www.seagate.com | Serial ATA Interface |
Table 7 Supported ATA commands (continued) | |
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Command name | Command code (in hex) |
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|
Write Multiple | C5H |
Write Multiple Extended | 39H |
Write Multiple FUA Extended | CEH |
Write Sectors | 30H |
Write Sectors Without Retries | 31H |
Write Sectors Extended | 34H |
Write Stream DMA Extended | 3AH |
Write Stream Extended | 3BH |
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 8 Identify Device commands
Word | Description | Value |
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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 | C837H | |
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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 |
Retired | 0000H | |
Serial number: (20 ASCII characters, 0000H = none) | ASCII | |
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20 | Retired | 0000H |
21 | Retired | 0000H |
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22 | Obsolete | 0000H |
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Firmware revision | x.xx | |
| (8 ASCII character string, padded with blanks to end of string) |
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|
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|
Drive model number: |
| |
| (40 ASCII characters, padded with blanks to end of string) |
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Pipeline HD SATA Product Manual, Rev. F | 33 |