4.5 ATA Commands
Table 4.27 Device parameter information (3/6)
Word | Value | Bits | Description |
|
|
|
|
80 | 0020h |
| Major Version number |
|
|
|
|
81 | 0015h |
| Minor Version number |
|
|
|
|
82 | 4278h |
| Command set supported |
|
|
| (A value of less than 1 indicates that the command is supported.) |
|
| 15 | Unused (0b) |
|
|
|
|
|
| 14 | NOP command (1b) |
|
| 13 | READ BUFFER command (0b) |
|
| 12 | WRITE BUFFER command (0b) |
|
| 11 | Unused (0b) |
|
|
|
|
|
| 10 | Host protect area function (0b) |
|
| 9 | DEVICE RESET command (1b) |
|
| 8 | SERVICE command interrupt (0b) |
|
|
|
|
|
| 7 | Interrupt at release (0b) |
|
| 6 | Read ahead cache (1b) |
|
| 5 | Write cache (1b) |
|
|
|
|
|
| 4 | Packet command function (1b) |
|
| 3 | Power management function (1b) |
|
| 2 | Removable media function (0b) |
|
| 1 | Security mode (0b) |
|
| 0 | SMART function (0b) |
|
|
|
|
83 | 4010h |
| Command set supported |
|
|
| (A value of less than 1 indicates that the command is supported.) |
|
| 15 | 0b. |
|
| 14 | 1b |
|
| Reserved (0b) | |
|
|
|
|
|
| 7 | SET MAX security (0b) |
|
| 6 | Spin up function after |
|
| 5 | |
|
|
|
|
|
| 4 | Removable media status notification function (1b) |
|
| Reserved (0b) | |
|
| 0 | DOWNLOAD MICROCODE command supported (0b) |
|
|
|
|
84 | 4000h |
| Command set supported |
|
| 15 | 0b |
|
|
|
|