Hitachi HTS541612J9SA00 General purpose Log Directory, Extended comprehensive SMART error log

Travelstar 5K160 (SATA) Hard Disk Drive Specification

The Extended SMART self-test log sector shall support 48-bit and 28-bit addressing. All 28-bit entries contained in the SMART self-test log sector shall also be included in the Comprehensive SMART self-test log sector with the 48-bit entries.

If the feature set associated with the log specified in the Sector Number register is not supported or enabled, or if the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted.

14.16.1General purpose Log Directory

Figure 51 defines the 512 bytes that make up the General Purpose Log Directory.

	Description	Bytes	Offset
	General Purpose Logging Version	2	00h
	Number of sectors in the log at log address 01h (7:0)	1	02h
	Number of sectors in the log at log address 01h (15:8)	1	03h
	Number of sectors in the log at log address 02h (7:0)	1	04h
	Number of sectors in the log at log address 02h (15:8)	1	05h
	...
	Number of sectors in the log at log address 80h (7:0)	1	100h
	Number of sectors in the log at log address 80h (15:8)	1	101h
	...
	Number of sectors in the log at log address FFh (7:0)	1	1FEh
	Number of sectors in the log at log address FFh (15:8)	1	1FFh
		512
Figure 51 General purpose Log Directory

The value of the General Purpose Logging Version word shall be 0001h. A value of 0000h indicates that there is no General Purpose Log Directory.

The logs at log addresses 80-9Fh shall each be defined as 16 sectors long.

14.16.2Extended comprehensive SMART error log

Figure 52 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.

Description	Bytes	Offset
SMART error log version	1	00h
Reserved	1	01h
Error log index (7:0)	1	02h
Error log index (15:8)	1	03h
1st error log data structure	124	04h
2nd error log data structure	124	80h
3rd error log data structure	124	FCh
4th error log data structure	124	178h
Device error count	2	1F4h
Reserved	9	1F6h
Data structure checksum	1	1FFh
	512
Figure 52 Extended comprehensive SMART error Log
99/167