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Service Reference Manual
PROPRIETARY NOTICE AND LIABILITY DISCLAIMER
The information disclosed in this document, including all designs and related
materials, is the valuable property of NEC Corporation (NEC) and/or its licensors.
NEC and/or its licensors, as appropriate, reserve all patent, copyright and other
proprietary rights to this document, including all design, manufacturing,
reproduction, use, and sales rights thereto, except to the extent said rights are
expressly granted to others.
The NEC product(s) discussed in this document are warranted in accordance with
the terms of the Warranty Statement accompanying each product. However, actual
performance of each such product is dependent upon factors such as system
configuration, customer data, and operator control. Since implementation by
customers of each product may vary, the suitability of specific product
configurations and applications must be determined by the customer and is not
warranted by NEC.
To allow for design and specification improvements, the information in this
document is subject to change at any time, without notice. Reproduction of this
document or portions thereof without prior written approval of NEC is prohibited.
MultiSync and PowerMate are registered trademarks of NEC Technologies, Inc.
FastFacts is a U.S. trademark of NEC Technologies, Inc.
All other product, brand, or trade names used in this publication are the trademarks or
registered trademarks of their respective trademark owners.
Copyright 1995
NEC Technologies, Inc.
1414 Massachusetts Avenue
Boxborough, MA 01719
All Rights Reserved
First Printing — August 1995
7-1 Shiba 5-Chome, Minato-Ku
Copyright 1995
NEC Corporation
Tokyo 108-01, Japan
All Rights Reserved
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Table of Contents
Related Manuals for NEC POWERMATE P - VERSION 1995
Summary of Contents for NEC POWERMATE P - VERSION 1995
- Page 1 PROPRIETARY NOTICE AND LIABILITY DISCLAIMER The information disclosed in this document, including all designs and related materials, is the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licensors, as appropriate, reserve all patent, copyright and other...
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Page 2: Table Of Contents
Using Online Documentation ........Where to Go from Here ..........3 24-Hour Information Services NEC's FastFacts Service .......... NEC Bulletin Board Service ........America Online Service ..........CompuServe Online Service ........AT & T Interchange ..........E-Mail/Fax Technical Support Service ..... - Page 3 Replacing the CMOS Battery ........Online Diagnostics ........... 4-11 Getting Help............. 4-11 Getting Help from Your Company ....... 4-12 Getting Help from Your NEC Dealer ....4-12 Getting Help from NEC's Technical Support Center ............. 4-12 NEC Warranty/Non-Warranty Repair Service ..4-13 A Setting Up a Healthy Work Environment Making Your Computer Work for You .....
- Page 4 Contents v...
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Page 5: Using This Guide
Using This Guide The PowerMate P Series User's Guide provides a quick reference to information about your computer. The guide contains the following information: Chapter 1, Taking a Look at Your System, provides a look at system components. See this chapter to familiarize yourself with your system. -
Page 6: Text Conventions
Appendix A, Setting Up a Healthy Work Environment, contains guidelines to help you use your computer productively and safely. This appendix also instructs you on how to set up and use your computer to reduce your risk of developing nerve, muscle, or tendon disorders. -
Page 7: Related Documents
® documentation ships with your PowerMate P Series system. NEC PowerMate P Series Quick Setup/ Quick-Reference Roadmap Quick Setup contains information for quickly getting your system up and running. Read this information to set up the system for the first time. - Page 8 Windows 95 User’s Guide This is a quick reference guide that comes with Windows 95 systems. Your system comes with the following online documentation on the hard disk: PowerMate P Series System Documentation This online documentation is your comprehensive source of information about your system.
- Page 9 This guide also includes hardware and interface information for programmers, engineers, and others who need to know how the system is designed. To purchase the service and reference manual, call NEC at 1-800-632-4525 and select spare part sales at the prompt.
