IBM R50 Series User Manual

Turn the card over 3, and detach the modem connector
4.
3
4
When installing: Make sure that connector 4 and the
connector on the underside of the card
are firmly attached. Then place the
cable to fit in the cable guide as in the
figure.
Removing and replacing a FRU
ThinkPad R50/R50p and R51 Series 79

IBM R50 Series Specifications

General

Brand	IBM
Model	R50 Series
Category	Desktop
Language	English

Summary

Introduction

Important service information

Crucial information for servicing the computer.

Strategy for replacing FRUs

Guidelines and strategy for replacing FRUs.

How to use error messages

Guide on interpreting and using error messages for diagnosis.

Safety notices: multilingual translations

Safety notices presented in multiple languages.

Safety information

General safety

Electrical safety

Rules for working safely with electrical equipment.

Safety inspection guide

Checklist to identify potentially unsafe conditions before service.

Handling devices that are sensitive to electrostatic discharge

Procedures for handling ESD-sensitive components safely.

Grounding requirements

General descriptions

Read this first

What to do first

Related service information

Restoring the pre-installed system

Recovery to Factory Contents by using Product Recovery CDs

Passwords

Power-on Password Details

Details on power-on password, its function, and setup.

Hard-Disk Password Details

Details on hard-disk password, modes, and user/master.

Supervisor Password Details

Details on supervisor password and its function.

Removing Power-On Password

Procedure to remove forgotten power-on password.

Removing Hard-Disk Password

Procedure to remove forgotten hard-disk password.

Checkout guide

Testing the computer

Creating the PC-Doctor diagnostics diskette

Power system checkout

ThinkPad R50/R50p and R51 Series

Product Overview

Specifications

FRU Tests

Symptom-to-FRU index

Numeric error codes

Lists numeric error codes and FRU actions.

Beep symptoms

No-beep symptoms

LCD-related symptoms

Intermittent problems

Undetermined problems

FRU replacement notices

Screw notices

Removing and replacing a FRU

1010 Battery pack

Instructions for removing and installing the battery pack.

1030 Hard disk drive

Instructions for removing and installing the hard disk drive.

1050 Keyboard

Instructions for removing and installing the keyboard.

1180 LCD assembly

Instructions for removing and installing the LCD assembly.

1200 System board, interposer card, and base cover

Instructions for removing and installing the system board.

Parts list

R50/R50p and R51 series model matrix

Keyboard

Table 1. Keyboards for 15.0-in. LCD models

Table 2. Keyboards for 14.1-in. LCD models

Recovery CDs

For Windows XP Professional (R50/R50p series)

For Windows XP Professional (R51 series)

For Windows XP Home Edition (R50/R50p series)

For Windows XP Home Edition (R51 series)