General Checkout

The diagnostic tests are intendedonly IBMto test

products. Non-IBM products, prototype card, or modified options can give false errors and invalid system responses.

Warning: The drives might have been rearranged or the drive startup sequence might have been altered. Be

extremely careful during write operations such as copying,

saving,

or

formatting.

Data

or

programs

can

 

be

written

 

over

if

you select

an

incorrect

drive.

 

 

 

 

 

 

Japanese

Models

Only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

Japanese

model

of

the

ThinkPad

700C

has

an

 

89-key keyboard. This keyboard is identified by the

additional keys at the left and right sides of the

spacebar.

 

 

 

 

 

 

 

 

 

 

 

 

 

When testing the diskette drive in the

 

Japanese

 

model, the 1.2MB format (8 sectors per

 

track and

15

sectors per track) in addition to the

720KB

and

 

1.44MB formats are tested to ensure correct

 

operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

A 2.0MB capacity diskette is required

when

testing

the

1.2MB

format.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Power-off the computer

and

all

external devices.

 

2. Check all cables and power cords for correct

 

 

connection.

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

 

Make

sure

that

no diskettes

are

in

the

drives.

 

4.Power-on all external devices.

5.Power-on the computer. If any error message appears on the screen, go to “Symptom-to-FRU Index” on page 82.

If

no

message

appears

on

the

screen,

press

 

Ctrl +Alt +Delete

 

to

continue. After

the

cursor

moves

to

the

upper right

corner

of

the

screen,

press

Ctrl +Alt +Insert

 

to

start

the

system

program. If

the

IBM logo screen does not

appear,

 

insert the

backup

copy of the system partition

into the diskette drive a

start

the

system program

again. ThenCtrl +A press,

 

 

and

run

the

system checkout. For

information

on

how

to

disable

 

the

password,

see

“Power-On

Password

(700,

700C)”

on

page 97.

 

 

 

 

 

 

 

 

 

6.Refer to the following table. If you do not find your symptom listed, go to “Symptom-to-FRU Index” on

page 82, then go to “Undetermined Problem” on page 93.

68 IBM Mobile Systems HMM