IBM HS40 Hardware Maintenance Manual - Page 100

BladeCenter, Hardware, Maintenance, Manual, Troubleshooting, Guide, Documentation

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Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by a field service technician. Intermittent problems Symptom FRU/action A problem occurs only Make sure that: occasionally and is difficult to v When the server is turned on, air is flowing from the rear of the server at the detect. blower grill. If there is no airflow, the blower is not working. This causes the server to overheat and shut down. v Ensure that the SCSI bus and devices are configured correctly. Note: See Chapter 7, "Parts listing, Type 8839," on page 105 to determine which components should be replaced by a field service technician. Keyboard, mouse, or pointing-device problems Symptom FRU/action All or some keys on the keyboard do not work. 1. Make sure that: v The keyboard cable is securely connected to the BladeCenter management module, and the keyboard and mouse cables are not reversed. v Both the computer and the monitor are turned on. 2. Keyboard. 3. Management module on the BladeCenter unit; see the IBM BladeCenter Type 8677 Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter Documentation CD. The mouse or pointing device 1. Make sure that: does not work. v The keyboard/mouse/video select button LED on the front of the blade server is lit, indicating that the blade server is connected to the shared BladeCenter monitor. v The mouse or pointing-device cable is securely connected to the BladeCenter management module, and that the keyboard and mouse cables are not reversed. v The mouse works correctly with other blade servers. v The mouse device drivers are installed correctly. v Both the computer and the monitor are turned on. v The mouse is recognized as a USB device, not PS2, by your blade server. Although the mouse is a PS2-style device, communication with the mouse is through an internal USB bus in the BladeCenter chassis. Some operating systems permit you to select the type of mouse during installation of the operating system. Select USB. 2. Mouse or pointing device. 3. Management module on the BladeCenter unit; see the IBM BladeCenter Type 8677 Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter Documentation CD. Mouse function lost during Red Hat installation. If, while installing Red Hat Linux 7.3 to a blade server, you or someone else selects a different blade server as owner of the keyboard, video, and monitor (KVM), you might lose mouse function for the installation process. Do not switch KVM owners until the installation process begins to install the packages (after the 'About to Install' window). 90 BladeCenter HS40 Type 8839: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See
Chapter
7,
“Parts
listing,
Type
8839,”
on
page
105
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Intermittent
problems
Symptom
FRU/action
A
problem
occurs
only
occasionally
and
is
difficult
to
detect.
Make
sure
that:
v
When
the
server
is
turned
on,
air
is
flowing
from
the
rear
of
the
server
at
the
blower
grill.
If
there
is
no
airflow,
the
blower
is
not
working.
This
causes
the
server
to
overheat
and
shut
down.
v
Ensure
that
the
SCSI
bus
and
devices
are
configured
correctly.
Note:
See
Chapter
7,
“Parts
listing,
Type
8839,”
on
page
105
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Keyboard,
mouse,
or
pointing-device
problems
Symptom
FRU/action
All
or
some
keys
on
the
keyboard
do
not
work.
1.
Make
sure
that:
v
The
keyboard
cable
is
securely
connected
to
the
BladeCenter
management
module,
and
the
keyboard
and
mouse
cables
are
not
reversed.
v
Both
the
computer
and
the
monitor
are
turned
on.
2.
Keyboard.
3.
Management
module
on
the
BladeCenter
unit;
see
the
IBM
BladeCenter
Type
8677
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
BladeCenter
Documentation
CD.
The
mouse
or
pointing
device
does
not
work.
1.
Make
sure
that:
v
The
keyboard/mouse/video
select
button
LED
on
the
front
of
the
blade
server
is
lit,
indicating
that
the
blade
server
is
connected
to
the
shared
BladeCenter
monitor.
v
The
mouse
or
pointing-device
cable
is
securely
connected
to
the
BladeCenter
management
module,
and
that
the
keyboard
and
mouse
cables
are
not
reversed.
v
The
mouse
works
correctly
with
other
blade
servers.
v
The
mouse
device
drivers
are
installed
correctly.
v
Both
the
computer
and
the
monitor
are
turned
on.
v
The
mouse
is
recognized
as
a
USB
device,
not
PS2,
by
your
blade
server.
Although
the
mouse
is
a
PS2-style
device,
communication
with
the
mouse
is
through
an
internal
USB
bus
in
the
BladeCenter
chassis.
Some
operating
systems
permit
you
to
select
the
type
of
mouse
during
installation
of
the
operating
system.
Select
USB.
2.
Mouse
or
pointing
device.
3.
Management
module
on
the
BladeCenter
unit;
see
the
IBM
BladeCenter
Type
8677
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
BladeCenter
Documentation
CD.
Mouse
function
lost
during
Red
Hat
installation.
If,
while
installing
Red
Hat
Linux
7.3
to
a
blade
server,
you
or
someone
else
selects
a
different
blade
server
as
owner
of
the
keyboard,
video,
and
monitor
(KVM),
you
might
lose
mouse
function
for
the
installation
process.
Do
not
switch
KVM
owners
until
the
installation
process
begins
to
install
the
packages
(after
the
’About
to
Install’
window).
90
BladeCenter
HS40
Type
8839:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide