Pillsbury Winthrop Shaw Pittman, LLP
Method and apparatus for error correction of read data in a disk drive
A disk drive comprising a read channel including a decoder and an EP unit, and a disk controller including an error correction unit is disclosed. The EP unit generates error positional information showing an error position among data output from the decoder. The disk controller has an EP buffer memory accumulating the error positional information. The error correction unit executes error correction by using highly accurate error positional information from the EP buffer memory.
Kabushiki Kaisha Toshiba
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inventional additional inventional
Kenji
Yoshida