Fujitsu MHV2040BH, MHV2120BH, MHV2100BH, MHV2080BH, MHV2060BH manual

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-E224 5-79