Slow USB connection

DenizC1

Junior Member
Debugger devices such as STLINK, XDC110 work too slow on Windows and Linux Guest's.. On VirtualBox and Fusion 11 they are usable..

If I connect USB 3.0 External HDD to the same hub that debuggers are connected to, it is connected to a 3.0 host controller in Parallels Guest. However, debuggers are connected to Intel 82801FB Usb Universal Host Controller.. Looks like it is even not a USB2 controller.. In Fusion, debuggers are listed under a 3.0 Host Controller.. Can this be causing slow connection problem? Can I choose the host controller that the device is connected to?
 

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You can try to specify system flag in the VMConfiguration -> Hardware -> Boot Order -> Advanced
"devices.usb.speed.1234:5678=3" (without quotes) where 1234 is the VID of the device and 5678 is the PID
but I'm really not sure whether this would help.
 
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