User Guide

3 Test and Diagnostics 3.23 Hard Disk Test Detail Status
Table 3-4 Error register contents
Bit Name Description
7 BBK
(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 IDN
(Identification)
“0” Not used
“1” There is no ID field in the requested sector.
3 —— Not used
2 ABT
(Abort)
“0” Not used
“1” Illegal command error or a command abort error.
1 TK0
(Track zero)
“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.
Satellite A50/TECRA A2 Maintenance Manual (960-478) 3-56