IBM 326m Hardware Maintenance Manual - Page 54

Installing, additional, microprocessor

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into the connector by applying pressure on both ends of the DIMM simultaneously. The retaining clips snap into the locked position when the DIMM is firmly seated in the connector. If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly inserted; open the retaining clips, remove the DIMM, and then reinsert it. Important: In some memory configurations, the 3-3-3 beep code might sound during POST, followed by a blank monitor screen. If this occurs and the Boot Diagnostic Screen or QuickBoot Mode feature on the Start Options menu of the Configuration/Setup Utility program is enabled (its default setting), you must restart the server three times to force the basic input/output system (BIOS) to reset the configuration to the default configuration (the memory connectors enabled). 8. If you have other options to install, install them now. Otherwise, go to "Completing the installation" on page 53. Installing an additional microprocessor The following notes describe the type of microprocessor that your server supports and other information that you must consider when installing a microprocessor: 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 on the system board. Microprocessor 1 error LED (DLED13) Microprocessor 1 (CPU1) Microprocessor 2 (CPU2) Microprocessor 2 error LED (DLED14) v If one microprocessor is installed, it is installed in microprocessor socket 1 (CPU1) 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 44 326m Type 7969: Hardware Maintenance Manual and Troubleshooting Guide

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into
the
connector
by
applying
pressure
on
both
ends
of
the
DIMM
simultaneously.
The
retaining
clips
snap
into
the
locked
position
when
the
DIMM
is
firmly
seated
in
the
connector.
If
there
is
a
gap
between
the
DIMM
and
the
retaining
clips,
the
DIMM
has
not
been
correctly
inserted;
open
the
retaining
clips,
remove
the
DIMM,
and
then
reinsert
it.
Important:
In
some
memory
configurations,
the
3-3-3
beep
code
might
sound
during
POST,
followed
by
a
blank
monitor
screen.
If
this
occurs
and
the
Boot
Diagnostic
Screen
or
QuickBoot
Mode
feature
on
the
Start
Options
menu
of
the
Configuration/Setup
Utility
program
is
enabled
(its
default
setting),
you
must
restart
the
server
three
times
to
force
the
basic
input/output
system
(BIOS)
to
reset
the
configuration
to
the
default
configuration
(the
memory
connectors
enabled).
8.
If
you
have
other
options
to
install,
install
them
now.
Otherwise,
go
to
“Completing
the
installation”
on
page
53.
Installing
an
additional
microprocessor
The
following
notes
describe
the
type
of
microprocessor
that
your
server
supports
and
other
information
that
you
must
consider
when
installing
a
microprocessor:
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
on
the
system
board.
Microprocessor 2 (CPU2)
Microprocessor 2 error
LED (DLED14)
Microprocessor 1 (CPU1)
Microprocessor 1 error
LED (DLED13)
v
If
one
microprocessor
is
installed,
it
is
installed
in
microprocessor
socket
1
(CPU1)
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
44
326m
Type
7969:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide