Xerox 1186 User Manual page 100

DIAG NOSTles
2. Press the function key (FS, F6 or F7)
corresponding to the test you wish to run.
Running the long Option of Boot Diagnostics:
To run the long version of Boot Diagnostics:
1. Press the B Reset button on the front panel of
the workstation.
2. Press the function key (FS, F6 or F7)
corresponding to the test you wish to run, twice
in rapid succession.
B,ehavior While Running Boot Diagnostics
The cursor codes for Boot Diagnostics always
contain one or more letters, ranging from A to F.
letters are unique to Boot Diagnostic cursor codes.
While Boot Diagnostics are running, the display is
normally black. However, during memory test, the
screen displays a variety of special patterns.
Each test has an identifier that contains at least one
letter. If test Ax (x can be any number) completes
successfully, it goes to test Bx, then ex, and so forth.
If a test fails, the Boot Diagnostics terminate and no
additional test are run.
Results of Boot Diagnostics
90
Errors Detected When a hardware problem is
detected, the cursor codes alternate continuously
between two numbers. The first number is the "test
code" and contains one or more letters, from A to F.
The second number is the
II
error code." Record the
numbers exactly as they appear.
Press the R key on the keyboard. This causes a third
test result to appear (and may contain digits 0-9, or
XEROX 1186 USER'SGUIDE