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12.21.1 General Purpose Log Directory (log page 00h)
Table 123 defines the 512 bytes that make up the General Purpose Log Directory.
Table 123 General Purpose Log Directory
Description
Bytes
Offset
General Purpose Logging Version
2
00h
Number of sectors in the log at log address 01h (7:0)
1
02h
Number of sectors in the log at log address 01h (15:8)
1
03h
Number of sectors in the log at log address 02h (7:0)
1
04h
Number of sectors in the log at log address 02h (15:8)
1
05h
...
Number of sectors in the log at log address 20h (7:0)
1
40h
Number of sectors in the log at log address 20h (15:8)
1
41h
Number of sectors in the log at log address 21h (7:0)
1
42h
Number of sectors in the log at log address 21h (15:8)
1
43h
Number of sectors in the log at log address 22h (7:0)
1
44h
Number of sectors in the log at log address 22h (15:8)
1
45h
...
Number of sectors in the log at log address 80h (7:0)
1
100h
Number of sectors in the log at log address 80h (15:8)
1
101h
...
Number of sectors in the log at log address FFh (7:0)
1
1FEh
Number of sectors in the log at log address FFh (15:8)
1
1FFh
512
The value of the General Purpose Logging Version word shall be 0001h. A value of 0000h indicates that there is no
General Purpose Log Directory.
The logs at log addresses 80-9Fh shall each be defined as 16 sectors long.
194
Hard Disk Drive Specification