5.3 Host Commands

At command issuance (Shadow Block Registers setting contents)

CM

1

1

0

 

0

0

1

0

0

 

 

 

 

 

 

 

 

 

DH

x

L

x

 

x

 

HD No. / LBA

 

 

 

 

 

 

 

 

 

CH

 

Start cylinder No. [MSB] / LBA

 

 

CL

 

Start cylinder No. [LSB]

/ LBA

 

 

SN

 

Start sector No.

 

 

/ LBA [LSB]

 

SC

 

 

Transfer sector count

 

 

FR

 

 

 

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

 

 

At command completion (Shadow Block Registers contents to be read)

ST

 

 

 

Status information

 

 

 

 

 

 

 

 

DH

x

L

x

 

x

 

HD No. / LBA

 

 

 

 

 

 

CH

 

End cylinder No. [MSB] / LBA

CL

 

End cylinder No. [LSB]

/ LBA

SN

 

End sector No.

/ LBA [LSB]

SC

 

 

 

(*1)

 

ER

 

 

 

Error information

 

 

 

 

 

 

 

 

*1 If the command is completed normally, the number of remaining sectors is set in this field.

If the command is terminated because of an error, the number of sectors for which data has not been transferred is set in the field.

C141-E269

5-91

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Image 169
Fujitsu MHY2200BS, MHY2160BS, MHY2120BS, MHY2040BS, MHY2080BS, MHY2060BS, MHY2100BS manual Start sector No