Error Reporting; Figure 128. S.m.a.r.t. Error Codes - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

13.33.6 Error reporting

The following table shows the values returned in the Status and Error Registers when specific error
conditions are encountered by a device.
Error condition
A S.M.A.R.T. FUNCTION SET command was received by
the device without the required key being loaded
into the Cylinder High and Cylinder Low registers.
A S.M.A.R.T. 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 S.M.A.R.T. FUNCTION SET command subcommand other
than S.M.A.R.T. ENABLE OPERATIONS was received by
the device while the device was in a "S.M.A.R.T.
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.

Figure 128. S.M.A.R.T. Error Codes

Travelstar 48GH, 30GN & 15GN hard disk drive specifications
185
Status Error
Register Register
51h 04h
51h 04h
51h 04h
51h 10h or 40h
51h 10h or 01h