IBM 8479 Hardware Maintenance Manual - Page 102

Configuration/Setup

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General FRU/Action A problem occurs only occasionally and is difficult to detect. Verify that: 1. All cables and cords are connected securely to the rear of the system and attached options. 2. When the system is turned on, air is flowing from the rear of the system at the fan grille. If there is no air flow, the fan is not working. This causes the system to overheat and shut down. 3. Ensure that the SCSI bus and devices are configured correctly and that the last external device in each SCSI chain is terminated correctly. All or some keys on the keyboard do not work. 1. Make sure that the keyboard cable is properly connected to the system. 2. Make sure that the system and the monitor are turned on. 3. Try using another keyboard. The mouse or pointing device does not work. 1. Verify that the mouse or pointing-device cable is securely connected and the device drivers are installed correctly. 2. Try using another mouse or pointing device. The amount of memory Verify that: displayed is less than the 1. The memory modules are seated properly. amount of memory installed. 2. You have installed the correct type of memory. 3. If you changed the memory, you must update the memory configuration with the Configuration/Setup Utility program. 4. All banks of memory on the DIMMs are enabled. The system might have automatically disabled a DIMM bank if it detected a problem, or a DIMM bank could have been manually disabled. The number of parallel ports Verify that: displayed is less than the 1. Each port is assigned a unique address. number of parallel ports 2. The parallel-port adapter, if you installed one, is seated properly. installed. The system does not power on. Verify that: 1. The power cables are properly connected to the server. 2. The electrical outlet functions properly. 3. The type of memory installed is correct. 4. If you just installed an option, remove it, and restart the server. If the server now turns on, you might have installed more options than the power supply supports. The number of serial ports identified by the operating system is less than the number of serial ports installed. Verify that: 1. Each port is assigned a unique address by the Configuration/Setup Utility program and none of the serial ports are disabled. Note: The management C connector is the same as a serial port connector, but it is used only by the integrated ASM processor, and is not available for use by the operating system. This port does not appear in the Configuration/Setup Utility program menus; it can be configured using system management software. 2. The serial-port adapter, if you installed one, is seated properly. A serial device does not work. Verify that: 1. The device is compatible with the server. 2. The serial port is enabled and is assigned a unique address. A USB device does not work. Verify that: 1. You are not trying to use a USB device during POST, if you have a standard (non-USB) keyboard attached to the keyboard port. Note: If a standard (non-USB) keyboard is attached to the keyboard port, then the USB is disabled and no USB device will work during POST. 2. The correct USB device driver is installed. 3. Your operating system supports USB devices. 94 xSeries 200 Type 8479 and xSeries 200VL Type 8481: Hardware Maintenance Manual

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General
FRU/Action
A
problem
occurs
only
occasionally
and
is
difficult
to
detect.
Verify
that:
1.
All
cables
and
cords
are
connected
securely
to
the
rear
of
the
system
and
attached
options.
2.
When
the
system
is
turned
on,
air
is
flowing
from
the
rear
of
the
system
at
the
fan
grille.
If
there
is
no
air
flow,
the
fan
is
not
working.
This
causes
the
system
to
overheat
and
shut
down.
3.
Ensure
that
the
SCSI
bus
and
devices
are
configured
correctly
and
that
the
last
external
device
in
each
SCSI
chain
is
terminated
correctly.
All
or
some
keys
on
the
keyboard
do
not
work.
1.
Make
sure
that
the
keyboard
cable
is
properly
connected
to
the
system.
2.
Make
sure
that
the
system
and
the
monitor
are
turned
on.
3.
Try
using
another
keyboard.
The
mouse
or
pointing
device
does
not
work.
1.
Verify
that
the
mouse
or
pointing-device
cable
is
securely
connected
and
the
device
drivers
are
installed
correctly.
2.
Try
using
another
mouse
or
pointing
device.
The
amount
of
memory
displayed
is
less
than
the
amount
of
memory
installed.
Verify
that:
1.
The
memory
modules
are
seated
properly.
2.
You
have
installed
the
correct
type
of
memory.
3.
If
you
changed
the
memory,
you
must
update
the
memory
configuration
with
the
Configuration/Setup
Utility
program.
4.
All
banks
of
memory
on
the
DIMMs
are
enabled.
The
system
might
have
automatically
disabled
a
DIMM
bank
if
it
detected
a
problem,
or
a
DIMM
bank
could
have
been
manually
disabled.
The
number
of
parallel
ports
displayed
is
less
than
the
number
of
parallel
ports
installed.
Verify
that:
1.
Each
port
is
assigned
a
unique
address.
2.
The
parallel-port
adapter,
if
you
installed
one,
is
seated
properly.
The
system
does
not
power
on.
Verify
that:
1.
The
power
cables
are
properly
connected
to
the
server.
2.
The
electrical
outlet
functions
properly.
3.
The
type
of
memory
installed
is
correct.
4.
If
you
just
installed
an
option,
remove
it,
and
restart
the
server.
If
the
server
now
turns
on,
you
might
have
installed
more
options
than
the
power
supply
supports.
The
number
of
serial
ports
identified
by
the
operating
system
is
less
than
the
number
of
serial
ports
installed.
Verify
that:
1.
Each
port
is
assigned
a
unique
address
by
the
Configuration/Setup
Utility
program
and
none
of
the
serial
ports
are
disabled.
Note:
The
management
C
connector
is
the
same
as
a
serial
port
connector,
but
it
is
used
only
by
the
integrated
ASM
processor,
and
is
not
available
for
use
by
the
operating
system.
This
port
does
not
appear
in
the
Configuration/Setup
Utility
program
menus;
it
can
be
configured
using
system
management
software.
2.
The
serial-port
adapter,
if
you
installed
one,
is
seated
properly.
A
serial
device
does
not
work.
Verify
that:
1.
The
device
is
compatible
with
the
server.
2.
The
serial
port
is
enabled
and
is
assigned
a
unique
address.
A
USB
device
does
not
work.
Verify
that:
1.
You
are
not
trying
to
use
a
USB
device
during
POST,
if
you
have
a
standard
(non-USB)
keyboard
attached
to
the
keyboard
port.
Note:
If
a
standard
(non-USB)
keyboard
is
attached
to
the
keyboard
port,
then
the
USB
is
disabled
and
no
USB
device
will
work
during
POST.
2.
The
correct
USB
device
driver
is
installed.
3.
Your
operating
system
supports
USB
devices.
94
xSeries
200
Type
8479
and
xSeries
200VL
Type
8481:
Hardware
Maintenance
Manual