Arima w720k7 socket A cpu upgrade??

Can anyone tell me how the cpu ziff is released? I would like to upgrade my chip but am not sure where the release is, the board as you can see from the title it's an Arima w720k7 board and it's in an emachines m5309.

thanks for any help
Mike

Does your laptop use a mobile CPU that shares the Athlon XP pin array or the smaller "mobil only" mPGA?