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Installing a memory module
Attention:
The following notes describe the types of dual inline memory modules (DIMMs) that
your server supports and other information that you must consider when you install
DIMMs.
v The server supports industry-standard double-data-rate 3 (DDR3), 800, 1066, or
v At least one DIMM must be installed for the server to operate, but three DIMMs
v When two microprocessors are installed in the server, distribute the DIMMs
v The server supports a maximum of 16 single- or dual-rank DIMMs.
v The maximum number of single-, dual-rank, ECC supported UDIMM the server
v The memory controller has three registered DIMM channels per microprocessor
v Install DIMMs starting with the connector farthest from the microprocessor within
v The server supports 1 GB, 2 GB, 4 GB, and 8 GB DIMMs, with a minimum of 1
Do not mix UDIMMs and RDIMMs in the same server.
1333 MHz, PC3-10600R-999 (single- or dual-rank), registered, synchronous
dynamic random-access memory (SDRAM) dual inline memory modules (DIMMs)
with error correcting code (ECC). See http://www.ibm.com/servers/eserver/
serverproven/compat/us/ for a list of supported memory modules for the server.
per microprocessor improves server performance.
between the two microprocessors to improve server performance.
supports is 12.
(channels 0, 1, and 2). Channels 0 and 1 support three DIMMS, and channel 2
supports two DIMMs.
each channel.
GB and a maximum of 128 GB of system memory.
For 32-bit operating systems only: Some memory is reserved for various
system resources and is unavailable to the operating system. The amount of
Chapter 2. Installing optional devices
79
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