
5.3 Host Commands
•Error log index
Indicates the latest error log number. If an error has not occurred, 00 is displayed.
•Error log 1 to 5
When an error occurs, the error log index value is incremented and information at the time the error occurred is recorded in the error log area specified by this value. When the error log index exceeds 05, it returns to 01.
•Command data 1 to 5
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Indicates five commands data in order received by the device until the error occurs. Commands for which an error occurred are included in Command Data 5.
Error data
Indicates the I/O register values when the error is reported.
Status
Bits 0 to 3: Indicates the drive status when received error commands according to the following table.
Bits 4 to 7: Vendor unique
Status | Meaning |
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0 | Unclear status |
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1 | Sleep status |
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2 | Standby status |
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3 | Active status or idle status (BSY bit = 0) |
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4 | |
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5 to F | Reserved |
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•SMART Self Test
The host computer can issue the SMART Execute
The host computer can issue the SMART Read Log Sector