> device is sold as USB 2.0

should be:

device is sold as USB 1.1

mistake

>
> the machine in which is does NOT work is athlon64 with such usb:
>
> ohci0 at pci0 dev 2 function 0: Nvidia nForce3 250 USB Host Controller (rev. 
> 0xa1)
> ohci0: interrupting at ioapic0 pin 5 (irq 5)
> ohci0: OHCI version 1.0, legacy support
> usb0 at ohci0: USB revision 1.0
> uhub0 at usb0
> uhub0: Nvidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub0: 4 ports with 4 removable, self powered
> ohci1 at pci0 dev 2 function 1: Nvidia nForce3 250 USB Host Controller (rev. 
> 0xa1)
> ohci1: interrupting at ioapic0 pin 5 (irq 5)
> ohci1: OHCI version 1.0, legacy support
> usb1 at ohci1: USB revision 1.0
> uhub1 at usb1
> uhub1: Nvidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub1: 4 ports with 4 removable, self powered
> ehci0 at pci0 dev 2 function 2: Nvidia nForce3 250 USB2 Host Controller (rev. 
> 0xa2)
> ehci0: interrupting at ioapic0 pin 5 (irq 5)
> ehci0: EHCI version 1.0
> ehci0: companion controllers, 4 ports each: ohci0 ohci1
>
>
>
>
> can ehci be a problem? should i try to disable it?
>
>