Patent ID: 7145840

Claim:
A method for verifying sectors on an optical disc, comprising: writing user data to unverified sectors of the optical disc; verifying the unverified sectors of the optical disc by reading the user data on the unverified sectors of the optical disc; and comparing the user data read from the unverified sectors of the optical disc with user data stored on a system buffer to determine whether any one of the unverified sectors having user data is defective, the verifying of the unverified sectors establishing verified sectors having user data; determining if further user data is to be written from the system buffer to the unverified sectors of the optical disc; writing data to the unverified sectors of the optical disc if it is determined that further user data is not to be written to the unverified sectors of the optical disc; and verifying the unverified sectors of the optical disc by reading the data written to the unverified sectors of the optical disc.