Interface
At command issuance (Shadow Block Registers setting contents)
CM | 1 | 1 | 0 | 0 | 1 | 0 | 0 | R |
|
|
|
|
|
|
|
| |
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 |
| Start cylinder No. [MSB] / LBA | |||||
CL |
| Start cylinder No. [LSB] | / LBA | ||||
SN |
| Start sector No. | / LBA [LSB] | ||||
SC |
|
|
| 00 (*1) |
| ||
ER |
|
|
| Error information | |||
|
|
|
|
|
|
|
|
*1 If the command is terminated due to an error, the remaining number of sectors of which data was not transferred is set in this register.