Seek (X '70' To X '7F') - Fujitsu MJA2500BH - Mobile 500 GB Hard Drive Product/Maintenance Manual

Interface
(6)

SEEK (X '70' to X '7F')

This command performs a seek operation to the track and selects the head
specified in the command block registers. After completing the seek operation,
the device reports the status to the host system.
In the LBA mode, this command performs the seek operation to the cylinder and
head position in which the sector is specified.
•
Error reporting conditions
(1) A specified address exceeds the range where the head can be positioned
(ST = 51h, ER = 10h).
(2) Head positioning is not possible because an error occurred
(ST = 51h, ER = 10h).
(3) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM
DH
CH
CL
SN
SC
FR
At command completion (Shadow Block Registers contents to be read)
ST
DH
CH
CL
SN
SC
ER
5-40
0 1 1 1
x L x x
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No.
xx
xx
Status information
x L x x
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No.
xx
Error information
x x x x
HD No. / LBA
/ LBA [LSB]
HD No. / LBA
/ LBA [LSB]
C141-E293