Table 143 Log Address Definition; Table 144 Log Address Definition For Serial Ata - Western Digital Ultrastar DC HC310 Specifications

Log address Content
00h Log directory
03h Extended Comprehensive SMART error log
04h Device Statistics
06h SMART self-test log
07h Extended SMART self-test log
08h Power Conditions log
10h Command Error
11h Phy Event Counters
12h NCQ NON-DATA log
21h Write Stream Error log
22h Read Stream Error log
30h Identify Device Data log
80h-9Fh Host vendor specific
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 9.17.3 about Phy Event Counters.
Note: Please see 9.17.4 about NCQ NON-DATA (63h).

Table 143 Log Address Definition

Log Address Description
00h - 0Fh As defined in the ACS-2
standard
10h NCQ Queued Error log
11h Phy Event Counters log
12h NCQ NON-DATA log
13h Reserved
14h Reserved
15h Rebuild Assist log
16h - 17h Reserved
18h - FFh As defined in the ACS-2
standard

Table 144 Log Address Definition for Serial ATA

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.
Western Digital Hard Disk Drive OEM Specification
Feature set
N/A
SMART error logging
N/A
SMART self-test
SMART self-test
Extended Power Condition
Native Command Queuing
Serial ATA
NCQ NON-DATA
Streaming
Streaming
N/A
SMART
175
Type
Read Only
Read Only
Read Only
See Note
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read/Write