Figure 49 Read Log Ext Command (2Fh); Figure 50 Log Address Definition; Read Log Ext(2Fh) - Hitachi HTS541616J9SA00 Specifications

14.16

Read Log Ext(2Fh)

Command Block Output Registers
Register
Data Low
Data High
Feature Current
Previous
Sector Count Current
Previous
LBA Low Current
Previous
LBA Mid Current
Previous
LBA High Current
Previous
Device
Command
Error Register
7 6 5 4
CRC UNC 0 IDN
V V 0 V

Figure 49 Read Log Ext Command (2Fh)

This command returns the specified log to the host. The device shall interrupt for each DRQ block
transferred.
Output Parameters To The Device
R
Sector Count Current
Sector Count Previous
LBA Low Current
LBA Mid Current
LBA Mid Previous
Log Content
address
00h Log directory
03h Extended
error log
07h Extended SMART self-test log
10h Command Error
11h Phy Event Counter
80h-9Fh Host vendor specific

Figure 50 Log address definition

Travelstar 5K160 (SATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V V V V
- - - - - - -
V V V V V V V V
V V V V V V V V
- - - - - - -
- - - - - - -
- - - - - - -
0 0 1 0 1 1 1 1
3 2 1 0
0 ABT T0N AMN
0 V 0 0
Phy Event Counter Reset bit. When Log address is 11h (Phy Event Counter) and this
bit is set to 1, all Phy Event Counter values are reset to 0 after sending the current
counter valules.
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.
The number of sectors to be read from the specified log high orders, bits (15:8).
The log to be returned as described in table 50.
The first sector of the log to be read low order, bits (7:0).
The first sector of the log to be read high order, bits (15:8).
Comprehensive
Command Block Input Registers
Register
- Data Low
- Data High
- Error
-
Sector Count HOB=0 -
HOB=1 -
LBA Low HOB=0 -
- HOB=1 -
LBA Mid HOB=0 -
HOB=1 -
- LBA High HOB=0 -
- HOB=1 -
- Device
Status
Status Register
7 6 5 4
BSY RDY DF DSC DRQ COR IDX
0 V 0 V
Feature set
N/A
SMART SMART
logging
SMART self-test
Native
Queuing
Phy Event Counter Read Only
SMART
98/167
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
...See Below...
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - - -
...See Below...
3 2 1 0
ERR
- 0 0 V
Type
Read Only
error Read Only
Read Only
Command Read Only
Read/Wri
te