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General| Model | ThinkPad R40 2681 |
|---|---|
| Category | Laptop |
| Chipset | Intel 855PM |
| Memory Type | DDR SDRAM |
| Maximum Memory | 2 GB |
| Hard Drive Interface | IDE |
| Display Size | 14.1 inches |
| Network Card | 10/100 Ethernet |
| Wireless | 802.11b |
| Storage | 40 GB |
| Display Resolution | 1024 x 768 |
| Operating System | Windows XP |
| Weight | 2.7 kg |
| Battery | 6-cell Li-Ion |
| Optical Drive | DVD-ROM |
| Ports | VGA, Headphone, Microphone |
Critical customer-installable fixes and support contacts.
Warning about loose parts causing electrical shorts after FRU replacement.
Danger: Standby batteries contain nickel and cadmium; handle with care.
Danger: Battery packs contain nickel; handle with care.
Danger: Lithium batteries can cause fire, explosion, or burns; handle with care.
Precautions for LCD fluid exposure: wash immediately and seek medical care.
Danger: Do not remove the plastic cover of the inverter card.
Danger: Main batteries can produce current that burns materials or causes burns.
Safety procedure for removing FRUs: power off, unplug, remove battery.
Rules to ensure general safety during maintenance and operation.
Rules for working safely with electrical equipment.
Precautions for handling ESD-sensitive computer parts.
Requirements for electrical grounding for operator safety and system function.
Important notes and guidelines before proceeding with service.
Procedures to restore pre-installed software from hard drive or recovery CD.
Explains types of passwords (POP, HDP, SVP) and their functions.
Steps to remove a forgotten power-on password.
Describes computer power management modes: screen blank, standby, hibernation.
Overview of using PC-Doctor DOS for diagnostics.
Steps to check the AC adapter if the computer fails only when it is used.
How to check if the battery charges properly during operation.
Procedures to check the battery pack's voltage and resistance.
How to measure the voltage of the backup battery.
Lists the technical specifications of the ThinkPad R40 series.
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