IBM 8185 사용자 설명서

Microprocessor

0.01 ML of
thermal grease

  

0.01ML

 

is

 

one

 

tick

 

mark

 

on

 

the

 

syringe.

 

If

 

the

 

grease

 

is

 

properly

 

applied,

 

approximately

 

half

 

(0.22ML)

 

of

 

the

 

grease

 

will

 

remain

 

in

 

the

 

syringe.

 

6.

   

Place

 

the

 

fan

 

and

 

heat

 

sink

 

into

 

position

 

on

 

the

 

microprocessor.

 

7.

   

When

 

tightening

 

the

 

screws

 

that

 

clamp

 

the

 

heat

 

sink,

 

do

 

not

 

overtighten.

 

Tighten

 

the

 

clamp

 

screws

 

evenly

 

by

 

tightening

 

one

 

side

 

some

 

and

 

then

 

the

 

other

 

until

 

they

 

are

 

both

 

snug.

 

8.

   

Reconnect

 

the

 

fan

 

to

 

the

 

system

 

board

 

connector.

 

9.

   

Go

 

to

 

 

 

 

 

 

 

 

  

The

 

computer

 

might

 

look

 

slightly

 

different

 

than

 

the

 

following

 

illustrations

 

To

 

remove

 

the

 

system

 

board:

 

1.

   

Turn

 

off

 

the

 

computer

 

and

 

peripheral

 

devices

 

and

 

disconnect

 

all

 

external

 

cables

 

and

 

power

 

cords;

 

then,

 

remove

 

the

 

cover.

 

See

 

2.

   

Disconnect

 

all

 

cables

 

connected

 

to

 

the

 

system

 

board.

 

3.

   

Remove

 

the

 

screws

 

that

 

secure

 

the

 

system

 

board

 

to

 

the

 

chassis

 

and

 

lift

 

out

 

the

 

system

 

board.

 

 

Chapter

 

6.

 

Replacing

 

FRUs