Can i overclock ATI Mobility Radeon HD 550v ???

Can i overclock ATI Mobility Radeon HD 550v ???If yes then tell how much can i overclock.

here are the specifications below


Core Speed =450 MHz
Shader Speed =450 MHz
Memory Speed =600 MHz
Memory Bus Width=128 Bit

Upto how much can i increase my core clock,memory clock & shader clock, i mean what is the maximum clock speed i can get??