Interface
5-64 C141-E217
At command issuance (I/O registers setting contents)
1F7
H
(CM) 1 1 0 0 0 1 0 0
1F6
H
(DH) x L x DV Start head No. / LBA
[MSB]
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(FR)
Start cylinder No. [MSB] / LBA
Start cylinder No. [LSB] / LBA
Start sector No. / LBA [LSB]
Transfer sector count
xx
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH) x L x DV End head No. / LBA [MSB]
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
End cylinder No. [MSB] / LBA
End cylinder No. [LSB] / LBA
End sector No. / LBA [LSB]
00(*1)
Error information
*1 If the command is terminated due to an error, the remaining number of
sectors for which data was not transferred is set in this register.
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