Extended Self-Test Log Sector; Table 87. Error Data Structure - Hitachi 7K100 - Travelstar - Hard Drive Specifications

13.15.2.3.3 Data format of error data structure
Table 87: Error data structure
Reserved
Error register (7:0)
Sector count register(7:0)(See Note)
Sector count register(15:8)(See Note)
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)
Device/Head register
Status register
Extended error data (vendor specific)
State
Life stamp (hours)
Note: bits (7:0) refer to the contents if the register is read with bit 7 of the Device Control register cleared to zero.
Bits (15:8) refer to the contents if the register is read with bit 7 of the Device Control register set to one.
State shall contain a value indicating the state of the device when the command was issued to the device or the reset
occurred as described below.
13.15.2.4 Device error count
This field shall contain the total number of errors attributable to the device that have been reported by the device
during the life of the device. This count shall not include errors attributed to the receipt of faulty commands such as
commands codes not implemented by the device or requests with invalid parameters or invalid addresses. If the
maximum value for this field is reached the count shall remain at the maximum value when additional errors are
encountered and logged.

13.15.3 Extended Self-test log sector

The figure below defines the format of each of the sectors that comprise the Extended SMART self-test log.
Description
Value
x0h Unknown
x1h Sleep
x2h Standby
x3h Active/Idle
x4h SMART Off-line or Self-test
x5h-xAh Reserved
xBh-xFh Vendor specific
Travelstar 7K100 Hard Disk Drive Specification
State
128
Bytes Offset
1 00h
1 01h
1 02h
1 03h
1 04h
1 05h
1 06h
1 07h
1 08h
1 09h
1 0Ah
1 0Bh
19 0Ch
1 1Fh
2 20h
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