Toshiba PORTEGE R830 Maintenance Manual page 282

[Error register] Ｐ – 1F1h
Bit Name
7 BBK（BadBlockMark） 0: Not used
6
UNC（uncorrectable）
5 - - -
4 IDN
（identification）
3 - - -
2
ABT（about）
1
TK0（track zero）
0 0 - - -
PORTEGE R830 Satellite R830 Series Maintenance Manual (960-880)
1: Defective block mark detection.
0: No uncorrectable data error
1: Uncorrectable data occurrence
0: Not used
1: No ID field
0: Not used
1: Illegal command or command abort
0: Track 0 detection
1: Track 0 not detection
(When recalibrated)
Tests and Diagnostics
Function
[CONFIDENTIAL] 3-173