User's Manual

Interface
5-64 C141-E262
• Error logging capability
Table 5.16 Drive error logging capability
Bit Meaning
0 If this bit is 1, it indicates that the drive error logging
function is supported.
1 to 7 Reserved bits
• Checksum
Two's complement of the lower byte, obtained by adding 511-byte data one byte
at a time from the beginning.
• Guarantee failure threshold
The limit of a varying attribute value. The host compares the attribute values
with the thresholds to identify a failure.
Table 5.17 Log Directory Data Format
Byte(hex) Item
00, 01 SMART Logging Version
02 Number of sectors of Address "01h"
03
Reserved
04
Number of sectors of Address "02h"
05 to 0B
Reserved
0C Number of sectors of Address "06h"
0D to 11 Reserved
12 Number of sectors of Address "09h"
13 to FF Reserved
100 Number of sector
101
Address 80h
Reserved
102 to 13F
Address 81h
to
Address 9Fh
"102" and "13F" are both the same
format as "100-101"
140 to 1FF Reserved