USB hub is slow - it connects to 1.1. controller instead of 2.0


My problem is that my new USB hub device (4World with external power supply - 4 ports - is slow. When I connect external disk directly to USB port (on my PC) I got fast speed (20MB/s) but when I connect it through USB hub I got low speed (800kb/s). USB hub seems to be certified for usb 2.0 - at least it is printed on box.
I did some research and via USBInfo program I found out that USB hub connects controller 1.1 (inside my PC) instead of controller 2.0 - I don't know why. Is this the problem?
I have made a picture (USB hub is the one named as GASIA - Generic USB hub)
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More about slow connects controller
  1. I'v tried to connect USB hub to every usb port on my notebook. It's still slow even if external disk is fast in any port on my PC
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