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12.55.4.9 Error Reporting
The following table shows the values returned in the Status and Error Registers when specific error conditions are
encountered by a device.
Table 242 SMART Error Codes
51h
04h
Error Condition
Status Register
Error Register
A SMART FUNCTION SET command was received by the device
without the required key being loaded into the Cylinder High and
Cylinder Low registers.
51h
04h
A SMART FUNCTION SET command was received by the device with
a subcommand value in the Features Register that is either invalid or
not supported by this device.
51h
04h
A SMART FUNCTION SET command subcommand other than
SMART ENABLE OPERATIONS was received by the device while the
device was in a “SMART disabled” state.
The device is unable to read its Attribute Values or Attribute Thresholds
data structure.
51h
10h or 40h
The device is unable to write to its Attribute Values data structure.
51h
10h
321
Hard Disk Drive Specification