Toshiba A10 manual Error register contents

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

Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445) 3-55