IBM x3655 Service Guide - Page 19

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Chapter 1. Introduction This Problem Determination and Service Guide contains information to help you solve problems that might occur in your IBM® System x3655 Type 7985 server. It describes the diagnostic tools that come with the server, error codes and suggested actions, and instructions for replacing failing components. Replaceable components are of three types: v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation. v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server. v Field replaceable unit (FRU): FRUs must be installed only by trained service technicians. For information about the terms of the warranty and getting service and assistance, see the Warranty and Support Information document. The server has two model styles, which are based on the size and number of hard disk drive bays: v The 3.5-inch models have six 3.5-inch hot-swap hard disk drive bays. Install only 3.5-inch drives in these models. If you install an optional tape drive, the tape drive occupies two of the six 3.5-inch drive bays. v The 2.5-inch models have eight 2.5-inch hot-swap hard disk drive bays and one 3.5-inch tape drive bay. Install only 2.5-inch hard disk drives and an optional 3.5-inch tape drive in these models. Throughout this documentation, the terms 2.5-inch models and 3.5-inch models are used to distinguish between the server styles. Related documentation In addition to this document, the following documentation also comes with the server: v Installation Guide This printed document contains instructions for setting up the server and basic instructions for installing some optional devices. v User's Guide This document is in Portable Document Format (PDF) on the IBM System x™ Documentation CD. It provides general information about the server, including © Copyright IBM Corp. 2006 1

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Chapter
1.
Introduction
This
Problem
Determination
and
Service
Guide
contains
information
to
help
you
solve
problems
that
might
occur
in
your
IBM
®
System
x3655
Type
7985
server.
It
describes
the
diagnostic
tools
that
come
with
the
server,
error
codes
and
suggested
actions,
and
instructions
for
replacing
failing
components.
Replaceable
components
are
of
three
types:
v
Tier
1
customer
replaceable
unit
(CRU):
Replacement
of
Tier
1
CRUs
is
your
responsibility.
If
IBM
installs
a
Tier
1
CRU
at
your
request,
you
will
be
charged
for
the
installation.
v
Tier
2
customer
replaceable
unit:
You
may
install
a
Tier
2
CRU
yourself
or
request
IBM
to
install
it,
at
no
additional
charge,
under
the
type
of
warranty
service
that
is
designated
for
your
server.
v
Field
replaceable
unit
(FRU):
FRUs
must
be
installed
only
by
trained
service
technicians.
For
information
about
the
terms
of
the
warranty
and
getting
service
and
assistance,
see
the
Warranty
and
Support
Information
document.
The
server
has
two
model
styles,
which
are
based
on
the
size
and
number
of
hard
disk
drive
bays:
v
The
3.5-inch
models
have
six
3.5-inch
hot-swap
hard
disk
drive
bays.
Install
only
3.5-inch
drives
in
these
models.
If
you
install
an
optional
tape
drive,
the
tape
drive
occupies
two
of
the
six
3.5-inch
drive
bays.
v
The
2.5-inch
models
have
eight
2.5-inch
hot-swap
hard
disk
drive
bays
and
one
3.5-inch
tape
drive
bay.
Install
only
2.5-inch
hard
disk
drives
and
an
optional
3.5-inch
tape
drive
in
these
models.
Throughout
this
documentation,
the
terms
2.5-inch
models
and
3.5-inch
models
are
used
to
distinguish
between
the
server
styles.
Related
documentation
In
addition
to
this
document,
the
following
documentation
also
comes
with
the
server:
v
Installation
Guide
This
printed
document
contains
instructions
for
setting
up
the
server
and
basic
instructions
for
installing
some
optional
devices.
v
User’s
Guide
This
document
is
in
Portable
Document
Format
(PDF)
on
the
IBM
System
x
™
Documentation
CD.
It
provides
general
information
about
the
server,
including
©
Copyright
IBM
Corp.
2006
1