IBM 3270 Maintenance Manual page 36

5. Watch (and listen) for the following
responses:
a. While the memory in the system unit is
being tested, the memory size appears in
the top left corner of the screen and
increases in 16K increments. The cursor
blinks under the first number until all
memory is tested. (Check the
"Inst~lled
Devices Chart" in the Guide to Operations
for the amount of memory installed in the
system unit.)
b. One short "beep" sounds at the. completion
of POST.
c. The IBM Personal Computer BASIC
screen will appear if a diskette is not
loaded or an operating system is not
automatically loaded from the fixed disk
drive.
Note: These three responses mean POST was
successful.
a.
XXXKB
o
,
Memory Test
\\
b.
One Short Beep
c.
c:t
•
IBM 3270 Personal Computer
Basic Screen
October 1984 2-5