Extended Comprehensive Smart Error Log; Error Log Version; Table 90: Extended Comprehensive Smaert Error Log - Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications

13.15.2 Extended comprehensive SMART error log

defines the format of each of the sectors that comprise the Extended Comprehensive SMART error log. Error log
data structure shall not include errors attributed to the receipt of faulty commands such as command codes not
implemented by the device or requests with invalid parameters or in valid addresses.

Table 90: Extended comprehensive SMAERT error log

Description
SMART error log version
Reserved
Error log index (7:0)
Error log index (15:8)
1st error log data structure
2nd error log data structure
3rd error log data structure
4th error log data structure
Device error count
Reserved
Data structure checksum

13.15.3 Error Log version

The value of this version shall be 01h.
13.15.3.1 Error Log index
This indicates the error log data structure representing the most recent error. If there have been no error log entries,
it is cleared to 0. Valid values for the error log index are 0 to 4.
13.15.3.2 Extended Error log data structure
An error log data structure shall be presented for each of the last four errors reported by the device. These error log
data structure entries are viewed as a circular buffer. The fifth error shall create an error log structure that replaces
the first error log data structure. The next error after that shall create an error log data structure that replaces the
second error log structure, etc.
Unused error log data structures shall be filled with zeros.
Data format of each error log structure is shown below.
Description
1st command data structure
2nd command data structure
3rd command data structure
4th command data structure
5th command data structure
Error data structure
Travelstar 4K120 Hard Disk Drive Specification
133
Bytes Offset
1
1
1
1
124
124
124
124
2
9
1
512
Bytes Offset
18
18
18
18
18
34
124
00h
01h
02h
03h
04h
80h
FCh
178h
1F4h
1F6h
1FFh
00h
12h
24h
36h
48h
5Ah