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Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 122

Parts list, A21e, A22e and i 1800 model matrix, the seven types of model

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Parts list Parts list A21e, A22e and i 1800 model matrix The A21e, A22e and i 1800 series includes several models. The following table summarizes the characteristics of each model, to help you determine which FRU in the part list meets your need. The table contains an entry for each of the three types of model A21e, labeled A, B and C, the seven types of model A22e, labeled D through J, the three types of model i 1800, labeled K, L and M. Celxxx: Intel® Celeron® processor xxx MHz, L2 128-KB cache CMGxxx: Intel® mobile Pentium® III processor xxx MHz featuring Intel® SpeedStep™ technology Type Model HDD Bay device A21e (Memory: 64 MB) MT2655- 20 GB CD- 21x, 71x ROM MT2655- (24x) 72x A MT2655- 23x, 73x MT2655M2A MT265531x, 81x B MT265532x, 82x MT265533x, 83x MT265541x, 91x MT265542x, 92x MT2655C 43x, 93x, B2G, B4G MT2655B1G, B3G, M4A Mini CPU PCI adapter LCD Modem Cel 650 12.1-in. SVGA Ethernet Combo (Intel) Modem Cel 700 13.3-in. XGA Ethernet Combo (Intel) Modem Ethernet 14.1-in. XGA Combo (Intel) (continued) 118 ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)

Section	Page
Contents	3
Introduction	5
Important service information	5
Strategy for replacing FRUs	5
Strategy for replacing a hard-disk drive	6
How to use error messages	6
Diskette compatibility matrix	6
Safety notices: multilingual translations	7
Safety information	17
General safety	17
Electrical safety	18
Safety inspection guide	19
Handling electrostaticdischarge-sensitive devices	20
Grounding requirements	21
Laser compliance statement	21
General descriptions	25
Read this first	25
What to do first:	25
Related service information	27
Service Web site	27
Product recovery program	27
Restoring the pre-installed software:	27
Creating the service partition:	27
To create a recovery repair diskette:	28
To use the recovery repair diskette:	29
Passwords	29
Power-on password:	29
Hard-disk password:	29
Supervisor password:	30
How to remove the power-on password	30
How to remove the hard-disk password	31
Power management	32
Screen blank mode	32
Standby mode	32
Hibernation mode	34
Checkout guide	35
Testing the computer	35
Detecting system information withPC-Doctor	37
Hardware Info	37
Utility	37
Power system checkout	38
Checking the ac adapter	38
Checking operational charging	39
Checking the battery pack	39
Checking the backup battery	40
ThinkPad A21e, A22e, i 1800	41
Product overview	43
Specifications	43
Status indicators	45
FRU Tests	47
Fn key combinations	48
Symptom-to-FRU index	50
Numeric error codes	50
Error messages	53
Beep symptoms	54
No beep symptoms	54
LCD-related symptoms	55
Intermittent problems	56
Undetermined problems	56
FRU replacement notices	57
Screw notices	57
Retaining serial numbers	58
Restoring the serial number of the systemunit	58
Retaining the UUID	58
Removing and replacing a FRU	60
1010 Battery pack	61
1020 Backup battery	62
1030 Hard-disk drive	64
1040 DIMM	66
1050 Mini PCI adapter	67
1060 Ultrabay 2000 device	70
1070 Keyboard	71
1080 Keyboard CRU insulator	76
1090 Fan assembly	77
For models excepting MT2655-65x, 66x, 67x,B5x, B6x, B7x	77
For MT2655-65x, 66x, 67x, B5x, B6x, B7x	79
1100 CPU	81
1110 PC Card slot assembly	83
1120 Hinge cover	85
1130 Keyboard bezel	87
1140 Speaker	90
For A21e series	90
For A22e and i 1800 series	91
1150 Hard-disk bay	93
1160 LED connector card	95
1170 Ultrabay 2000 slot	97
1180 System board	100
2010 LCD assembly	102
2020 Front bezel	108
12.1-in. LCD (only for A21e series)	108
13.3-in. and 14.1-in. LCD	109
2030 Inverter card	110
12.1-in. LCD (only for A21e series)	110
13.3-in. and 14.1-in. LCD	111
2040 LCD panel	112
12.1-in. LCD (only for A21e series)	112
13.3-in. and 14.1-in. LCD	114
2050 Sub card	117
Locations	119
Front view	119
Rear view	120
Bottom view	121
Parts list	122
A21e, A22e and i 1800 model matrix	122
Overall	125
LCD FRUs	129
12.1-in. SVGA TFT (only for A21e)	129
13.3-in. XGA TFT	130
14.1-in. XGA TFT	131
Keyboard	132
Recovery CDs for i 1800 series	133
For Windows Me models	133
Recovery CDs for A22e series	133
For Windows 98 models	133
For Windows 2000 models	134
For Windows 2000/Windows NT models	134
Miscellaneous parts	135
Optional FRUs	139
Common parts list	140
Tools	140
Power cords (system)	140
Notices	141

Match case Limit results 1 per page

Parts list

A21e, A22e and i 1800 model matrix

The A21e, A22e and i 1800 series includes several

models. The following table summarizes the characteristics

of each model, to help you determine which FRU in the

part list meets your need.

The table contains an entry for each of the three types of

model A21e, labeled

and

, the seven types of model

A22e, labeled

through

, the three types of model i

1800, labeled

and

Celxxx:

Intel

Celeron

processor xxx MHz, L2 128-KB cache

CMGxxx:

Intel

mobile Pentium

III processor xxx MHz featuring

Intel

SpeedStep

™

technology

Type

Model

HDD

Bay

device

Mini

PCI

adapter

CPU

LCD

A21e (Memory: 64 MB)

MT2655-

21x, 71x

20 GB

CD-

ROM

(24x)

Modem

Cel 650

12.1-in.

SVGA

MT2655-

72x

Ethernet

MT2655-

23x, 73x

Combo

(Intel)

MT2655-

M2A

MT2655-

31x, 81x

Modem

Cel 700

13.3-in.

XGA

MT2655-

32x, 82x

Ethernet

MT2655-

33x, 83x

Combo

(Intel)

MT2655-

41x, 91x

Modem

14.1-in.

XGA

MT2655-

42x, 92x

Ethernet

MT2655-

43x, 93x,

B2G, B4G

Combo

(Intel)

MT2655-

B1G,

B3G,

M4A

(continued)

Parts list

118

ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)