Installing A Memory Module (Dimm) - IBM x3350 - System - 4192 Installation Manual

Installing a memory module (DIMM)

The following notes describe the types of dual inline memory modules (DIMMs) that
the server supports and other information that you must consider when you install
DIMMs:
v The server supports up to four unbuffered, PC2-5300, 512 MB, 1 GB, and 2 GB
v The server comes with a minimum of two 512 MB DIMMs or two 1 GB DIMMs,
v Each DIMM in a pair must be the same size, speed, type, and technology to
v If you install a second pair of DIMMs in the DIMM 2 and DIMM 4 connectors,
DIMMs, for a maximum of 8 GB of system memory. See http://www.ibm.com/
servers/eserver/serverproven/compat/us/ for a list of memory modules that you
can use with the server.
Note: Because some memory is reserved for system operation, the actual
usable memory size that is reported by the operating system is less than
the total installed size.
installed in connectors 1 and 3 or connectors 2 and 4. When you install
additional DIMMs, you must install two identical DIMMs at a time, in the order
shown in the following table, to maintain performance.
Table 2. DIMM installation sequence
DIMMS DIMM connectors
2 DIMMs 1 and 3
4 DIMMs 1, 3, 2, and 4
DIMM connector 1
DIMM connector 2
DIMM connector 3
DIMM connector 4
ensure that the server will operate correctly.
they do not have to be the same size, speed, type, and technology as the
Chapter 2. Installing optional devices
15