Toshiba 4006GAH User Manual

360050398 

 

Toshiba Corporation Digital Media Network Company 

 

Page 124 of 157 

© 2005, Copyright TOSHIBA Corporation All Rights Reserved 

 

 

COMMAND CODE 

0 0 1 0 1 1 1 1

 

REGISTER 

 

REGISTER SETTING 

NORMAL COMPLETION 

DR 

 

drive no. 

no change 

LBA 

Low 

Current 

Previous 

log address 

Reserved 

HOB=0
HOB=1

Reserved  
Reserved 

LBA 

Mid 

Current 

Previous 

Sector offset(7:0)   

Sector offset(15:8) 

HOB=0
HOB=1

Reserved  
Reserved 

LBA 
High 

Current 

Previous 

Reserved 
Reserved 

HOB=0
HOB=1

Reserved  
Reserved 

SC Current 

Previous 

sector count(7:0) 

sector count(15:8) 

HOB=0
HOB=1

Reserved  
Reserved 

FT Current 

Previous 

Reserved 
Reserved 

HOB=0
HOB=1

no change 
no change 

 

This command returns the specified log to the host. The device shall interrupt for each DRQ block 

transferred. 
Sector Count - Specifies the number of sectors to be read from the specified log. 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.  

LBA Low - Specifies the log to be returned as described in the following Table.   

LBA Mid - Specifies the first sector of the log to be read. 

 

Log Sector 

00h Log 

directory 

RO 

01h 

SMART error log 

See Note 

02h 

Comprehensive SMART error log   

See Note 

03h 

Extended comprehensive SMART error log

RO 

04h-05h Reserved 

 

- 

06h 

SMART self-test log 

See Note 

07h 

Extended SMART self-test log 

RO 

08h Reserved 

- 

09h 

Selective self-test log 

See Note 

0Ah-7Fh Reserved 

- 

80h-9Fh 

Host vendor specific 

R/W 

A0h-FFh Reserved 

- 

Key 

− 

RO –Log is read only by the host. 
R/W –Log is read or written by the host. 
 
NOTE - Log addresses 01h,02,,06h and 09h are used by the SMART READ LOG 

command commands. If these log addresses are used with the READ LOG EXT 
command, the device shall return command aborted.