HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
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The Data Structure Version field shall contain a value of 02h indicating the second revision of the structure
format.
The Read Stream Error Log Count field shall contain the number of uncorrected sector entries currently
reportable to the host. This value may exceed 31.
The Error Log Index indicates the error log data structure representing the most recent error. Only values
(31:1) are valid.
Table 110 defines the format of each entry in the Read Stream Error Log.
Description
Bytes
Offset
Feature Register Contents Value (current)
1
00h
Feature Register Contents Value (previous)
1
01h
Status Register Contents Value
1
02h
Error Register Contents Value
1
03h
LBA (7:0)
1
04h
LBA (15:8)
1
05h
LBA (23:16)
1
06h
LBA (31:24)
1
07h
LBA (39:32)
1
08h
LBA (47:40)
1
09h
Reserved
2
0A-0Bh
Sector Count (LSB)
1
0Ch
Sector Count (MSB)
1
0Dh
Reserved
2
0E-0Fh
Table 111 Stream Error Log entry
Byte (1:0) contains the contents of the Feature Register when the error occurred. This Value shall be set to
0FFFFh for s deferred write error.
Byte 2 contains the contents of the Status Register when the error occurred.
Byte 3 contains the contents of the Error Register when the error occurred.
Byte (9:4) indicates the starting LBA of the error.
Byte (13:12) indicate the length of the error. Therefore, each entry may describe a range of sectors at the
given address and spanning the specified number of sectors.