IBM Series 1400, Series 1500 manual Read this first, What to do first, computer, only, of a

Read this first

Before you go to the check procedures, be s this section.

Important		Notes
Ÿ	Only	certified trained personnel should service
	the	computer.

ŸRead the entire FRU service procedures be replacing any FRUs.

ŸUse new nylon-coated screws when you replace FRUs.

Ÿ

Be

extremely

careful

during

write

operations

such

as copying, saving, or formatting.

Drives in the

computer that you are servicing might have b

rearranged or the drive startup

sequence

mi

been altered. If you select an incorrect

programs

could

be

overwritten.

Ÿ

Replace

FRUs

only

for

the

correct

model.

When

you

replace

a

FRU,

make sure that the mod

machine

and

FRU part

number

are

correct

by

ring

to

the

FRU

parts

list.

Ÿ

A

FRU

should

not

be

replaced

because

of a

single,

unreproducible

failure.

Single

failure

can

occur for

a

variety

of

reasons

that

have

with a hardware defect, such as: cosmic r

electrostatic discharge, or software error.

replacement should

be

considered

only

when

a

ring

problem

exists.

In

this

case, clear

th

and run the test again. Do not replace FRU

errors

do

not

reappear.

Ÿ Be careful not to replace a non-defective FRU.

What to do first

The servicer must include the following in the p exchange form or parts return form that is atta returned FRU:

1.Name and phone number of servicer

2.Date of service

3.Date when part failed

4.Date of purchase

5.Failure symptoms, error codes appearing on di and beep symptoms

6.Procedure index and page number in which fa FRU was detected

7. Failing FRU name and part number

8. Machine type, model number and serial number

9. Customer's name and address

ThinkPad i Series 1400/19500