How to crossfire onboard video ati 4250 and ati 5570

hello..can you tell me how to crossfire the ATI 4250 onboard IGP on BIOSTAR A880+ with GPU card ATI 5570,it indicates the board and GPU card are ready for crossfire but i dont know how to do that..
hope you can help me with this. Thanks in Advance..
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More about crossfire onboard video 4250 5570
  1. What indicated the board and GPU are ready for crossfire?

    If the mobo is crossfire ready you would need more than 1 discrete gpu...
  2. Please read the following link regarding crossfire compatibility and requirements:
  3. Hybrid ATI CrossFire™ Platform(Onboard GPU + 1 discrete GPU) Requirements:

    The requirements of a ATI Hybrid CrossFire system are:
    ATI Radeon™ HD 2400 Series, ATI Radeon™ HD 3400 Series or ATI Mobility Radeon™ HD 3400 Series graphics processor
    ATI Radeon™ HD 2400 supports only ATI Hybrid CrossFireX™ technology and ATI SurroundView™ technology.
    A motherboard based on an AMD 780G or AMD 790GX integrated chipset
    Windows Vista®

    If you meet all the requirements I would download GPU-Z and check if crossfire is turned on.

    You can also get CCC (Catalyst control center) from AMD's website. I can turn on/off my crossfire from that location.
  4. so..the 5570 ATI Card wont work on BIOSTAR A880G+ onboard IGP ATI 4250 for Crossfire?:(
    anyway..THANKS inerax
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