FUJITSU MHZ2250BJ - Manual (Page 167)

5.3 Host Commands
At command issuance (Shadow Block Registers setting contents)
CM 1 1 0 0 0 1 0 1
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
(R: Retry)
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
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No. / LBA [LSB]
00 (*1)
Error information
*1 If the command was terminated because of an error, the number of
sectors for which data has not been written is set in this field.
C141-E280 5-93