Lenovo ThinkServer TD100x Bedienungsanleitung PDF herunterladen (Seite 42)

Installing a memory module

The following notes describe the types of dual inline memory modules (DIMMs) that

the server supports and other information that you must consider when installing

DIMMs:

v The server supports industry-standard, 1.8 V, 240-pin, 667 MHz, PC2-5300

double-data-rate 2 (DDR2), dynamic random-access memory (DRAM) with error

correcting code (ECC) fully buffered dual inline memory modules (DIMMs). These

DIMMs must be compatible with the latest DDR2 667 MHz DRAM fully buffered

DIMM specification. For a list of options for the server, see http://

www.lenovo.com/thinkserver.

v TD100 models: The DIMM options that are supported for the server are 512 MB,

1 GB , and 2 GB in x4 or x8 technology, single-rank or double-rank. The server

supports a minimum of 1 GB and a maximum of 32 GB (reduced to 16 GB in

mirrored mode) of system memory.

v TD100x models: The DIMM options that are supported for the server are 1 GB,

2 GB, and 4 GB in x4 or x8 technology, single-rank or double-rank. The server

supports a minimum of 1 GB and a maximum of 48 GB (reduced to 24 GB in

mirrored mode) of system memory.

v The system board provides eight or 12 functional DIMM connectors (depending

on the model) and supports two-way memory interleaving when DIMMs are

installed in pairs.

Note: DIMM connectors 3, 6, 9, and 12 are not functional for TD100 models.

Do not install DIMMs in these four connectors and do not remove the DIMM

thermal baffles installed in these connectors unless you need to replace the

system board.

v When installing multiple pairs, always install the DIMMs with the most capacity in

the first slots. For example, if you had a pair of 1 GB DIMMs and a pair of 4 GB

DIMMs, you would install the 4 GB DIMMs in slots 1 and 4.

v The memory controller has four fully buffered DIMM channels that are organized

into two branches. Each branch has two channels and each channel controls two

or more DIMMs. DIMMs that are next to each other (for example, DIMM

connector 1 and DIMM connector 4) within the channels of a branch must be

identical in size, type, speed, and technology. However, the DIMMs in the

connector above or below each other within the channels of a branch do not

have to be identical (for example, the DIMMs in DIMM connector 1 and DIMM

connector 2 do not have to be identical). The following illustration shows how the

memory controller is organized into branches and channels with a pair of DIMMs

installed in each branch.

DIMM 2

DIMM 3

DIMM 1

DIMM 5

DIMM 6

DIMM 4

DIMM 8

DIMM 9

DIMM 7

DIMM 11

DIMM 12

DIMM 10

Memory Controller

Branch 0

Branch 1

Channel 0 Channel 1 Channel 2 Channel 3

v The server can operate in two major modes: mirroring and non-mirroring

(normal). The server can also operate in a single-channel mode when one DIMM

is installed.

28 ThinkServer TD100 and TD100x Types 4203, 4204, 4205, 4206, 6398, 6399, 6419, and 6429: User Guide

Lenovo ThinkServer TD100x Bedienungsanleitung Seite 42

Kommentare zu diesen Handbüchern

Lenovo ThinkServer TD100x Bedienungsanleitung Seite 42

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Computerhardware Lenovo ThinkServer TD100x