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Western Digital Hard Disk Drive OEM Specification
11.51.8 Error Reporting
The following table shows the values returned in the Status and Error Registers when specific error conditions are
encountered by a device.
A SMART FUNCTION SET command was received by the device without
the required key being loaded into the Cylinder High and Cylinder Low
registers.
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.
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.
The device is unable to write to its Attribute Values data structure.
Table 242 SMART Error Codes