IBM JS20 Hardware Maintenance Manual - Page 96

System, board, component, locations

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System board Two operational microprocessors and heat sinks are required on the system board in the blade server at all times. The microprocessors and heat sinks are not replaceable. Do not attempt to remove these components or any components that secure the microprocessors and heat sinks to the system board. You must replace the system board if any of these conditions exists: v A microprocessor or heat sink becomes defective. v Certain errors occur as described in "Firmware error codes" on page 102. v The blade server does not restart after you recover the system firmware code as described in "Recovering the system firmware code" on page 54. To obtain a new system board, you must order a new blade server. The replacement system board comes attached to the new blade server. To order a blade server, contact your IBM authorized reseller or IBM marketing representative. Important: After you replace the system board, you must either update the new blade server with the latest firmware or restore the pre-existing firmware from a diskette or CD image. You must also reconfigure the new blade server and reset the system date and time. System board component locations The following illustration shows the location of the system-board components, including connectors for user-installable options. Note: All jumpers not specifically mentioned are reserved. 86 BladeCenter JS20 Type 8842: Hardware Maintenance Manual and Troubleshooting Guide

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System
board
Two
operational
microprocessors
and
heat
sinks
are
required
on
the
system
board
in
the
blade
server
at
all
times.
The
microprocessors
and
heat
sinks
are
not
replaceable.
Do
not
attempt
to
remove
these
components
or
any
components
that
secure
the
microprocessors
and
heat
sinks
to
the
system
board.
You
must
replace
the
system
board
if
any
of
these
conditions
exists:
v
A
microprocessor
or
heat
sink
becomes
defective.
v
Certain
errors
occur
as
described
in
“Firmware
error
codes”
on
page
102.
v
The
blade
server
does
not
restart
after
you
recover
the
system
firmware
code
as
described
in
“Recovering
the
system
firmware
code”
on
page
54.
To
obtain
a
new
system
board,
you
must
order
a
new
blade
server.
The
replacement
system
board
comes
attached
to
the
new
blade
server.
To
order
a
blade
server,
contact
your
IBM
authorized
reseller
or
IBM
marketing
representative.
Important:
After
you
replace
the
system
board,
you
must
either
update
the
new
blade
server
with
the
latest
firmware
or
restore
the
pre-existing
firmware
from
a
diskette
or
CD
image.
You
must
also
reconfigure
the
new
blade
server
and
reset
the
system
date
and
time.
System
board
component
locations
The
following
illustration
shows
the
location
of
the
system-board
components,
including
connectors
for
user-installable
options.
Note:
All
jumpers
not
specifically
mentioned
are
reserved.
86
BladeCenter
JS20
Type
8842:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide