				xxxx
                                ||||
                                ||------------------------
       --------------------------- 			 |
       |			                   11 CRC error
       |			                   12 Bad media
00 Media                       	                   13 Id not found
01 Label read				           14 Verify error
02 label write 					   15 Address mark not found
03 Format             
04 Restore                                         21 No seek complete
05 Sector test                                     22 Int time out
06 Track read                           	   23 Command aborted
07 Track write	                                   24 Request time out	
                                                   25 Write fault
10 48 sector init                                  26 Disk not ready
FF cylinder zero bad				   27 Not busy time out
                                                   28 Command in progress
                                                   29 Track zero error
                                                   2A Buffer size fail

						   88 Added by user
						   90 too many bad blocks
						   99 126 bad blocks if < 40M
						      382 bad blocks if > 40M
