hie guys , im kinda new here okay hope u guys can help me , im now having a sapphire 9550 256mb 12b bit card and i want to change it into 9600 but im not sure how to do it.

My card shows - 250 core and 200 memory

How m i suppose to mod it into 9600 since ive heard that people acctually can ahcnge it into 9600