TRIGEM CW4D33E Operation Manual page 198

Hard Disk Read/Verify lest
This test performs sequential and random read and verify
operations on the cylinder and head range specified in the
Hard Disk Read/Verify Test Information box.
To perform the Hard Disk Read/Verify Test:
At the Hard Disk Menu, highlight "Hard Disk Read/Verify
Test." Press
each of the following fields in the Hard Disk Read/Verify Test
information box:
E-26 Advanced ROM Diagnostics
>. Fill in the appropriate response for
< ENTER