3.18 HDC Status 3 Tests and Diagnostics
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 was no ID field.
3 —— Not used
2 ABT
(Abort)
“0” … Not used
“1” … Illegal command error or a command abort.
1 TK0
(Track zero)
“0” … The hard disk detected track 0.
“1” … The hard disk could not detect track 0.
0 —— Not used.
PORTEGE R100 Maintenance Manual (960-440) 3-45