When
a
recoverable
error
is
found
by
memory
scrubbing,
the
Memory
ProteXion
feature
writes
the
data
that
was
to
be
stored
in
the
damaged
memory
locations
to
spare
memory
locations
within
the
same
DIMM.
Removing
and
replacing
a
memory
card
At
least
one
memory
card
with
one
pair
of
DIMMs
must
be
installed
for
the
server
to
operate
correctly.
Replacing
a
memory
card
Complete
the
following
steps
to
replace
a
memory
card:
1.
Read
the
safety
information
beginning
on
page
v
and
“Installation
guidelines”
on
page
20.
2.
Remove
the
cover
from
the
server
(see
“Removing
the
cover
and
bezel”
on
page
22).
3.
Prepare
the
new
memory
card
to
go
into
the
server:
a.
Touch
the
static
protective
package
that
contains
the
memory
card
to
any
unpainted
surface
on
the
outside
of
the
server;
then,
remove
the
memory
card
from
the
package.
b.
Lay
the
static
protective
package
on
a
flat
surface
and
place
the
memory
card
on
top
of
it.
c.
Install
memory
DIMMs
in
the
memory
card
(see
“Installing
memory
modules”
on
page
36).
4.
Remove
the
memory
card
from
the
server:
a.
Make
sure
that
the
retention
levers
on
the
edge
of
the
memory
card
are
fully
open.
b.
Lift
the
memory
card
out
of
the
server
and
set
it
aside.
5.
Replace
the
memory
card:
a.
Grasp
the
new
memory
card
by
the
retention
levers
and
turn
the
memory
card
so
that
the
connector
aligns
with
the
connector
on
the
microprocessor
board.
b.
Insert
the
memory
card
into
the
memory
card
connector.
c.
Press
the
memory
card
into
the
connector
and
close
the
small
retention
lever.
d.
Wait
two
seconds
and
close
the
large
retention
lever.
If
you
have
other
options
to
install
or
remove,
do
so
now;
otherwise,
go
to
“Completing
the
installation”
on
page
46.
Hot-replacing
a
memory
card
To
hot-replace
a
memory
card,
memory
mirroring
must
be
enabled.
See
“Active
Memory”
on
page
33
for
information
on
how
to
enable
memory
mirroring.
Complete
the
following
steps
to
hot-replace
a
memory
card
in
the
server:
Attention:
Static
electricity
that
is
released
to
internal
server
components
when
the
server
is
powered-on
might
cause
the
server
to
halt,
which
could
result
in
the
loss
of
data.
To
avoid
this
potential
problem,
always
use
an
electrostatic-discharge
wrist
strap
or
other
grounding
system
when
working
inside
the
server
with
the
power
on.
1.
Read
the
safety
information
beginning
on
page
v
and
“Installation
guidelines”
on
page
20.
Chapter
2.
Installing
options
35
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