Ati 9550 Driver Installtaion
  1. The Device ID of my ATI Radeon 9550 AGP Card:
    • Vendor ID 1002
    • Device ID 4153 / Device ID 4173
    • How to get it? see here for instruction.
  2. Download ATI Radeon Driver
  3. Boot to MAC OS
    • open terminal: Applications —> Utilities —> Terminal
    • type command: sudo mkdir /backup.ati.driver; mv /System/Library/Extensions/ATI* /backup.ati.driver/
    • extract the driver zip file: unzip /path/to/ATI_9550_C008_AGP.zip
    • mouse click the pkg icon to install it.
    • reboot the system.
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