Seagate STBD1000100 Momentus 7200.2 SATA Product Manual - Page 33
Identify Device command
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Command name Security Erase Unit Security Freeze Lock Security Disable Password Command code (in hex) F4h F5h F6h 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 512-byte block of data, whose contents are shown in the table on page 27. 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. See Section 2.0 on page 3 for default parameter settings. 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) 48 Reserved 49 Standard Standby timer, IORDY supported and may be dis- abled 50 ATA-reserved Value 0C5AH 16,383 0000H 16 0000H 0000H 003FH 0000H ASCII 0000H 0400H 0000H x.xx ST9200420ASG ST9200420AS ST9160823ASG ST9160823AS ST9120823AS ST9100821AS ST980813ASG ST980813AS 8010H 0000H 2F00H 0000H Momentus 7200.2 SATA Product Manual, Rev. E 27