IBM 79856au User Guide - Page 69

DIMMs, microprocessor, installed, microprocessors

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Note: Because some memory is reserved for system operation, the actual usable memory size reported by the operating system will be less than the total installed size. v The server comes with a minimum of two 512 MB DIMMs, installed in slots 1 and 2. When installing additional DIMMs, you must install two identical DIMMS at a time, in the order shown in the following table, to maintain performance. Table 3. DIMM installation sequence DIMMs 2 1 microprocessor installed DIMM connectors 1 and 2 2 microprocessors installed Not applicable 4 DIMM connectors 1 through 4 DIMM connectors 1 and 2 and 9 and 10 6 DIMM connectors 1 through 6 DIMM connectors 1 through 4 and 9 and 10 8 DIMM connectors 1 through 8 DIMM connectors 1 through 4 and 9 through 12 10 Not applicable DIMM connectors 1 through 6 and 9 through 12 12 Not applicable DIMM connectors 1 through 6 and 9 through 14 14 Not applicable DIMM connectors 1 through 8 and 9 through 14 16 Not applicable DIMM connectors 1 through 16 DIMM 16 DIMM 15 DIMM 14 DIMM 13 DIMM 12 DIMM 11 DIMM 10 DIMM 9 DIMM 8 DIMM 7 DIMM 6 DIMM 5 DIMM 4 DIMM 3 DIMM 2 DIMM 1 v Each DIMM in a pair must be the same size, speed, type, and technology to ensure that the server will operate properly. Chapter 2. Installing optional devices 55

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Note:
Because
some
memory
is
reserved
for
system
operation,
the
actual
usable
memory
size
reported
by
the
operating
system
will
be
less
than
the
total
installed
size.
v
The
server
comes
with
a
minimum
of
two
512
MB
DIMMs,
installed
in
slots
1
and
2.
When
installing
additional
DIMMs,
you
must
install
two
identical
DIMMS
at
a
time,
in
the
order
shown
in
the
following
table,
to
maintain
performance.
Table
3.
DIMM
installation
sequence
DIMMs
1
microprocessor
installed
2
microprocessors
installed
2
DIMM
connectors
1
and
2
Not
applicable
4
DIMM
connectors
1
through
4
DIMM
connectors
1
and
2
and
9
and
10
6
DIMM
connectors
1
through
6
DIMM
connectors
1
through
4
and
9
and
10
8
DIMM
connectors
1
through
8
DIMM
connectors
1
through
4
and
9
through
12
10
Not
applicable
DIMM
connectors
1
through
6
and
9
through
12
12
Not
applicable
DIMM
connectors
1
through
6
and
9
through
14
14
Not
applicable
DIMM
connectors
1
through
8
and
9
through
14
16
Not
applicable
DIMM
connectors
1
through
16
DIMM 16
DIMM 15
DIMM 14
DIMM 13
DIMM 12
DIMM 11
DIMM 10
DIMM 9
DIMM 8
DIMM 7
DIMM 6
DIMM 5
DIMM 4
DIMM 3
DIMM 2
DIMM 1
v
Each
DIMM
in
a
pair
must
be
the
same
size,
speed,
type,
and
technology
to
ensure
that
the
server
will
operate
properly.
Chapter
2.
Installing
optional
devices
55