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User Guide
Lenovo 3000 J Series
Types 7390, 7391, 7392, 7396, 7397, 7398
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Lenovo 3000 J Series
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Note Before using this information and the product it supports, be sure to read the “Important safety information” on page v and Appendix B, “Notices,” on page 67. Fourth Edition (February 2007) © Copyright Lenovo 2005, 2007. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services are provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government is subject to t
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Contents Accessing system board components . . . . . .22 Important safety information . . . . . .v Identifying parts on the system board . . . . .24 Conditions that require immediate action . . . . .v Installing memory . . . . . . . . . . . .26 General safety guidelines . . . . . . . . . .vi Installing PCI adapters . . . . . . . . . .27 Service and upgrades . . . . . . . . . .vi Installing security features . . . . . . . . .28 Static electricity prevention . . . . . . . . vii
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Information resources . . . . . . . . . . .55 Basic AT commands . . . . . . . . . . .59 Online Books folder . . . . . . . . . .55 Extended AT commands . . . . . . . . . .61 Lenovo Care . . . . . . . . . . . . .55 MNP/V.42/V.42bis/V.44 commands . . . . . .62 Access Help . . . . . . . . . . . . .56 Fax Class 1 commands . . . . . . . . . .63 Safety and warranty . . . . . . . . . .56 Fax Class 2 commands . . . . . . . . . .63 www.lenovo.com . . . . . . . . . . .56 Voice commands .
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Important safety information Note Please read important safety information first. This information can help you safely use your desktop or notebook personal computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement ™ or the Lenovo Statement of Limited Warranty. For more information, refer to the safety and warranty information that is provided with your computer. Customer safety is im
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In the unlikely event that you notice any of the following conditions, or if you have any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you can speak to the Customer Support Center for further guidance. See Chapter 8, “Getting information, help, and service,” on page 55 for more information. v Power cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken
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Danger Hazardous moving parts. Keep fingers and other body parts away. Attention Before replacing any CRUs, turn off the computer and wait three to five minutes to let the computer cool before opening the cover. Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can cause damage to the part. When you unpack an option or CRU, do not open the static-pro
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The power cords shall be safety approved. For Germany, it shall be H05VV-F, 3G, 2 0.75 mm , or better. For other countries, the suitable types shall be used accordingly. Never wrap a power cord around a power adapter or other object. Doing so can stress the cord in ways that can cause the cord to fray, crack, or crimp. This can present a safety hazard. Always route power cords so that they will not be walked on, tripped over, or pinched by objects. Protect power cord and power adapters
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Voltage-selection switch Some computers are equipped with a voltage-selection switch located near the power-cord connection point on the computer. If your computer has a voltage-selection switch, ensure that you set the switch to match the voltage available at your electrical outlet. Setting the voltage-selection switch incorrectly can cause permanent damage to the computer. If your computer does not have a voltage-selection switch, your computer is designed to operate only at the volta
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Be sure that the power outlet you are using is properly wired, easily accessible, and located close to the equipment. Do not fully extend power cords in a way that will stress the cords. Be sure that the power outlet provides the correct voltage and current for the product you are installing. Carefully connect and disconnect the equipment from the electrical outlet. External devices Do not connect or disconnect any external device cables other than USB and 1394 cables while the compute
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become blocked by placing the product on a bed, sofa, carpet, or other flexible surface. Never block, cover, or disable these features. You should inspect your desktop computer for dust accumulation at least once every three months. Before inspecting your computer, turn off the power and unplug the computer’s power cord from the electrical outlet; then remove any dust from vents and perforations in the bezel. If you notice external dust accumulation, you should also examine and remove dus
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Electrical current safety information Danger Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: v To prevent possible shock hazard, do not use your computer during a lightning storm. v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. v Connect all power cords to a properly wired and grounded electrical outlet. v Connect to pro
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Perchlorate material: Special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate. Modem safety information Caution To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord. To reduce the risk of fire, electrical shock, or injury when using telephone equipment, always follow basic safety precautions, such as: v Never install telephone wiring during a lightning storm. v Never install telephone jacks in wet locations unless the jack
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Power supply statement Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. Data safety Do not delete unknown files or change the name of files or directories that were not created by you; otherwise, y
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Introduction This User Guide contains the following information: v Chapter 1, “Arranging your workspace,” on page 1 provides information about setting up your computer for comfort and the impact of light sources, air circulation, and electrical outlets. v Chapter 2, “Setting up your computer,” on page 3 provides information about setting up your computer and software and operating system installation. v Chapter 3, “Installing options,” on page 11 provides information on the featur
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xvi User Guide
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Chapter 1. Arranging your workspace To get the most from your computer, arrange both the equipment you use and your work area to suit your needs and the kind of work you do. Your comfort is of foremost importance, but light sources, air circulation, and the location of electrical outlets also can affect the way you arrange your workspace. Comfort Although no single working position is ideal for everyone, here are a few guidelines to help you find a position that suits you best. Sitting
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Where it is impossible to avoid reflections or to adjust the lighting, an antiglare filter placed over the screen might be helpful. However, these filters might affect the clarity of the image on the screen; try them only after you have exhausted other methods of reducing glare. Dust buildup compounds problems associated with glare. Remember to clean your monitor screen periodically using a soft cloth moistened with a nonabrasive liquid glass cleaner. Air circulation Your computer and
