Patent ID: 7649822

Claim:
A recording/reproducing apparatus, characterized by comprising: a recording medium having different transfer rates in accordance with record positions; and control means for controlling a temporary record area to be released by writing data transferred from a host apparatus into the temporary record area with use of a predetermined record area of the recording medium as the temporary record area, and transferring the data from the temporary record area to another record area having a lower transfer rate than that of the temporary record area during an idle period, wherein the control means reads a table in the recording medium into a memory storing the table for managing address information on a file in the recording medium in response to a switch command from the host apparatus for switching to a write mode with use of the temporary record area, checks an empty area in the temporary record area or in the another record area with reference to the table stored in the memory, and notifies a write start address of the another record area to the host apparatus.