www.seagate.com | Serial ATA Interface |
Table 6 Supported ATA commands (Continued) | |
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Command name | Command code (in hex) |
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Write Sectors Extended | 34H |
Write Uncorrectable | 45H |
4.3.1 Identify Device command
The Identify Device command (command code ECH) transfers information about the drive to the host following power up. The data is organized as a single
The following commands contain
Table 7 Identify Device commands
Word | Description | Value |
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|
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0 | Configuration information: | 0C5AH |
| • Bit 15: 0 = ATA; 1 = ATAPI |
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| • Bit 7: removable media |
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| • Bit 6: removable controller |
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| • Bit 0: reserved |
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1 | Number of logical cylinders | 16,383 |
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2 | 0000H | |
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3 | Number of logical heads | 16 |
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4 | Retired | 0000H |
5 | Retired | 0000H |
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6 | Number of logical sectors per logical track: 63 | 003FH |
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Retired | 0000H | |
Serial number: (20 ASCII characters, 0000H = none) | ASCII | |
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20 | Retired | 0000H |
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|
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21 | Retired | 0400H |
22 | Obsolete | 0000H |
Firmware revision | x.xx | |
| (8 ASCII character string, padded with blanks to end of string) |
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|
|
|
Drive model number: | ST2000DL003 | |
| (40 ASCII characters, padded with blanks to end of string) | ST1500DL003 |
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| |
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47 | (Bits | 8010H |
| Write multiple (16) |
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48 | Reserved | 0000H |
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49 | Standard Standby timer, IORDY supported and may be disabled | 2F00H |
50 | 4000H | |
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51 | PIO | 0200H |
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Barracuda Green SATA Product Manual, Rev. D | 33 |