Table 2. Firmware Checkpoints (continued)
Checkpoint Description Action/
Possible Failing FRU
E1DC Dynamic console selection. If a console is attached but
nothing is displayed on it,
follow the steps associated
with ″All display problems″ in
the Entry MAP.
If selection screen(s) can be
seen on the terminals and
the appropriate key on the
input device associated with
the desired display or
terminal is pressed, within 60
seconds, but there is no
response to the keystroke:
v If selecting the console
with a keyboard attached
to the system, replace the
keyboard. If replacing the
keyboard does not fix the
problem, replace the
primary I/O backplane.
v If selecting the console
with an ASCII terminal,
suspect the ASCII
terminal. Use the problem
determination procedures
for the terminal. Replace
the primary I/O backplane
if these procedures do not
reveal a problem.
Note: Terminal settings
should be set to:
– 9600 Baud
– No Parity
– 8 Data bits
– 1 Stop bit
E1DE Alternating pattern of E1DE and
E1AD is used to indicate a
Default Catch condition before
the firmware ″checkpoint″ word
is available.
See “Note” on page 137.
E1DF Create diskette drive (disk)
node
See “Note” on page 137.
E1F0 Start O.B.E. See “Note” on page 137.
E1F1 Begin selftest sequence on
boot device(s). Begin SMS.
See “Note” on page 137.
E1F2 Power-on password prompt. Prompt should be visible on
the system console.
If a console is attached but
nothing is displayed on it, go
to the “Entry MAP” on page
71 with the symptom ″All
display problems.″
Chapter 4. Checkpoints 149
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