Operating Instructions
MAINTENANCE MODE
Maintenance Mode allows the System Operator to perform a
number
of functions. The major functions
which can be performed
are
the LOAD/START/DUMP and Test commands.
LOAD
and
START
load MPE
from tape or disc respectively, and the
DUMP
command loads the
dump
software from the START device.
The
TEST
command allows the System Operator to run the Power-on Self Tests with failures displayed on
the System Console. The Test Mode also allows a limited looping feature. Tests can
be
looped with
the
count
parameter. Count must
be
an integer between \ and 9999, with I being the default. The looping
feature
is
disabled when the keyswitch
is
in the position
"\"
(NORMAL).
The
LOAD,
START,
and
DUMP
commands require a channel and device specification unless the
default
device has been set up by the " ,P" and
",
C"
options. The
DUM
P command always def a
\II
ts
to the START
device.
The",
P"
option updates the LOAD
or
START device data in the TOC and
initiah~,
the LOAD or
ST
ART. The TOC
is
a permanent storage area for system information which includes
the
default START
and
LOAD device numbers. The TOC LOAD or START data can also
be
updated with the ",C" option
but the
LOAD or START
is
not periormed.
Thellid
channels are
1,
3,
or 4 for main and
9-\3
for the
extender.
RUN
attempts to "run" the system if it arrived in Maintenance Mode via a Halt or Control
B.
The
"AR"
command allows
the
System Operator to
try
another
Autorestart
if
the system has given up
(5
tries d approximately 90 seconds each). The other LOAD/STMrr type commands
(COO,
COL,
DIS,
NEW,
RELO,
TAPE,
UPDA,
and
WAR)
use the LOAD or START deivce
as
stored in the TOe. Table
2-3
lists the
valid Maintenance Mode Commands. For details on the correct syntax
of
these commands refer to Section
III
"COMMAND DESCRIPTIONS".
NOV
84
2-3
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