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Page 10: Taking A Look At Your Computer
The following information provides a brief look at features on the front and rear of your system. For a comprehensive source of information about your computer, see the online NEC PowerMate P Series System ® Documentation in the Windows NEC Information group. -
Page 11: On The Front
ON THE FRONT The following figure show the features on the front of the systems. A brief description of the features follows the figure. CD-ROM Reader System Controls and Lamps Diskette Drive A IR Window Front features CD-ROM Reader A quad-speed CD-ROM reader is a standard feature in multimedia models. - Page 12 The CD-ROM reader operates at different speeds depending on whether the CD you are using contains data or music. This allows you to get your data faster and to see smoother animation and video. The CD-ROM reader has the following features (see the following figure): Headphone jack Allows the connection of an optional set of headphones...
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Page 13: Diskette Drive A
NOTE The CD-ROM reader in your system might look different from the one shown here. CD Tray Emergency CD Busy Eject Hole Lamp Volume Control Knob Headphone Eject/Retract Jack Button CD-ROM reader features Diskette Drive A Diskette drive A loads and starts programs from a diskette. Diskette drive A is your primary “bootable”... -
Page 14: Ir Window
Diskette release button Press this button to release a diskette from the diskette drive. Diskette Release Button Diskette Drive Busy Lamp Diskette drive A features IR Window The IR (infrared) window is the system’s IR port. The IR port supports two-way wireless communications. The interface uses infrared as the transmission medium instead of a traditional cable. -
Page 15: System Controls And Lamps
System Controls and Lamps System controls let you select specific system operations. Lamps let you know the status of system operation. Your computer has the following controls and lamps: Power Lamp Disk Lamp Power Button Reset Button Suspend Button System controls and lamps Power lamp The power lamp indicates whether system power is on or off. - Page 16 CAUTION Do not turn off the system, unless absolutely necessary, while the disk lamp is lit. To do so can damage your hard disk or data. Power button Press this button to turn on system power. Press it again to turn off the power. Reset button The reset button lets you manually restart your system when it does not respond to keyboard commands.
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Page 17: On The Back
Your system has the following external connectors: VGA monitor connector Attach the signal cable from your monitor to this ® connector. Supports an NEC MultiSync monitor or other video graphics array (VGA)-compatible monitor with 15-pin connector. 1-8 Taking a Look at Your Computer... - Page 18 Audio connectors These connectors come integrated on multimedia models. The connectors include a microphone in, line in, and line out jack along with a musical instrument digital interface (MIDI)/joystick connector. MIDI/Joystick Connector Line Out Jack Line In Jack Microphone In Jack Audio connectors The microphone in jack lets you connect a...
- Page 19 The MIDI/Joystick connector allows you to connect a joystick or MIDI kit to your system. The joystick connector on your system is identical to that on a standard PC game control adapter or game I/O connector. You can connect any analog joystick with a 15-pin D-sub connector.
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Page 20: Power Supply Features
Power Supply Features Your system has the following power supply features: Power supply fan Keep this area clear for proper ventilation. The power supply fan cools system components and prevents them from overheating. Voltage selector switch Sets the voltage for your system to 115 volts or 230 volts. -
Page 21: Microphone
The speaker set features a power button, power lamp, bass control, treble control and volume knob. Treble Control Base Control Volume Control Power Button Power Lamp Speaker features Adjust the speaker volume by using the volume control on the front of the right speaker or by using the preinstalled sound system software. -
Page 22: Getting Started
Getting Started This chapter provides the information you need to start using your system. Information includes: Using a Mouse If you are already familiar with using a mouse, skip this section. Using Online Documentation Read this section to use the comprehensive online system documentation about your system. - Page 23 Double click Some actions require a double click to execute them. To “double click” an object, point to the object and quickly press and release the left mouse button twice. Press Pressing a mouse button holds an action until you release a mouse button.
- Page 24 You can use clicking and dragging to highlight a word. Click and hold down the left mouse button at the beginning of the word and move the pointer across the letters you want to highlight. NOTE If your mouse pointer disappears, move your mouse in wide circles to bring it back into the screen.
