Installing a dimm, Installing, Dimm – Lenovo 3797 User Manual
Page 84: Table

Table
10.
Memory-mirroring
mode
DIMM
population
sequence
DIMMs
Number
of
installed
microprocessors
DIMM
connector
First
pair
of
DIMMs
1
3,
6
Second
pair
of
DIMMs
1
2,
5
Third
pair
of
DIMMs
1
1,
4
Fourth
pair
of
DIMMs
2
14,
11
Fifth
pair
of
DIMMs
2
13,
10
Sixth
pair
of
DIMMs
2
12,
9
Note:
DIMM
connectors
7,
8,
15,
and
16
are
not
used
in
memory-mirroring
mode.
When
you
install
or
remove
DIMMs,
the
server
configuration
information
changes.
When
you
restart
the
server,
the
system
displays
a
message
that
indicates
that
the
memory
configuration
has
changed.
Installing
a
DIMM
To
install
a
DIMM,
complete
the
following
steps.
1.
Read
the
safety
information
that
begins
on
page
and
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cord
and
all
external
cables
(see
3.
Remove
the
server
cover
(see
1
DIMM
air
baffle
2
PCI
riser-card
assembly
1
68
ThinkServer
RD220
Types
3729,
3779,
3797,
and
3798:
Installation
and
User
Guide