Lenovo A50 Bedienungsanleitung PDF herunterladen (Seite 52)

The

following

illustration

shows

the

locations

of

parts

on

the

system

board.

1

Microprocessor

11

SATA0

connector

2

DIMM

connector

1

12

Front

panel

connector

3

DIMM

connector

2

13

Clear

CMOS/Recovery

jumper

4

DIMM

connector

3

14

Battery

5

DIMM

connector

4

15

Front

panel

audio

connector

6

Power

connector

16

PCI

slot

3

7

Diskette

drive

connector

17

PCI

slot

2

8

Primary

IDE

connector

18

PCI

slot

1

9

Secondary

IDE

connector

19

AGP

slot

(some

models)

10SATA1

connector

20

12v

power

connector

Installing

memory

Your

computer

has

four

connectors

for

installing

dual

inline

memory

modules

(DIMMs)

that

provide

up

to

a

maximum

of

4.0

GB

of

system

memory.

When

installing

DIMMs,

the

following

rules

apply:

v

System

memory

is

divided

into

two

channels

(channel

A

and

B).

DIMM

connectors

1

and

2

are

channel

A,

and

DIMM

connectors

3

and

4

are

channel

B.

v

If

DIMM

connectors

1

and

3

(or

2

and

4)

are

filled

with

the

same

technology

and

size

of

memory,

the

system

operates

in

dual

channel

mode.

v

Use

2.5

V,

184-pin,

double

data

rate

synchronous

dynamic

random

access

memory

(DDR

SDRAM).

v

Use

128

MB,

256

MB,

512

MB

or

1.0

GB

DIMMs

in

any

combination.

v

DIMMs

are

38.1

mm

(1.5

inches)

in

height.

Note:

Only

DDR

SDRAM

DIMMs

can

be

used.

36

User

Guide

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