manuais IBM THINKPAD A20M

Ibm THINKPAD A20M Manual do Utilizador (158 páginas)

Marca: Ibm | Categoria: Computadores portáteis | Tamanho: 1.77 MB |

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Índice

IBM Mobile Systems

1

ThinkPad Computer

1

Hardware Maintenance Manual

1

About this manual

3

Contents

5

Introduction

7

How to use error messages

8

Diskette compatibility matrix

8

Safety notices

10

Safety information

20

General safety

20

Electrical safety

21

Safety inspection guide

22

Handling electrostatic

23

Grounding requirements

24

Laser compliance statement

24

General descriptions

29

Read this first

30

Related service information

31

Service web site

31

Product recovery program

31

Passwords

33

Power-on password:

34

Hard-disk password:

34

Supervisor password:

34

Power management

36

Hibernation mode

37

Checkout guide

39

Testing the computer

39

PC-Doctor

41

Power system checkout

41

Checking the ac adapter

42

Checking operational charging

42

Checking the battery pack

43

Checking the backup battery

43

Black (-)

44

ThinkPad A20m/p, A21m/p and

45

Product overview

47

Specifications

47

Status indicators

50

FRU tests

52

Fn key combinations

54

Symptom-to-FRU index

55

Numeric error codes

55

Error messages

58

Beep symptoms

59

No beep symptoms

59

LCD-related symptoms

60

Intermittent problems

61

Undetermined problems

61

90 degrees more

62

(Cross-section)

62

180 degrees more

62

Retaining serial numbers

63

FRU replacement notices

64

1010 Battery pack

66

1020 DIMM

67

1030 Mini PCI adapter

69

For A20m/p, A21m/p series

70

For A22m/p series

71

1040 Backup battery

72

Step Screw (quantity)

73

1060 Ultrabay 2000 device

75

1070 Keyboard

77

1080 Keyboard CRU insulator

80

Step Screw (quantity) Torque

81

(4 kgfcm)

81

1120 Sub card

86

1130 PC Card slot assembly

88

1140 Fan assembly

89

1150 Diskette drive

91

1160 Upper shield

93

1170 TV card

94

1180 CPU socket and CPU

95

1190 System board and RJ45/11

97

For A20m/p and A21m/p series

98

Thermal rubbers location

99

2010 LCD assembly

100

2020 Front bezel

102

14.1-in. and 15.0-in. panels

103

(LG)” on page 138

104

2030 Inverter card

105

2040 LCD panel

107

(continued)

108

Removing and replacing a FRU

110

3010 ThinkPad Dock PCI cover

111

3020 ThinkPad Dock top cover

113

(Bottom view)

114

Locations

118

Front view

118

Rear view

119

Bottom view

120

Parts list

121

A series model matrix

121

*1: Memory 128 MB

122

AC adapter

142

LCD FRUs

142

14.1-in. XGA TFT

143

15.0-in. XGA TFT (LG)

144

15.0-in. XGA TFT (SAMSUNG)

144

15.0-in. SXGA+ TFT

145

15.0-in. UXGA TFT

145

Keyboard

146

Recovery CDs

147

For Windows 98 (A22p)

148

For Windows 2000 (A22m)

149

For Windows 2000 (A22p)

149

Miscellaneous parts

151

Optional FRUs

153

Common parts list

154

Power cords (docking station)

155

Trademarks

156

Part Number: 23P0896

158

(1P) P/N: 23P0896

158

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