You have a USB storage device that you cannot get working. You have enabled all appropriate USB options in the latest 2.2 kernel but still cannot get your device working.
What is most likely the source of the problem?

A.
You are using the wrong kernel for this type of device.

B.
You have not configured your usb.usermap properly.

C.
There is a USB resource conflict.

D.
The USB device is not USB 2.0 compliant.

Explanation:
You’ll need a 2.4.0 or in some cases a 2.2.18 kernel for USB to work.