Identifying parts on the system board, Identifying, Parts – Lenovo 6491 User Manual

Page 45: System, Board

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4.

Slide

the

drive

bay

assembly

forward

until

the

drive

bay

assembly

is

aligned

with

the

two

slots

on

the

sides

of

the

chassis

and

remove

the

drive

cables

from

the

system

board.

Then

pull

upward

on

the

handle

1

to

remove

the

drive

bay

assembly

completely

from

the

computer.

Identifying

parts

on

the

system

board

The

system

board

(sometimes

called

the

planar

or

motherboard)

is

the

main

circuit

board

in

your

computer.

It

provides

basic

computer

functions

and

supports

a

variety

of

devices

that

are

factory-installed

or

that

you

can

install

later.

Chapter

3.

Installing

options

25