Installing
additional
memory
The
following
notes
describe
the
types
of
dual
inline
memory
modules
(DIMMs)
that
the
blade
server
supports
and
other
information
that
you
must
consider
when
installing
DIMMs:
v
The
blade
server
system
board
contains
eight
DIMM
connectors
(4
DIMM
connectors
per
processor).
If
an
MPE
is
installed,
there
are
also
eight
DIMM
connectors
(4
DIMM
connectors
per
processor)
on
the
MPE
system
board.
v
The
system
supports
Error
Correction
Code
(ECC)
protected,
industry-standard
240-pin,
72-bit
technology
Very
Low
Profile
(VLP)
Double
Data
Rate
Synchronous
DRAM
Dual
In-Line
Memory
Modules
(DDR-2
SDRAM
DIMMs)
v
The
server
supports
two-way
memory
interleaving.
v
Depending
on
the
memory
configuration
set
in
blade
server
BIOS,
the
blade
server
can
support
a
minimum
of
1
GB
and
a
maximum
of
32
GB
of
system
memory
for
single-width
blade
servers
or
a
maximum
of
64
GB
of
system
memory
for
blade
servers
with
an
MPE
installed.
v
The
DIMM
options
that
are
available
for
the
blade
server
are
512
MB,
1
GB,
2
GB,
and
4
GB.
v
All
DIMMs
must
be
installed
in
pairs
of
the
same
size,
speed,
type,
technology,
and
physical
design.
You
can
mix
compatible
DIMMs
from
different
manufacturers.
v
If
you
wish
to
take
advantage
of
Chipkill
memory,
each
DIMM
installed
in
your
blade
server
must
support
the
Chipkill
technology.
v
For
a
current
list
of
supported
DIMMs
for
the
blade
server,
go
to
http://www.ibm.com/servers/eserver/serverproven/compat/us/.
v
For
each
installed
microprocessor,
a
set
of
4
DIMM
sockets
is
enabled
(see
the
following
table
for
more
information).
24
BladeCenter
LS21
Type
7971
and
LS41
Type
7972:
Installation
and
User’s
Guide
|
|
|
Содержание LS21 - BladeCenter - 7971
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