Table
10.
Online-spare
DIMM
connector
assignments
Active
DIMMs
Required
online-spare
memory
DIMMs
Empty
connectors
1
and
4
2
and
5
3,
6,
7,
8,
9,
10,
11,
and
12
1,
4,
7,
and
10
2,
5,
8,
and
11
3,
6,
9,
and
12
1,
4,
7,
and
10
2,
5,
8,
and
11
3,
6,
9,
and
12
none
To
install
a
DIMM,
complete
the
following
steps.
1.
Open
the
retaining
clip
on
each
end
of
the
DIMM
connector.
2.
Touch
the
static-protective
package
that
contains
the
DIMM
to
any
unpainted
metal
surface
on
the
server.
Then,
remove
the
DIMM
from
the
package.
3.
Turn
the
DIMM
so
that
the
DIMM
keys
align
correctly
with
the
connector.
4.
Insert
the
DIMM
into
the
connector
by
aligning
the
edges
of
the
DIMM
with
the
slots
at
the
ends
of
the
DIMM
connector.
Firmly
press
the
DIMM
straight
down
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.
5.
Repeat
steps
1
through
4
until
all
the
new
or
replacement
DIMMs
are
installed.
6.
Replace
the
air
baffle
over
the
DIMMs
(see
“Installing
the
DIMM
air
baffle”
on
page
96).
7.
Replace
the
riser-card
assembly
(see
“Installing
the
riser-card
assembly”
on
page
98).
8.
Install
the
cover
(see
“Installing
the
cover”
on
page
91).
9.
Slide
the
server
into
the
rack.
10.
Reconnect
the
external
cables;
then,
reconnect
the
power
cords
and
turn
on
the
peripheral
devices
and
the
server.
Removing
a
hot-swap
fan
Attention:
To
ensure
proper
server
operation
and
cooling,
if
you
remove
a
fan
you
must
install
a
replacement
fan
as
soon
as
possible.
116
IBM
System
x3650
Type
7979
and
1914:
Problem
Determination
and
Service
Guide
Summary of Contents for System x3650 Type 7979
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