Table 7: | Supported commands |
| |
|
| ||
Command name |
| Command code (in hex) | |
|
|
| |
Security Freeze Lock |
| F5H | |
|
|
| |
Security Disable Password |
| F6H | |
|
|
|
|
4.1.2Identify 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
Word | Description | Value |
|
|
|
0 | Configuration information: | 0C5AH |
| • 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 | x.xx | |
| (8 ASCII character string, padded with blanks to end of string) |
|
|
|
|
Drive model number: (40 ASCII characters, padded with | ST9120824A | |
| blanks to end of string) | ST9100825A |
|
| ST980829A |
|
| ST960812A |
|
| ST950814A |
|
| ST9402112A |
|
| ST930218A |
|
|
|
47 | (Bits | 8010H |
| and Write multiple (16) |
|
|
|
|
48 | Reserved | 0000H |
|
|
|
49 | Standard Standby timer, IORDY supported and may be | 2F00H |
| disabled |
|
|
|
|
50 | 0000H |
26 | Momentus 4200.2 Product Manual, Rev. C |