Dear Teo En Ming, Most likely something is not implemented in wine and usb patch and it is not so fast to fix it. You can run wineserver -k WINEDEBUG=+winedevice,+ntoskrnl,+usbhub,+setupapi,+file wine your_program &> log and try to find what is bad in log Best regards, Alexander Morozov On Friday 17 September 2010 17:48:00 Mr. Teo En Ming (Zhang Enming) 张恩鸣 of Singapore wrote: > Dear Alexander Morozov, > > Thank you for your response. > > I have tried to ensure that the permissions for the Sony IC Recorder in > /dev/bus/usb/005/009 is > crw-rw-rw- by executing the following command: > > chmod o+rw /dev/bus/usb/005/009 > > However, Sony Digital Voice Editor 3 still cannot detect the IC Recorder. > > Do you have any more ideas? > > Thank you.