IBM 3270 Manual page 18

10. Watch for the POST to run.
Three things will happen:
a. The memory in your system unit is tested.
As it is tested, the amount of memory that
was checked and is working appears in the
upper left corner of your screen.
I '"
KB OK
Note: This number,changes until all of the
available storage in your system has
been checked. When the number
stops changing, the last number that
appears should be the total amount
of memory in your system unit,
including the amount on optional
~emory
cards that may be installed.
If this number is less than
384,
you
cannot use the default control
program. Do not continue. Call
your supervisor or the person
assigned to help you with your
computer for assistance.
b. You will hear one short "beep".
1 BEEP
~
\ . \
~
lTI
ijijijij~~~~~~~~ij~
You may also hear the diskette drive hum
and see the "in use" lights flicker on and
off.
Chapterl. Setting Up the 3270 PC Control Program 1-9