This is the DC-IN board for the Aluminum G4 12" models. This is the part that the power adapter plugs into, and is a common cause of problems on the Aluminum model. This replacement part is from Apple.
For over 13 years, Powerbook Medic has been providing parts, repair, and service for a variety of gadgets. In that time, over 300,000 orders have left our facility for US and international destinations to help save old devices from the landfill and bring them back to working condition.