Hitachi hard disk drive specifications
152
1st command data structure
2nd command data structure
3rd command data structure
4th command data structure
5th command data structure
Table 100 Extended Error log data structure
Command data structure: Data format of each command data structure is shown below.
Features register (7:0) (see Note)
Sector count register (7:0)
Sector count register (15:8)
Sector number register (7:0)
Sector number register (15:8)
Cylinder Low register (7:0)
Cylinder Low register (15:8)
Cylinder High register (7:0)
Cylinder High register (15:8)
Timestamp (milliseconds from Power-on)
Note: bits (7:0) refer to the most recently written contents of the register. Bits (15:8) refer to the
contents of the register prior to the most recent write to the register.
Table 101 Command data structure
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