The present invention provides a method of operating a disk drive having data sites on a disk for recording data thereon. The disk drive is connectable to a host computer and maintains a defect table comprising defective sites reportable to the host computer. The method includes the step of discovering...http://www.google.com.tw/patents/US6223303?utm_source=gb-gplus-share專利 US6223303 - Disk drive having two tiered defect list comprising marginal and reserved data sectors
