3.23 Hard Disk Test Detail Status 3 Tests and Diagnostics Table 3-6 Error register contents Bit Name Description
7 BBK1
(Bad block
mark)
“0” … Not used
“1” … A bad block mark is detected.
6 UNC
(Uncorrectable)
“0” … There is no uncorrectable data error.
“1” … Uncorrectable data error has been detected.
5 —— Not used
4 IDNF
(Identification)
“0” … Not used
“1” … There was no ID field in the requested sector.
3 —— Not used
2 ABRT
(Abort)
“0” … Not used
“1” … Illegal command error or a drive status error occurred.
1 TK00
(Track 0)
“0” … The hard disk found track 0 during a recalibrate
command.
“1” … The hard disk could not find track 0 during a recalibrate
command.
0 —— Not used.
TECRA M1 Maintenance Manual (960-436) 3-65