Installing A Memory Module - Lenovo THINKSERVER 3822 Hardware Maintenance Manual

Installing a memory module

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 each installed microprocessor for the
v When two microprocessors are installed in the server, distribute the DIMMs
v The server supports a maximum of 16 single-, dual-, or quad-rank DIMMs.
v The memory controller has three registered DIMM channels per microprocessor
v When installing DIMMs, install them starting with the connector farthest from the
v When installing a quad-ranked DIMM in a channel with single- or dual-ranked
1
Microprocessor 1
2
Microprocessor 2
1333 MHz, PC3-10600R-999 (single-, dual-, or quad-rank), registered,
synchronous dynamic random-access memory (SDRAM) dual inline memory
modules (DIMMs) with error correcting code (ECC). See
http://www.lenovo.com/thinkserver and click the Options tab for a list of
supported memory modules for the server.
server to operate, but three DIMMs per microprocessor improves server
performance.
between the two microprocessors to improve server performance.
(Channels 0, 1, and 2). Channels 0 and 1 support three DIMMs and Channel 2
supports two DIMMs.
microprocessor within each channel.
DIMMs, install the quad-ranked DIMM in the connector farthest from the
microprocessor.
Chapter 7. Installing optional devices and replacing customer replaceable units
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