Cactus Technologies, Limited
6.5. S.M.A.R.T Read Log (subcommand D5h)
This command returns the specified log sector content to the host. LBA Low and Sector
Count registers shall be set to specify the log sector and sector number to be written.
LBA Low value
Sector Count
Content
00h
1
Log directory
Read only
01h
1
SMART error log
Read only
02h
51
Comprehensive SMART error log
Read only
03h
37
Extended Comprehensive SMART error log
Read only
06h
1
SMART self-test log
Read only
07h
1
Extended SMART self-test log
Read only
09h
1
Selective self-test log
R/W
10h
1
NCQ Error log
Read only
11h
1
SATA PHY event counter log
Read only
80h-9Fh
32
Host vendor specific
R/W
A0h
1
Reserved
Vendor specific
6.5.1.
S.M.A.R.T Log Directory Structure
Byte(s)
Description
0-1
SMART log version (set to 01h)
2-3
Number of sectors in the log at log address 1
4-5
Number of sectors in the log at log address 2
6-509
Number of sector in the log at log addresses 3 to 254
510-511
Number of sectors in the log at log address 255
6.5.2.
Self-test Log Structure
Byte(s)
Description
0-1
Log version
Cactus Technologies Limited
Commercial Grade -250SH Series SSD Product Manual
v2.1
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