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Read Diagnostic Results

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Operation code is (1Ch).

This command requests the drive to return the results of the power-on self test.

The Diagnostic Results data consists of 8-byte parameters as shown in Table 2-28B on the

opposite page.

The number of bytes of the RECEIVE DIAGNOSTIC parameter excluding itself. This is

fixed to 06h.

Bit 0 = 1, failure of the SCSI controller ROM.

Bit 1 = 1, failure of the drive controller ROM.

Bit 0 = 1, failure of the SCSI controller RAM.

Bit 1 = 1, failure of the drive controller RAM.

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.

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.