Seagate ST9500327AS Momentus 5400 FDE.4 SATA Product Manual - Page 39
Identify Device command, Table 9, Supported commands
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Table 9: Op Code 3A 3B Supported commands ATA Security API DriveTrust Security API Command Locked Unlocked Frozen Secure State Authenticated State WRITE STREAM DMA EXT Aborted Executable Executable Aborted Executable WRITE STREAM EXT Aborted Executable Executable Aborted Executable 4.2.5 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 512-byte block of data, whose contents are shown in the table below. All reserved bits or words should be set to zero. Parameters listed with an "x" are drive-specific or vary with the state of the drive. The following commands contain drive-specific features that may not be included in the Serial ATA specification. Word 0 1 2 3 4 5 6 7-9 10-19 20 21 22 23-26 27-46 Description Configuration information: • Bit 15: 0 = ATA; 1 = ATAPI • Bit 7: removable media • Bit 6: removable controller • Bit 0: reserved Number of logical cylinders ATA-reserved Number of logical heads Retired Retired Number of logical sectors per logical track: 63 Retired Serial number: (20 ASCII characters, 0000H = none) Retired Retired Obsolete Firmware revision (8 ASCII character string, padded with blanks to end of string) Drive model number: (40 ASCII characters, padded with blanks to end of string) 47 (Bits 7-0) Maximum sectors per interrupt on Read multiple and Write multiple (16) Value 0C5AH 16,383 0000H 16 0000H 0000H 003FH 0000H ASCII 0000H 0400H 0000H x.xx ST9500327AS ST9320327AS ST9250317AS ST9160317AS ST9120317AS ST980314AS 8001H Momentus 5400 FDE.4 SATA Product Manual, Rev. B 33