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Page 25: Using Online Documentation
No more looking for printed documents. Information about your system is available right from Windows. To access the system documentation, locate the NEC Information group in Windows. Click the NEC PowerMate P Series Documentation icon. A welcome screen appears... - Page 26 Hardware Reference Guide Option Installation Guide Support Guide. NOTE Run the online NEC PowerMate P Series System Documentation at the shipping default video resolution — 800 by 600 with 256 colors. Other online documents include: Ergonomics MS-DOS Quick-Start Guide (comes with Windows for...
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Page 27: Where To Go From Here
Read Appendix A, “Setting Up a Healthy Work Environment.” Take the System Tour in your online NEC PowerMate P Series System Documentation. See the online User’s Guide in your online NEC PowerMate P Series System Documentation. - Page 28 Online AudioStation User’s Guide in the AudioStation group in Windows Using the suspend button “Saving Power” and Managing Power” in the online User’s Guide ( NEC PowerMate P Series System Documentation ) Adding options “Adding Internal Options” or “Adding External...
- Page 29 Quick Reference to Information About Your Computer WHAT YOU WANT TO FIND WHERE TO FIND IT Changing video drivers “Changing Video Drivers” in the online User’s Guide ( NEC PowerMate P Series System Documentation) Using Desktop Management “Desktop Management Interface” in the online Interface...
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Page 30: 24-Hour Information Services
24-Hour Information Services NEC has made it easy for you to get information and help when you need it. We offer 24-hour information services via: NEC's FastFacts™ Service NEC's Bulletin Board Service ® America Online Service ® CompuServe Online Service AT &... -
Page 31: Nec's Fastfacts Service
NEC'S FASTFACTS SERVICE NEC's FastFacts service is a self-help, automated electronic information service for obtaining up-to-date product application notes, installation procedures, troubleshooting tips, data sheets, technical information bulletins, illustrated parts lists, part numbers, and other information about your system. Using a fax machine, you can obtain information from FastFacts 24 hours a day, 7 days a week. - Page 32 Order information from FastFacts as follows. If you would like instructions for using FastFacts, request document number 63233469 when prompted. Be sure that your fax machine or fax/modem is on. Have the document number ready for the document you want. At your touch-tone telephone, enter 800-366-0476 (U.S.
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Page 33: Nec Bulletin Board Service
NEC BULLETIN BOARD SERVICE If you have access to a modem, the NEC Bulletin Board Service (BBS) can be used to provide you with the latest information on hardware and software. The BBS allows you to download files (video drivers, printer drivers, BIOS updates, etc.) for system enhancements and upgrades. - Page 34 From the Phone menu, click on Dial, enter the BBS phone number (508-635-4706), and click OK. Your business phone system and/or location might require a 9 1 or 1 prefix. NOTE The first time that you use the BBS, you will be requested to provide information for a new user.
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Page 35: America Online Service
AMERICA ONLINE SERVICE If you subscribe to America Online, you can use the service to obtain information about NEC and its products. You can use America Online to E-mail technical questions to NEC's Technical Support staff, post technical questions and... -
Page 36: Compuserve Online Service
NEC and its products. You can use CompuServe to E-mail technical questions to NEC's Technical Support staff, post technical questions and messages on the Bulletin Board, and access NEC's BBS to download files. Use the following steps to access CompuServe and NEC's online information services. -
Page 37: At & T Interchange
AT & T INTERCHANGE If you subscribe to the AT&T Interchange online service, you can use the service to obtain information about NEC and its products. You can use the AT&T Interchange to obtain NEC corporate and product information, and participate in online discussions pertaining to NEC products. -
Page 38: E-Mail/Fax Technical Support Service
E-mail over the Internet network if you have a modem. The Internet address is: tech-support@nectech.com You can also fax technical questions to the NEC Technical Support Center if you have access to a fax machine or fax/modem. The fax number is:... -
Page 39: Internet
INTERNET If you have a modem, you can access NEC's Home Page on the Internet World Wide Web. You can do this through a commercial online service or through your Internet account. NEC's Home Page contains general information about NEC products. -
Page 40: If You Have A Problem
If You Have a Problem Your system has a built-in checking program that automatically tests its components when you turn the system unit power on. If there is a problem, the system displays an error message. If this happens, follow any instructions on the screen. -
Page 41: What To Do If You Have A Problem
WHAT TO DO IF YOU HAVE A PROBLEM If you have minor problems, go through the following problem checklist for possible solutions. Is the power switch on for the computer and any connected peripherals (monitor, printer)? Check that all power switches are on. Is the computer and its peripherals connected to a working AC power outlet or surge protector? Check the outlet or surge protector by plugging a lamp... -
Page 42: Solutions To Common Problems
System sounds continuous beeps Turn the system off, wait at least five seconds, and turn the system on. If the beeps continue, call your NEC dealer or the NEC Technical Support Center. System does not maintain date, time, system... - Page 43 Run the Setup Utility and check the Boot parameter settings to verify that the initial boot parameter is set for hard drive C and not for a diskette drive. System performance appears sluggish Check that your system is set for optimal operation. See your operating system documentation.
