I made few steps again and got this errors: Fist put hdd into Chieftec enclosure IU250 and got: uhub2: device problem (IOERROR), disabling port 6 Then hdd is in canyon enclosure: Feb 12 16:58:23 faust kernel: uhub2: device problem (TIMEOUT), disabling port 6 Feb 12 16:58:31 faust kernel: umass0: Myson Century, Inc. USB Mass Storage Device, rev 2.00/b0.08, addr 2 Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): SCSI Status: Check Condition Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): ILLEGAL REQUEST asc:20,0 Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): Invalid command operation code Feb 12 16:58:32 faust kernel: (probe0:umass-sim0:0:0:0): Unretryable error Simple flash stick works like dragon. What to do further? Zoran