Method of verifying defect management area information of...

Details Method of verifying defect management area information of... Method of verifying defect management area information of...

G - Physics

11

B

G11B 27/36 (2006.01) G11B 7/007 (2006.01) G11B 19/04 (2006.01) G11B 20/18 (2006.01)

Patent

CA 2342555

A method of verifying that defect management area (DMA) information is normally generated or updated upon reinitialization with certification in a disc recording and reproducing apparatus, and a test apparatus for performing the method. The method includes performing reinitialization with certification in a recording and reproducing apparatus using test reference information and a test disc with physical defects, generating test information from the defect management information which is generated after the reinitialization, comparing reference information expected from the test reference information and physical defects with the test information, and providing the result of verification of the test information. Accordingly, it can be easily understood whether the DMA generation or updating function is normally performed in the disc recording and reproducing apparatus in a mode of reinitialization with certification.

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