K6610007
Rev.5
02.14.’03
- 65 -
6.3.2.8.12 SMART Read Log Sector [B0h, Sub D5h]
Task
File
Registers
7 6 5 4 3 2 1 0
Command B0h
Cylinder High
C2h
Cylinder Low
4Fh
Device/Head -
X
-
DRV
XX
Sector Number
Log Address
Sector Count
Number of sector to be read
Features
D5h
DRV : Device selection bit
0 : DRV0
1:DRV1
SMART Read Log Sector command returns the indicated log to the host.
Sector number - Indicates the log to be returned as described in following table . The host vendor specific
logs may be used by the host to store any data desired. If a host vendor specific log has never been written
by the host, when read the content of the log shall be zeros. Device vendor specific logs are used by the
device vendor to store any data.
Table 6.12 Log Sector Addresses
Log Sector Address
Content
Sector Size
Read/Write
00h
SMART Log Directory
1
Read Only
01h
Summary SMART Error Log
1
Read Only
02h
Comprehensive SMART Error Log
51
Read Only
03h – 05h
Reserved
0
06h
SMART Self-test Log
1
Read Only
07h - 08h
Reserved
0
09h
SMART Selective Self-test Log
1
Read/Write
0Ah - 7Fh
Reserved
0
80h - 9Fh
Host vendor specific
16
Read/Write
A0h
Device vendor specific
1
Read Only, Host shall not use
A1h - A2h
Device vendor specific
96
Read Only, Host shall not use
A3h – BFh
Device vendor specific
1
Read/Write, Host shall not use
C0h – FFh
Reserved
0
(1) SMART Log Directory [Log Sector Address = 00h]
The SMART Log Directory is reported size of each log sector address. The following table defines 512 bytes
that make up the SMART Log Directory. The value of the SMART Logging Version word is 01h.
Byte Description
0 - 1
SMART Logging Version
2
Number of sectors in the log at log sector address 01h
3 Reserved
: :
510
Number of sectors in the log at log sector address FFh
511 Reserved