Symptom/Error

FRU/Action

Real-time clock inaccurate.1. See “Checking the

Backup Battery” on

page

75 before

replacing any FRUs.

2. Backup Battery

3. System Board

Printer

 

problems.

 

1.See “Printer

 

 

 

 

 

 

 

 

 

Checkout”

on

 

 

 

 

 

 

 

 

 

page

474

 

 

 

 

 

 

 

 

 

 

Serial or serial port device1.Device

 

 

 

 

 

problems.

 

 

2.

Cable

 

 

 

 

 

 

 

 

 

3. Serial Adapter

(if

 

 

 

 

 

attached)

 

 

 

 

 

 

 

 

4.

System Board

 

 

 

 

 

 

 

 

 

 

 

 

Parallel

or

parallel

port

1.Device/printer

 

 

 

 

device

problems.

 

2.

Cable

 

 

 

 

 

 

 

 

 

3. Parallel

Adapter

(if

 

 

 

 

 

attached)

 

 

 

 

 

 

 

 

4.

System Board

 

 

 

 

 

 

 

 

 

Internal

Data/Fax modem

1.See “Fax/Modem

 

 

 

does

not

communicate

with

Checkout”

on

 

 

 

 

a remote modem or a

page

472

 

 

 

 

facsimile

machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PS2 command

cannot

 

1. Create

new

PS2

 

 

 

power-off internal modem

setup

program

using

 

 

 

unless

computer is

 

UINSTALL

command.

 

 

 

powered-off.

 

(Reference Diskette

 

 

 

 

 

must

be

1.10

or

later.)

92 IBM Mobile Systems HMM