Not sure why it needs power as the PCI slot offers it.
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In any case the connection on the board implies its looking for USB power which is 5 Volts at 500 mA (0.5 A) for USB 2.0 and 900 mA (0.9 A) for USB 3.0. So you'll need to find a source within the system to supply that.
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In any case the connection on the board implies its looking for USB power which is 5 Volts at 500 mA (0.5 A) for USB 2.0 and 900 mA (0.9 A) for USB 3.0. So you'll need to find a source within the system to supply that or use an external USB power supply.
Is there a reason you didn't just use the built-in Airport port on the main logic board?
Not sure why it needs power as the PCI slot offers it.
In any case the connection on the board implies its looking for USB power which is 5 Volts at 500 mA (0.5 A) for USB 2.0 and 900 mA (0.9 A) for USB 3.0. So you'll need to find a source within the system to supply that.
Is there a reason you didn't just use the built-in Airport port on the main logic board?