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Page 44: Diskette Drive Problems
Diskette Drive Problems Check the following problems to see the possible cause and solution. Diskette won't load Check that the diskette is being loaded correctly. Check that the system and monitor power lamps are on and the power-on screen appears. Check that the diskette is formatted. -
Page 45: Monitor Problems
Monitor Problems Check the following problems to see the possible cause and solution. Monitor screen is dark Check that the monitor power cable is connected to the monitor and a power outlet, the monitor signal cable is connected to the system, and the brightness and contrast controls are adjusted. -
Page 46: Keyboard/Mouse Problems
Keyboard/Mouse Problems Check the following problem to see the possible cause and solution. Image appears on screen but nothing happens when you use the mouse or keyboard Tighten the keyboard or mouse cable connection. If this does not help, turn off the system, wait five or more seconds, and turn on the system. -
Page 47: Speaker Problems
Speaker Problems Check the following problems to see the possible cause and solution. No sound from the speakers Check that the speaker power is on. Speaker volume is too low Adjust the volume control on the speaker. If the volume is still too low, adjust the volume through the system software. -
Page 48: Replacing The Cmos Battery
REPLACING THE CMOS BATTERY A 3-volt lithium battery in your computer maintains system configuration information. In the event that this CMOS battery fails to maintain system configuration information, replace the battery. CAUTION Removing the battery from the system board causes the computer to lose system configuration information. - Page 49 Locate the battery socket on the system board. Locating the battery socket on the system board Carefully lift the battery from the socket tabs and out of the socket. Removing the battery 4-10 If You Have a Problem...
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Page 50: Online Diagnostics
Run Setup to reconfigure your system parameters. ONLINE DIAGNOSTICS If you are unable to resolve your system's problem using the Problem/Solutions topics in this chapter, NEC suggests that you run the QA Plus online diagnostics software. QA Plus is a software diagnostic program factory installed on your system's hard disk. -
Page 51: Getting Help From Your Company
Getting Help From Your NEC Dealer The NEC dealer from whom you purchased your system is a good source of help and should be contacted. The dealer is backed by complete support resources and programs within NEC. -
Page 52: Nec Warranty/Non-Warranty Repair Service
NEC Technical Support Center. If your system requires repair service from NEC, call the... -
Page 53: A Setting Up A Healthy Work Environment
Setting Up a Healthy Work Environment WARNING Prolonged or improper use of a computer workstation may pose a risk of serious injury. To reduce your risk of injury, set up and use your computer in the manner described in this appendix. Contact a doctor if you experience pain, tenderness, swelling, burning, cramping, stiffness, throbbing, weak- ness, soreness, tingling and/or numbness in the hands,... - Page 54 Although some studies have shown an association between increasing hours of keyboard use and the development of some musculoskeletal disorders, it is still unclear whether working at a computer causes such disorders. Some doctors believe that using the keyboard and mouse may aggravate existing musculoskeletal disorders.
