Interface
5-76
C141-E171-03EN
•
Off-line data collection capability
Indicates the method of off-line data collection carried out by the drive. If
the off-line data collection capability is 0, it indicates that off-line data
collection is not supported.
Bit
Meaning
0
If this bit is 1, it indicates that the SMART EXECUTE OFF-
LINE IMMEDATE sub-command (FR register = D4h) is
supported.
1
Vendor unique
2
If this bit is 1, it indicates that acquisition of off-line data
under execution is aborted when a new command is received.
3
If this bit is 1, it indicates that the SMART Off-line Read
Scanning Technology is supported.
4
If this bit is 1, it indicates that the SMART Self-test function
is supported.
5 to 7
Reserved bits
•
Failure prediction capability flag
Bit
Meaning
0
If this bit is 1, it indicates that the attribute value is saved on
media before the drive enters the power save mode.
1
If this bit is 1, it indicates that the attribute value is saved
automatically after the pre-set operation of the drive.
2 to 15
Reserved bits
•
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
•
Check sum
Two’s complement of the lower byte, obtained by adding 511-byte data one
byte at a time from the beginning.
Summary of Contents for MHS2020AT
Page 1: ...C141 E171 03EN MHS2060AT MHS2040AT MHS2030AT MHS2020AT DISK DRIVES PRODUCT MANUAL ...
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Page 60: ...Theory of Device Operation 4 6 C141 E171 03EN Figure 4 3 Circuit Configuration ...
Page 190: ...Interface 5 114 C141 E171 03EN g d f f d e Figure 5 7 Normal DMA data transfer ...
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