IBM 3270 Manual page 60

Watching the Power-On Self Test
(POST)
What to Expect
As you watch the POST run, the same three
things that you saw in Step 2 of this chapter will
happen again, but now they are slightly different.
1.
The amount of memory in your system is
checked and the amount working appears in
the upper left corner of your screen.
I
=
KB OK
This is the same as before.
2. You will hear one short "beep".
~
~ ~m~~~~~~~~~1
This is the same.
You will still hear the diskette drive hum and
see the "in use" lights flicker on and off.
Chapter
1.
Setting Up the 3270 PC Control Program 1-51