Toshiba Tecra M4 Maintenance Manual page 158

3.19 Hard Disk Test Detail Status
Bit Name
7 BBK
(Bad block mark)
6 UNC
(Uncorrectable)
5 ——
4 IDN
(Identification)
3 ——
2 ABT
(Abort)
1 TK0
(Track 0)
0 ——
TECRA M4 Maintenance Manual (960-521)
Table 3-4 Error register contents
"0" ... Not used
"1" ... A bad block mark is detected.
"0" ... There is no uncorrectable data error.
"1" ... Uncorrectable data error has been detected.
Not used
"0" ... Not used
"1" ... There is no ID field in the requested sector.
Not used
"0" ... Not used
"1" ... Illegal command error or command abort.
"0" ... The hard disk found track 0 during a recalibrate
command.
"1" ... The hard disk could not find track 0 during a
recalibrate command.
Not used
[CONFIDENTIAL]
3 Tests and Diagnostics
Description
3-39