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