Installing a memory module Адаптер thinkserver Lenovo Tower Server - TS100 (ThinkServer) - Type 6431

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Table

 

4.

 

Dual-channel

 

mode

 

with

 

single-rank

 

and

 

double-rank

 

DIMMs

 

First

 

pair

 

Second

 

pair

 

Remarks

 

DIMM

 

1

 

DIMM

 

2

 

DIMM

 

3

 

DIMM

 

4

 

Single-rank

 

Single-rank

 

Single-rank

 

Single-rank

 

Single-rank

 

Single-rank

 

Double-rank

 

Double-rank

 

This

 

configuration

 

is

 

the

 

second-best

 

choice.

 

Double-rank

 

Double-rank

 

Single-rank

 

Single-rank

 

This

 

configuration

 

is

 

the

 

best

 

choice.

 

Double-rank

 

Double-rank

 

Double-rank

 

Double-rank

 

  

The

 

following

 

table

 

shows

 

the

 

sequence

 

in

 

which

 

DIMMs

 

must

 

be

 

installed

 

in

 

the

 

server.

 

 

Table

 

5.

 

DIMM

 

installation

 

sequence

 

Number

 

of

 

DIMMs

 

Installation

 

sequence

 

(connectors)

 

1

 

1

 

2

 

(interleaved

 

configuration)

 

1,

 

3

 

3

 

The

 

use

 

of

 

three

 

DIMMs

 

is

 

not

 

supported,

 

4

 

(interleaved

 

configuration)

 

1,

 

3,

 

2,

 

4

  

v

   

The

 

amount

 

of

 

usable

 

memory

 

will

 

be

 

reduced

 

depending

 

on

 

the

 

system

 

configuration.

 

A

 

certain

 

amount

 

of

 

memory

 

must

 

be

 

reserved

 

for

 

system

 

resources.

 

To

 

view

 

the

 

total

 

amount

 

of

 

installed

 

memory

 

and

 

the

 

amount

 

of

 

configured

 

memory,

 

run

 

the

 

Configuration/Setup

 

Utility

 

program

 

and

 

select

 

System

 

Summary

 

from

 

the

 

menu.

 

For

 

additional

 

information,

 

see

 

Chapter

 

3,

 

“Configuring

 

the

 

server,”

 

on

 

page

 

55.

 

v

   

When

 

you

 

restart

 

the

 

server

 

after

 

you

 

add

 

or

 

remove

 

a

 

DIMM,

 

the

 

server

 

displays

 

a

 

message

 

that

 

the

 

memory

 

configuration

 

has

 

changed.

 

 

Chapter

 

2.

 

Installing

 

optional

 

devices

 

27