Command name | Command code (in hex) |
|
|
Security Erase Unit | F4h |
|
|
Security Freeze Lock | F5h |
|
|
Security Disable Password | F6h |
|
|
4.3.1Identify 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
27.All reserved bits or words should be set to zero. Parameters listed with an “x” are
The following commands contain
Word | Description | Value |
|
|
|
| Configuration information: | 0C5AH |
0 | • Bit 15: 0 = ATA; 1 = ATAPI |
|
• Bit 7: removable media |
| |
| • Bit 6: removable controller |
|
| • Bit 0: reserved |
|
|
|
|
1 | Number of logical cylinders | 16,383 |
|
|
|
2 | 0000H | |
3 | Number of logical heads | 16 |
|
|
|
4 | Retired | 0000H |
5 | Retired | 0000H |
6 | Number of logical sectors per logical track: 63 | 003FH |
Retired | 0000H | |
Serial number: (20 ASCII characters, 0000H = none) | ASCII | |
20 | Retired | 0000H |
21 | Retired | 0400H |
22 | Obsolete | 0000H |
Firmware revision (8 ASCII character string, padded with blanks | x.xx | |
| to end of string) |
|
|
|
|
Drive model number: (40 ASCII characters, padded with blanks | ST9500323CS | |
| to end of string) | ST9320328CS |
|
| ST9250311CS |
|
| ST91603110CS |
|
|
|
47 | (Bits | 8010H |
| Write multiple (16) |
|
48 | Reserved | 0000H |
49 | Standard Standby timer, IORDY supported and may be disabled | 2F00H |
50 | 0000H | |
51 | PIO | 0200H |
52 | Retired | 0200H |
53 | Words | 0007H |
Pipeline HD Mini Series SATA Product Manual, Rev. E | 25 |