5K320 SATA OEM Specification
Command data structure: Data format of each command data structure is shown below.
Description | Bytes | Offset |
Device Control register | 1 | 00h |
Features register (7:0) (see Note) | 1 | 01h |
Features register (15:8) | 1 | 02h |
Sector count register (7:0) | 1 | 03h |
Sector count register (15:8) | 1 | 04h |
Sector number register (7:0) | 1 | 05h |
Sector number register (15:8) | 1 | 06h |
Cylinder Low register (7:0) | 1 | 07h |
Cylinder Low register (15:8) | 1 | 08h |
Cylinder High register (7:0) | 1 | 09h |
Cylinder High register (15:8) | 1 | 0Ah |
Device register | 1 | 0Bh |
Command register | 1 | 0Ch |
Reserved | 1 | 0Dh |
Timestamp (milliseconds from | 4 | 0Eh |
| 18 |
|
Note: bits (7:0) refer to the most recently written contents of the register. Bits (15:8) refer to the contents of the register prior to the most recent write to the register.
Table 77 Command data structure
Error data structure: Data format of error data structure is shown below.
Description |
| Bytes | Offset |
Reserved |
| 1 | 00h |
Error register |
| 1 | 01h |
Sector count register (7:0) | (see Note) | 1 | 02h |
Sector count register (15:8) | (see Note) | 1 | 03h |
Sector number register (7:0) |
| 1 | 04h |
Sector number register (15:8) | 1 | 05h | |
Cylinder Low register (7:0) |
| 1 | 06h |
Cylinder Low register (15:8) |
| 1 | 07h |
Cylinder High register (7:0) |
| 1 | 08h |
Cylinder High register (15:8) | 1 | 09h | |
Device register |
| 1 | 0Ah |
Status register |
| 1 | 0Bh |
Extended error data (vendor specific) | 19 | 0Ch | |
State |
| 1 | 1Fh |
Life timestamp (hours) |
| 2 | 20h |
|
| 34 |
|
Note: bits (7:0) refer to the contents if the register is read with bit 7 of the Device Control register cleared to zero. Bits (15:8) refer to the contents if the register is read with bit 7 of the Device Control register set to one.
Table 78 Error data structure
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