Read Diagnostic Results
2.29Read Diagnostic Results (1Ch)
Operation code is (1Ch).
This command requests the drive to return the results of the
The Diagnostic Results data consists of
Parameter Length
The number of bytes of the RECEIVE DIAGNOSTIC parameter excluding itself. This is fixed to 06h.
ROM Diagnostic
Bit 0 = 1, failure of the SCSI controller ROM.
Bit 1 = 1, failure of the drive controller ROM.
RAM Diagnostic
Bit 0 = 1, failure of the SCSI controller RAM.
Bit 1 = 1, failure of the drive controller RAM.
Data Buffer Diagnostic
Bit 0 = 1, failure of the SCSI controller data buffer.
Bit 1 = 1, failure of the drive controller data buffer.
Bit 2 = 1, failure of the ECC RAM in the drive controller.
Interface Diagnostic
Bit 0 = 1, interface failure between the SCSI controller and the drive controller. Bit 1 = 1, interface failure between the drive controller and the mechanism.
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