420 Series 3-39
Table 3-4 Error register contents
Bit Name Description
7 BBK1 “0” Not used
(Bad block “1” A bad block mark is detected.
mark)
6 UNC “0” There is no uncorrectable data error.
(Uncorrectable) “1” Uncorrectable data error has been detected.
5 —— Not used
4 IDNF “0” Not used
(Identification) “1” There was no ID field in the requested sector.
3 —— Not used
2 ABRT “0” Not used
(Abort) “1” Illegal command error or a drive status error occurs.
1 TK00 “0” The hard disk has found track 0 during a recalibrate command.
(Track 0) “1” The hard disk could not find track 0 during a recalibrate command.
0 —— Not used
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