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Western Digital Hard Disk Drive OEM Specification
11.23.1 General Purpose Log Directory
Table 145 defines the 512 bytes that make up the General Purpose Log Directory.
General Purpose Logging Version
Number of sectors in the log at log address 01h (7:0)
Number of sectors in the log at log address 01h (15:8)
Number of sectors in the log at log address 02h (7:0)
Number of sectors in the log at log address 02h (15:8)
Number of sectors in the log at log address 20h (7:0)
Number of sectors in the log at log address 20h (15:8)
Number of sectors in the log at log address 21h (7:0)
Number of sectors in the log at log address 21h (15:8)
Number of sectors in the log at log address 22h (7:0)
Number of sectors in the log at log address 22h (15:8)
Number of sectors in the log at log address 80h (7:0)
Number of sectors in the log at log address 80h (15:8)
Number of sectors in the log at log address FFh (7:0)
Number of sectors in the log at log address FFh (15:8)
Table 145 General Purpose Log Directory
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.
Table 145 defines the 512 bytes that make up the General Purpose Log Directory for Serial ATA.
As defined in the ACS-2 standard
1 if Native Command Queuing is supported,
0 if Native Command Queuing is not supported
1 if Phy Event Counters are supported
0 if Phy Event Counters are not supported
1 if NCQ NON-DATA is supported
0 if NCQ NON-DATA is not supported
1 if Rebuild Assist log is supported
0 if Rebuild Assist log is not supported
As defined in the ACS-2 standard
Table 146 General Purpose Log Directory for Serial ATA
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