This sequence is started by the interface controller at power on and checks all paths
and operation of the specific interface.
The sequence:
Diagnostic Test 17 (ServolMotor Drive Electronics Sequence)
A scratch tape is not needed for this test.
This sequence checks the operation of the servo and motor drive circuits. These
sequence tests are not interactive.
The sequence:
Diagnostic Test 18 (ServoIMotor Drive Checkout Sequence)
A scratch tape is needed for this test.
The sequence:
Diagnostic Test 19 (Buffer Hardware Sequence)
This sequence checks the data path and operation of the data buffer registers and
direct-access storage. It isolates any problems specific to the data buffer.
The sequence:
Appendix B. magnostic Tests
B-5