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AlBook USB states 2.0, but System Profiler says 1.0
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Dedicated MacNNer
Join Date: Oct 1999
Status:
Offline
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I just noticed today that the Apple System Profiler states my new PowerBook G4 1.5GHz USB bus speed is rated "Up to 12 Mb/Sec. How can this be as both USB ports are advertised as USB 2.0 -- e.g. 480 Mb/Sec.
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Power Mac Quad G5 2.5GHz, OS X 10.4.10
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Aluminum 23" HD Cinema Display
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Aluminum 15" PowerBook G4 w/Superdrive
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iPhone 8GB
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Mac Elite
Join Date: Oct 2003
Location: New York City, NY
Status:
Offline
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the "USB HIgh-speed Bus" is rated at 480Mb/s
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iamwhor3hay
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Forum Regular
Join Date: Oct 2003
Location: Germany
Status:
Offline
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Your system has four USB buses.
The USB "High Speed" bus (which is USB 2.0) that has the two USB connectors on the outside of the case.
One USB (which ist USB 1.1) bus which is internal and used for the Bluetooth module.
And two USB 1.1 buses which are simply "there" because the internal controller provides them, but they don't have any conectors.
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Dedicated MacNNer
Join Date: Oct 1999
Status:
Offline
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Thanks for the quick responses! After reader your posts I realized what I did wrong, I didn't select the other USB Buses in the device tree 
After I checked out those other buses the light came on ;-)
Thanks again!
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Power Mac Quad G5 2.5GHz, OS X 10.4.10
===
Aluminum 23" HD Cinema Display
===
Aluminum 15" PowerBook G4 w/Superdrive
===
iPhone 8GB
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