Slot 8
Slot 1
Note:
When
installing
additional
DIMMs,
always
install
in
pairs
starting
with
slots
1
and
2.
v
The
server
supports
Chipkill
™
memory
technology,
which
enables
the
server
to
function
with
one
bad
chip
on
a
DIMM.
The
bad
memory
module
must
be
on
a
x4
DIMM.
The
256
MB
and
512
MB
DIMMs
that
are
x8
DIMMs,
do
not
support
Chipkill
memory.
See
the
following
table
for
the
supported
Chipkill
memory
configurations.
Table
2.
Supported
Chipkill
memory
configurations
DIMM
size
Type
Supported
by
Chipkill
Minimum
Maximum
256
MB
32Mx8
No
512
MB
2
GB
512
MB
64Mx8
No
1
GB
4
GB
512
MB
64Mx4
Yes
1
GB
4
GB
1
GB
128Mx4
Yes
2
GB
8
GB
2
GB
256Mx4
Yes
4
GB
16
GB
v
You
can
configure
the
server
to
use
memory
mirroring.
Memory
mirroring
stores
data
in
two
pairs
of
DIMMs
simultaneously.
When
using
memory
mirroring,
you
must
install
two
pairs
of
DIMMs
at
a
time.
All
the
DIMMs
you
use
in
memory
mirroring
must
be
identical.
See
the
following
table
for
the
DIMM
pairs
that
are
in
the
slots.
Table
3.
Memory
mirroring
DIMM
installation
sequence
Pair
Slot
location
1
Slot:
1
and
2
2
Slot:
3
and
4
3
Slot:
5
and
6
4
Slot:
7
and
8
v
The
server
also
supports
memory
sparing;
however,
the
sparing
feature
is
mutually
exclusive
with
mirroring.
The
sparing
feature
disables
the
failed
memory
from
the
system
configuration
and
activates
a
memory
sparing
pair
of
DIMMs
to
replace
the
failed
active
DIMM
pair.
10
IBM
xSeries
336
Type
8837:
Installation
Guide
Summary of Contents for 883725U
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