Seagate ST3146854LC - Cheetah 146.8 GB Hard Drive User Manual page 52

used when data integrity is not a concern and speed is of utmost importance. If the Recovery Time Limit or
retry count is reached during error recovery, the state of the RC bit is examined. If the RC bit is set, the drive
will transfer the unrecovered data with no error indication and continue to execute the remaining command. If
the RC bit is not set, the drive will stop data transfer with the last good LBA, and report a "Check Condition,
Unrecovered Read Error."
42 Cheetah 15K.4 SCSI Product Manual, Rev. D