Rene: The log that you sent me cgb1x1.log was very nearly worthless. The log showed 2644 URBS out, 639 of those were URB_FUNCTION_RESET_PIPE ending with 3 URB_FUNCTION_ABORT_PIPE out, and 3 back. That is about 1 in 4 urbs were resets. Use only a scanner log that ends in a successful scan, best is a small scan.
You could get information on the bulk urbs by the command grep -n "PipeHandle" cgb1x1.log bulk endpoints are 81 and 02 I can not encourage you to continue at this point. You are free to do so, of course. The minimum information needed would be documentation on the controller chip: the registers and what the registers are used for. With the genesys backend there was documentation. So register - value pairs can be identified, and adjustments can be made from there. Without that document it is work best left to the blind. The level of difficulty is too steep to spend time on a manufacturer/device that is not documented; better to work with a scanner that is documented. best regards, Gerald