Patent ID: 7061841

Claim:
An optical disc recording/reproducing apparatus including: (a) an optical disc drive; and (b) an optical disc drive control unit coupled to said optical disc drive, for issuing various instructions to said optical disc drive and retrieving the state information from said optical disc drive, said disc drive control unit including: (c) memory means for storing the nominal recordable last position previously recorded on an optical disc; (d) command issuing means for issuing trial write instructions to said optical disc drive, each of said trial write instructions specifying a particular recording position on which a trial writing operation is to occur; (e) result code obtaining means for obtaining the error information from the optical disc drive if any error is detected when the trial writing operation is performed as specified by said trial write instruction issued from said command issuing means; and (f) recordable last position setting means for controlling each of said memory means, said command issuing means and said result code obtaining means, and for determining the end burst position based on the error information obtained by said result code obtaining means, and for setting the recordable last position between said end burst position and said nominal recordable last position stored in said memory means.