Interface

Error logging capability

Table 5.16 Drive error logging capability

Bit

Meaning

0If this bit is 1, it indicates that the drive error logging function is supported.

1to 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

 

Address 80h

 

Number of sector

 

 

 

 

101

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

Address 81h

 

"102" and "13F" are both the same

102 to 13F

 

to

 

 

 

format as "100-101"

 

 

Address 9Fh

 

 

 

 

 

 

 

 

 

 

140 to 1FF

 

Reserved

 

 

 

 

 

 

5-64

C141-E280