Hitachi DK23BA-20 Owners Manual - Page 65

SMART Read Log Sector [B0h, Sub D5h], SMART Log Directory [Log Sector Address = 00h]

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6.3.2.8.12 SMART Read Log Sector [B0h, Sub D5h] Task File Registers Command Cylinder High Cylinder Low Device/Head Sector Number Sector Count Features DRV : Device selection bit 7 6 5 4 3 2 1 0 B0h C2h 4Fh - X - DRV XX Log Address Number of sector to be read D5h 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 0 - 1 2 3 : 510 511 Description SMART Logging Version Number of sectors in the log at log sector address 01h Reserved : Number of sectors in the log at log sector address FFh Reserved K6610007 Rev.5 02.14.'03 - 65 -

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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