Hitachi HDS721050CLA362 - Table 102 Log Address Definition

HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
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Output Parameters To The Device
Feature
Log Address Specific
Sector Count Current
The number of sectors to be read from the specified log low order, bits (7:0).
The log transferred by the drive shall start at the sector in the specified log at the
specified offset, regardless of the sector count requested.
Sector Count Previous
The number of sectors to be read from the specified log high orders, bits (15:8).
Sector Number Current
The log to be returned as described in 0.
Cylinder Low Current
The first sector of the log to be read low order, bits (7:0).
Cylinder Low Previous
The first sector of the log to be read high order, bits (15:8).
Log address
Content
Feature set
Type
00h
Log directory
N/A
Read Only
03h
Extended Comprehensive SMART error log
SMART error logging
Read Only
06h
SMART self-test log
SMART self-test
See Note
07h
Extended SMART self-test log
SMART self-test
Read Only
10h
Command Error
Native Command Queuing
Read Only
11h
Phy Event Counters
Serial ATA
Read Only
20h
Streaming Performance log
Streaming
Read Only
21h
Write Stream Error log
Streaming
Read Only
22h
Read Stream Error log
Streaming
Read Only
80h-9Fh
Host vendor specific
SMART
Read/Write
Note: If log address 06h is accessed using the Read Log Ext or Write Log Ext commands, command abort shall be
returned.
Note: Please see 9.20.3 about Phy Event Counter.
Table 101 Log Address Definition
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.