FUJITSU MHV2160BT - Manual (Page 168)

Interface
5-92 C141-E239
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
CL
SN
SC
FR
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No. / LBA [LSB]
Transfer sector count
xx
At command completion (Shadow Block Registers contents to be read)
ST Status information
DH x L x x HD No. / LBA
CH
CL
SN
SC
ER
End cylinder No. [MSB] / LBA
End cylinder No. [LSB] / LBA
End sector No. / LBA [LSB]
(*1)
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.