IBM 8835 Hardware Maintenance Manual - Page 49

Installing, microprocessor

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Installing a microprocessor This section describes the type of microprocessor that the server supports and other information that you must consider when installing a microprocessor, as well as how to install a microprocessor in the server. Before you install a microprocessor, read the following information: v The server comes with one microprocessor installed. The following illustration shows the two microprocessor sockets on the system board. The voltage regulator modules (VRMs) for microprocessors 1 and 2 are integrated on the system board. Microprocessor 1 error LED (DLED13) Microprocessor 1 (U1) Microprocessor 2 (U2) Microprocessor 2 error LED (DLED14) v If one microprocessor is installed, it is installed in microprocessor socket 1 (U1) and supports both the startup and application processes. v If you install a second microprocessor in the server, the server operates as a symmetric multiprocessing (SMP) server, and operating-system application programs can distribute the processing load between the microprocessors. This enhances performance for database and point-of-sale applications, integrated manufacturing solutions, and other applications. Microprocessor 2 is installed in socket 2 (U2). Notes: 1. Read the documentation that comes with the microprocessor to determine if you need to update the BIOS code. The most current level of BIOS code for the server is available at http://www.ibm.com/pc/support/. For additional information, see the User's Guide on the IBM Documentation CD. Eserver 2. To use SMP, obtain an SMP-capable operating system. For a list of supported operating systems, go to http://www.ibm.com/pc/us/compat/. Chapter 4. Installing options 39

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Installing
a
microprocessor
This
section
describes
the
type
of
microprocessor
that
the
server
supports
and
other
information
that
you
must
consider
when
installing
a
microprocessor,
as
well
as
how
to
install
a
microprocessor
in
the
server.
Before
you
install
a
microprocessor,
read
the
following
information:
v
The
server
comes
with
one
microprocessor
installed.
The
following
illustration
shows
the
two
microprocessor
sockets
on
the
system
board.
The
voltage
regulator
modules
(VRMs)
for
microprocessors
1
and
2
are
integrated
on
the
system
board.
Microprocessor 2 (U2)
Microprocessor 2 error
LED (DLED14)
Microprocessor 1 (U1)
Microprocessor 1 error
LED (DLED13)
v
If
one
microprocessor
is
installed,
it
is
installed
in
microprocessor
socket
1
(U1)
and
supports
both
the
startup
and
application
processes.
v
If
you
install
a
second
microprocessor
in
the
server,
the
server
operates
as
a
symmetric
multiprocessing
(SMP)
server,
and
operating-system
application
programs
can
distribute
the
processing
load
between
the
microprocessors.
This
enhances
performance
for
database
and
point-of-sale
applications,
integrated
manufacturing
solutions,
and
other
applications.
Microprocessor
2
is
installed
in
socket
2
(U2).
Notes:
1.
Read
the
documentation
that
comes
with
the
microprocessor
to
determine
if
you
need
to
update
the
BIOS
code.
The
most
current
level
of
BIOS
code
for
the
server
is
available
at
For
additional
information,
see
the
User’s
Guide
on
the
IBM
Eserver
Documentation
CD.
2.
To
use
SMP,
obtain
an
SMP-capable
operating
system.
For
a
list
of
supported
operating
systems,
go
to
Chapter
4.
Installing
options
39