User manual

Hitachi hard disk drive specifications
154
Table 109 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 110 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.