CREATE TABLE table_name_4 (frequency VARCHAR(255), part_number_s_ VARCHAR(255), i_o_bus VARCHAR(255), voltage VARCHAR(255))
What is the frequency for I/O bus of DMI, voltage of 0.725–1.4v and part cn80617004458ab?
    
SQL: SELECT frequency FROM table_name_4 WHERE i_o_bus = "dmi" AND voltage = "0.725–1.4v" AND part_number_s_ = "cn80617004458ab"