9845B/C Environmental, Installation. and Preventive Maintenance Requirements 2-17
9845B/C
Mainframe Exercisers
Selecting an Exerciser
There are three exercisers that you should run to exercise your System
45
Mainframe.
• The memory
(MEMORY)
exerciser performs a checksum on the System
45
ROMs
and
also checks the read/write memory.
• The tape (TAPE) exerciser checKs the tape drivels) on the System 45.
It
first exercises the
right-hand tape drive, and then the left-hand tape drive
(if
it
is
present).
• The printer (PRNTR) exerciser checks the operation of the thermal printer
(if
it
is
installed).
The
ROM
revision
(ROMREV)
exerciser (located on System Exerciser Cartridge
#2)
deter-
mines the components (processor, CRT, and
ROMs)
that comprise your System 45. You
do
not
need to run
it
unless you want to know exactly what the internal system includes.
If you have decided that you want to run only one of the mainframe exercisers, type
its
name
and press
CaNT.
It
is
possible to enter up to eight exercisers, to be run one after another, as long as they are
all
located on the exerciser cartridge. The exercisers are
fun
starting with the first
one
in
the
list.
Each exerciser name
is
separated from the next with the divide
(I)
symbol, as shown here:
PRNTR/TAPE/DISPLA,ADJ/8872A,701/88035A,5
orROMREV/8111A,70G
Entering
CaMP
as the exerciser results in four (DISPLA, TAPE, PRNTR,
and
GRPHC,
CLRGR, or ENHGR) of the exercisers being run.
Once you have entered the exerciser name(s) and pressed
CaNT,
you are asked to enter the
number of times you want each exerciser to be run. The maximum number of repetitions
is
25.
However, the
MEMORY
exerciser cannot be run more than once at a time. Before you enter
the number of times the exerciser(s) should be run
and
press
CaNT,
refer to the appropriate
parts of this chapter for more detailed information about each exerciser.
Each exerciser should run as described
in
this chapter. If any exerciser does not run properly,
note the error
and
refer to the Diagnostics, Section 5.
After any exerciser has completed
its
operation, the following message
is
displayed:
_ Messa!l'e
(s).
#
runs
= _.
Press
CONT
This tells you the total number of errors which occurred during the total number of exerciser
repetitions.
Note
Except for
MEMORY
and
the graphics memory tests, you can stop
an exerciser at any time for careful examination of the display by
pressing
PAUSE. A program line
will
also appear on the screen.
Press
CaNT
to complete the exerciser.
I
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