GHz
overclock = none
L1cache = 128KB
L2cache = 6MB
L3cache = none
memory = 8GB(DDR2)