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paulsherwin · 28th Aug 2017, 10:24 am

That is certainly odd. All USB2 interfaces are required to support USB1.1 as part of the standard, and will use that if they can't negotiate USB2 properly. I suspect that the driver software doesn't support USB2 for that chipset.

The card itself is very unlikely to be restricted to USB1.1 if it has been made in the last decade, though nothing is impossible.

28th Aug 2017, 10:24 am	#28
paulsherwin Moderator Join Date: Jun 2003 Location: Oxford, UK Posts: 27,969	Re: "Vintage" PowerMac G4/800 (2002) That is certainly odd. All USB2 interfaces are required to support USB1.1 as part of the standard, and will use that if they can't negotiate USB2 properly. I suspect that the driver software doesn't support USB2 for that chipset. The card itself is very unlikely to be restricted to USB1.1 if it has been made in the last decade, though nothing is impossible.