Sharkoon QuickPort XT USB3.0 at full speed only

Franz Schwartau franz at electromail.org
Sun Oct 23 20:06:50 UTC 2011


Hi Hans!

On 23.10.2011 21:33, Hans Petter Selasky wrote:
> On Friday 21 October 2011 22:33:17 Franz Schwartau wrote:
>> Hi!
>>
>> I bought a Sharkoon QuickPort XT USB3.0 SATA docking station.
>> Unfortunately it is attached to an OHCI. Thus it runs at full speed (12
>> Mbps) only.
> 
> pciconf -lv | grep -iE "ohci|uhci|ehci|xhci|USB"

ohci0 at pci0:0:18:0:	class=0x0c0310 card=0x50041458 chip=0x43971002
rev=0x00 hdr=0x00
    device     = 'SB700 USB OHCI0 Controller'
    subclass   = USB
ohci1 at pci0:0:18:1:	class=0x0c0310 card=0x50041458 chip=0x43981002
rev=0x00 hdr=0x00
    device     = 'Standard OpenHCD USB-Hostcontroller (SB700)'
    subclass   = USB
ehci0 at pci0:0:18:2:	class=0x0c0320 card=0x50041458 chip=0x43961002
rev=0x00 hdr=0x00
    device     = 'SB700 USB EHCI Controller'
    subclass   = USB
ohci2 at pci0:0:19:0:	class=0x0c0310 card=0x50041458 chip=0x43971002
rev=0x00 hdr=0x00
    device     = 'SB700 USB OHCI0 Controller'
    subclass   = USB
ohci3 at pci0:0:19:1:	class=0x0c0310 card=0x50041458 chip=0x43981002
rev=0x00 hdr=0x00
    device     = 'Standard OpenHCD USB-Hostcontroller (SB700)'
    subclass   = USB
ehci1 at pci0:0:19:2:	class=0x0c0320 card=0x50041458 chip=0x43961002
rev=0x00 hdr=0x00
    device     = 'SB700 USB EHCI Controller'
    subclass   = USB
ohci4 at pci0:0:20:5:	class=0x0c0310 card=0x50041458 chip=0x43991002
rev=0x00 hdr=0x00
    device     = 'SB700 USB OHCI2 Controller'
    subclass   = USB

> Hi,
> 
> The OHCI controller is FULL speed only capable.
> 
> You need EHCI or XHCI at least to be able to get higher speeds.

I know... :-) My machine has OHCI as well as EHCI. But the QuickPort
docking station is attached to an OHCI instead of an EHCI.

	Best regards
		Franz



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