Toshiba PORTEGE M780 Maintenance Manual page 293

[HDC Status] : P – 1F7h
Bit
7
BSY （ busy ）
6
DRY （ drive ready ）
5
DWF （ write fault ）
4
DSC （ seek complete ）
3
DRQ （ data request ）
2 COR
（ corrected data ）
1
IDX （ index ）
0
ERR （ error ）
PORTEGE M780 Maintenance Manual (960-809)
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Name
0: HDC is ready.
1: HDC is busy.
0: HDD does not accept the command.
1: HDD is ready.
0: Write is successful
1: Write error
0: Seek error
1: Seek normal termination
0: No data transfer request
1: Data transfer being requested.
0: Not used
1: Data error occurrence
0: Not used
1: Index detection
0: Normal termination
1: End with error
Tests and Diagnostics
Function
[CONFIDENTIAL] 3-181