Filter
Top Products
If
the
POST
finishes
without
detecting
any
problems,
a
single
beep
sounds
and
the
first
screen
of
the
operating
system
or
application
program
appears.
Note:
Types
2179
and
6643
computers
default
to
come
up
quiet
(no
beep
and
no
memory
count
and
checkpoint
code
display)
when
no
errors
are
detected
by
POST.
To
enable
beep
and
memory
count
and
checkpoint
code
display
when
a
successful
POST
occurs,
do
the
following:
1.
Select
Start
Options
in
the
Configuration/Setup
Utility
program
(see
“Setup
Utility
program”
on
page
5).
2.
Set
Power-On
Self-Test
to
Enhanced.
If
the
POST
detects
a
problem,
an
error
message
appears
on
the
screen.
A
single
problem
can
cause
several
error
messages
to
appear.
When
you
correct
the
cause
of
the
first
error
message,
the
other
error
messages
probably
will
not
appear
on
the
screen
the
next
time
you
turn
on
the
system.
POST
Error
Code
FRU/Action
161
Bad
CMOS
battery
1.
Run
Setup,
reload
defaults,
set
Date/Time
2.
CMOS
Backup
Battery
(see
“Safety
information”
on
page
102)
3.
System
Board
162
CMOS
checksum
error
1.
Run
Setup,
reload
defaults,
set
Date/Time
2.
CMOS
Backup
Battery
(see
“Safety
information”
on
page
102)
3.
System
Board
163
Clock
not
updating
or
invalid
time
set
1.
Time
and
Date
Set?
2.
CMOS
Backup
Battery
(see
“Safety
information”
on
page
102)
3.
System
Board
164
POST
detected
a
memory
size
decrease
1.
Run
Setup.
Check
System
Summary
menu
for
memory
size
change.
(See
“Setup
Utility
program”
on
page
5.)
2.
Run
the
Extended
Memory
Diagnostic
tests
301
Keyboard
error
1.
Keyboard
2.
Keyboard
Cable
3.
System
Board
662
Diskette
drive
configuration
error
1.
Diskette
drive
configuration
error
or
wrong
diskette
drive
type.
Run
Setup
Configuration
1762
Hard
disk
drive
configuration
error
1.
Run
Configuration.
(See
“Setup
Utility
program”
on
page
5.)
This
occurs
when
a
drive
is
added
or
removed.
Chapter
5.
Symptom-to-FRU
Index
55