Reference - DEC 4000 600 series Owner's Manual

In the next example, the system, excepting tape drives, is tested,
and the system reports an error message.
>>> test
tape drives, if any, will not be tested
retries to pkd0.2.0.3.0 exhausted
failed to send Read to dkd200.2.0.3.0
*** Hard Error - Error #5 -
Diagnostic Name
29-JAN-1970
exer_kid 00000129
1:14:05
Error in read of 0 bytes at location 0005D200 from device dkd200.2.0.3.0
*** End of Error ***
tests done
>>>
References
The following table describes where to find additional
information about the console commands.
Task
Enter comprehensive console
commands
ID Device Pass Test Hard/Soft
dkd200.2.0.3 0 0 1 0
Document
DEC 4000 AXP Model 600 Series
Technical Manual
Console Commands 3–25
test