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Page 55: Arrange Your Equipment
ARRANGE YOUR EQUIPMENT Arrange your equipment so that you can work in a natural and relaxed position. Place items that you use frequently within easy reach. Adjust your workstation setup to the proper height (as described in this appendix) by lowering the table or stand that holds your computer equipment or raising the seat height of your chair. -
Page 56: Adjust Your Chair
ADJUST YOUR CHAIR Your chair should be adjustable and stable. Vary your posture throughout the day. Check the following: Keep your body in a relaxed yet upright position. The backrest of your chair should support the inward curve of your back. Use the entire seat and backrest to support your body. - Page 57 Your seat depth should allow your lower back to com- fortably contact the backrest. Make sure that the backs of your lower legs do not press against the front of the chair. Extend your lower legs slightly so that the angle between your thighs and lower legs is 90°...
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Page 58: Adjust Your Input Devices
ADJUST YOUR INPUT DEVICES Follow these points in positioning your keyboard and mouse. Position your keyboard directly in front of you. Avoid reaching when using your keyboard or mouse. If you use a mouse, position it at the same height as the keyboard and next to the keyboard. - Page 59 Type with your hands and wrists floating above the key- board. Use a wrist pad only to rest your wrists between typing. Avoid resting your wrists on sharp edges. Type with your wrists straight. Instead of twisting your wrists sideways to press hard-to-reach keys, move your whole arm.
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Page 60: Adjust Your Monitor
ADJUST YOUR MONITOR Correct placement and adjustment of the monitor can reduce eye, shoulder, and neck fatigue. Check the following when you position the monitor. Adjust the monitor height so that the top of the screen is at or slightly below eye level. Your eyes should look slightly downward when viewing the middle of the screen. - Page 61 Rest your eyes periodically by focusing on an object at least 20 feet away. Blink often. Position the monitor at a 90° angle to windows and other light sources to minimize glare and reflections. Adjust the monitor tilt so that ceiling lights do not reflect on your screen.
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Page 62: Vary Your Workday
VARY YOUR WORKDAY If you use your computer for prolonged periods, follow these instructions. Vary your tasks throughout the day. Take frequent short breaks that involve walking, stand- ing, and stretching. During these breaks, stretch muscles and joints that were in one position for an extended period of time. -
Page 63: Pre-Existing Conditions And Psychosocial Factors
Use a timer or reminder software to remind you to take breaks. To enhance blood circulation, alter your sitting posture periodically and keep your hands and wrists warm. NOTE For more information on workstation setup, see the American National Standard for Human Factors Engineering of Visual Display Terminal Workstations. -
Page 64: Checking Your Comfort: How Do You Measure Up
CHECKING YOUR COMFORT: HOW DO YOU MEASURE UP? Use this checklist to see if you are setting up your work environment to fit your physical needs. Checking Your Chair Do you sit in an upright position with the backrest sup- porting your lower back? When sitting, are your feet flat on the floor? Do you periodically adjust your chair and your posture? - Page 65 Checking You Is your work area set up to promote a natural and relax- ing working position with frequently used work items within close reach? Do you take frequent short breaks? Do you stretch and walk during your breaks? Do you vary your tasks during the day? Do you have regular eye checkups? Do you contact your doctor if you feel any sustained discomfort?
- Page 66 1-3 from NEC's technical support features, 1-2, 1-3 center, 4-12 volume control, 1-3 from your company, 4-12 CMOS from your NEC dealer, 4-12 battery, 4-9 CompuServe, 3-7 Information services, 3-1 Connectors America Online, 3-6 keyboard, 1-10 AT&T Interchange, 3-8...
- Page 67 Reset button, 1-7 Mouse connecting, 1-10 port, 1-10 Services, 4-11 Speakers features, 1-11 NEC bulletin board service, 3-4 volume, 1-11 NEC technical support center, 4-12, Suspend button, 1-7 4-13 Suspend mode, 1-6, 1-7 NEC technical support services, 3- NEC's FastFacts, 3-2...
- Page 68 Index-3...
- Page 69 (For United States Use Only) FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
- Page 70 A lithium battery in some computers maintains system configuration information. In the event that the battery fails to maintain system configuration information, NEC recommends that you replace the battery. See “Replacing the CMOS Bat- tery” in Chapter 4 of this guide for battery replacement information.