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IBM 2681 Hardware Maintenance Manual - Page 51

Communication

UPC - 087944884422

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Product overview Feature Description PC Card v Type-II or Type-III Communication v V.90 modem daughter card (MDC) daughter card v Bluetooth Modem daughter card (BMDC) (CDC) AC adapter v 72-watt type Ultrabay Plus device (standard) v CD-ROM drive v DVD drive v CD-RW/DVD combo drive Preinstalled operating system 2681, 2682, 2683, 2722, 2723, 2724 Windows 2000 Professional Windows XP Home Edition Windows XP Professional 2684, 2685 Windows XP Home Edition Windows XP Professional ThinkPad R40 47

Section	Page
Contents	3
About this manual	5
Introduction	7
Important service information	7
Strategy for replacing FRUs	7
Strategy for replacing a hard-disk drive	8
How to use error messages	8
Diskette compatibility matrix	8
Safety notices: multilingual translations	9
Safety information	21
General safety	21
Electrical safety	22
Safety inspection guide	23
Handling devices that are sensitive to electrostatic discharge	24
Grounding requirements	25
Laser compliance statement	26
General descriptions	29
Read this first	29
What to do first	29
Related service information	32
Service web site	32
Restoring the preloaded system	32
Product Recovery program	32
Using the recovery CD	33
Passwords	34
Power-on password:	35
Hard-disk password:	35
Supervisor password:	35
How to remove the power-on password	35
How to remove the hard-disk password	36
Power management	37
Screen blank mode	37
Standby mode	37
Hibernation mode	38
Checkout guide	40
Testing the computer	40
Detecting system information with PC-Doctor	42
Hardware Info	42
Utility	42
Power system checkout	43
Checking the ac adapter	43
Checking operational charging	44
Checking the battery pack	44
Checking the backup battery	46
ThinkPad R40	47
Product overview	49
Specifications	49
Status indicators	52
FRU tests	54
Fn key combinations	56
Symptom-to-FRU index	57
Numeric error codes	57
Error messages	60
Beep symptoms	61
No-beep symptoms	61
LCD-related symptoms	62
Intermittent problems	63
Undetermined problems	63
FRU replacement notices	64
Screw notices	64
Retaining serial numbers	65
Restoring the serial number of the system unit	65
Retaining the UUID	65
Removing and replacing a FRU	67
1010 Battery pack	68
1020 Ultrabay Plus device	69
1030 Hard-disk drive	70
1040 DIMM	72
1050 Mini PCI adapter	74
1060 Keyboard	77
1070 Backup battery	85
1080 Optical storage in the fixed bay	86
1090 PC Card slot assembly	89
1100 Hinge cover	91
1110 Communication daughter card (CDC)	92
Modem daughter card (MDC)	93
IBM Integrated Bluetooth with 56K Modem (BMDC)	96
1120 Fan assembly	98
1130 CPU	99
1140 Bluetooth antenna assembly	101
1150 LCD assembly	102
1160 Keyboard bezel	107
1170 Speaker assembly and microphone cable	112
1180 System board	113
1190 Hard-disk drive slot	120
2000 Ultrabay Plus guide rail	121
2010 I/O Bracket	123
2020 LCD front bezel	124
2030 Inverter card	125
2040 LCD panel and LCD cable assembly	126
2050 Antenna assembly, hinges, and LCD cover	128
Locations	131
Front view for 2681, 2682, 2683, 2722, 2723, 2724	131
Rear view for 2681, 2682, 2683, 2722, 2723, 2724	133
Bottom view for 2681, 2682, 2683, 2722, 2723, 2724	134
Front view for 2684, 2685	135
Rear view for 2684, 2685	136
Bottom view for 2684, 2685	137
Parts list	138
R40 series model matrix	138
Overall	148
LCD FRUs	165
13/14 in. TFT	166
15 in. TFT	167
Keyboard	169
Recovery CDs	170
For Windows 2000 Professional	170
For Windows XP Home Edition	171
For Windows XP professional	172
Miscellaneous parts	173
AC adapters	176
Telephone cable	177
Optional FRUs	178
Ultrabay Plus devices	178
Other optional FRUs	178
Common parts list	180
Tools	180
Power cords (system)	180
Power cords (ThinkPad Mini Dock)	181
Notices	182