NEC NEC Versa 2500 Series User's Guide 25-10584-00 warranty Right Side of the Notebook

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Introduction 1-7

Memory Slot Compartment

The memory compartment is located just under the keyboard. Inside the compartment are two extra memory module sockets which can accommodate any standard JEDEC 8 MB or 16 MB DIMM modules.

Figure 1-5 Memory Slot Compartment

The Right Side of the Notebook

This section describes the features on the right side of the NEC Versa 2500 computer.

Built-in Disk Drive

The disk drive, which supports 3.5-inch 1.44 MB high density (HD) diskettes or 720 KB double-sided (DS) diskettes is on the right-front side of the notebook. Insert the diskette with the metal shutter towards the drive and the diskette label facing up. To remove the diskette, press the eject button found on the upper right of the floppy disk drive.

PC Card Slot Compartment

The compartment houses two card slots that support two Type II devices, or one Type III device. Open the compartment door to view the PC card slots. Insert Type III cards into the lower slot. Insert the card with the pin sockets facing towards the drive and the label facing up. To remove the PC card, push on the eject button to release the pin connections and slowly pull out the card.

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Contents Sold by laptopia2005 do not Resell Preface Contents System Bios Upgrade Procedure Assembly Removing/Replacing the LED Board Removing/Replacing the Heat PlateVGA Standard Modes VGA Extended Modes VGA High Refresh Modes List of Tables Viii Contents Sold by laptopia2005 do not Resell For United States Use Only Bios Customized Utility Bios Upgrade UtilityDirect memory access Error checking and correctionService register National Authorized ServiceNational Service Response Phase lock loopUniversal asynchronous Receiver/transmitterVolt Vdc Volts, direct currentIntel P54CSLM-133 Model ConfigurationConfiguration NEC Versa Feature Highlights Feature HighlightsSystem Configuration System Configuration DiagramPower Switch/LCD Cover Switch Status Panel and Power IndicatorQuick Tour of the Notebook Main ComponentsDisables the alphanumeric keys where the embed Again to disable the embedded keys and resumeDed keys are located. Press the Num Lock key Normal keyboard operationFn Key Combination Summary cont’d VersaGlideRight Side of the Notebook Memory Slot CompartmentBuilt-in Disk Drive PC Card Slot CompartmentBattery Compartment Front of the NotebookRemoving the Battery Pack Left Side of the NotebookRear of the Notebook 11 Connecting an External Keyboard and PS/2 Mouse VGA Port Bottom of the Notebook Printer PortBattery Module Handle and Lock ROM Memory Compartment CoverSystem Bios Setup Program Boot Setup MenuBoot Main Setup Menu Option is 3.5, 1.44 MB disk driveBoot Main Setup Menu cont’d Boot Setup Peripherals MenuBoot Setup Security Menu Function PasswordPassword on Boot Password on ReStandby Time-out Boot Setup Power Savings MenuPower Saving System Upgrades Memory Upgrade ProcedureBoot Setup Power Savings Menu cont’d 16 MB Memory ConfigurationsSystem Bios Upgrade Procedure Sold by laptopia2005 do not Resell General Specifications NEC Versa 2500 Series SpecificationsNEC Versa 2500 Series Specifications cont’d Sold by laptopia2005 do not Resell AC 100V to 240V, 47/63Hz, 36W Max CD-ROM Product MIX Following table lists the NEC Versa 2500 Series product mixProduct Mix VersaMain Board Specifications System Board SpecificationsFollowing table lists system board specifications Transfer Board Specifications Converter Board SpecificationsFollowing table lists Transfer board specifications Following table lists Converter board specificationsLED Indicator Board Specifications LED Indicator Board SpecificationsFollowing table lists LED indicator board specifications I/O Board Specifications Board SpecificationsFollowing table lists I/O board specifications I/O Board Specifications cont’d LCD Inverter Board Specifications Following table lists LCD inverter board specificationsLCD Inverter Board Specifications SpecificationLED Status Indicators Diskette Drive Specifications10 Diskette Drive Specifications Status LED DescriptionsHDD Unit Specifications CD-ROM SpecificationsNimh Battery Pack Specifications Following table lists the standard battery specificationsFollowing table lists battery charger specifications DC/DC Converter & Battery Charger SpecificationsBattery Charger Specifications Keyboard Specifications AC/DC Adapter SpecificationsFollowing table lists keyboard specifications Following table lists AC/DC adapter specifications18 Bios Specifications Bios SpecificationsFollowing table lists Bios specifications Following table lists Micro-Controller specifications 18 Bios Specifications cont’d19 Micro-Controller Specifications MICRO-CONTROLLER Function DescriptionPower Management Features Mode Definition Following table lists power management specifications20 Power Management Modes Mode Device Speed21 Mode Definitions Power Management Features Mode TransitionFollowing table lists power management transition modes Environmental Specifications Following table lists appropriate operating temperaturesHOT KEY Definition Following table lists hot key definitionsShock Specifications Power Source SpecificationsVibration Specifications 27 Electro-Static Discharge Specifications ELECTRO-STATIC Discharge ESD SpecificationsFollowing table lists static discharge specifications Hardware Functional Overview Functional Block Diagram System BiosSystem Processor Major Functional BlocksSystem Logic Controller Sold by laptopia2005 do not Resell Memory Subsystem Dram MemoryROM Memory SubsystemVideo Subsystem Video Chipset ControllerExternal VGA Capability Keyboard SubsystemPcmcia Controller and Sockets Hard Disk SubsystemPower Subsystem AC Power AdapterDiskette Drive Subsystem Poin ING Device SubsystemLCD Inverter Board Assembly Internal Battery PackPower Board Preventive Maintenance Cleaning the Notebook’s ExteriorProtecting the Disk Drives Cleaning the Notebook’s InteriorHandling the Computer Battery Packs Maintaining the LCD Quality Required Tools and EquipmentParts Removal and Replacement Procedures Removing/Replacing the Notebook Battery PackRemoving/Replacing the Hard Disk Drive Module Removing/Replacing the Diskette Drive ModuleDiskette Drive Module Assembly Removing/Replacing the LCD Status Bar Cover and HingesRemoving/Replacing the CPU Removing/Replacing the KeyboardRemoving/Replacing the Heat Plate Removing/Replacing the Cover-Display LCD Assembly Module Removing/Replacing the LED Board LED Board Module Assembly Removing/Replacing the System Board and I/O BoardSeparating the System Board and I/O Board System Board and I/O BoardsRemoving/Replacing the Power Board I/O Board Module AssemblyDescription Part Number Illustrated Parts BreakdownNEC Versa 2500 Series Field-Replaceable Parts NEC Versa 2500 Series Field-Replaceable Parts cont’d Not shown in IPB figureNEC Versa 2500 Series Illustrated Parts Breakdown Packaging and Documentation Packaging and Documentation Part NumbersService Information NEC Service and Information Telephone NumbersService Call Technical SupportProduct Information Ordering Information from FastFactsHelpful Starters POWER-ON Self Test Post Post Error MessagesPost Messages Message Possible Cause ActionPost Error Messages cont’d SetupValue , read hex-value Bios Informational Messages Informational MessagesRun-time Error Messages Following table lists run-time error messagesRun-time Error Messages Message Cause ActionProblem Corrective Actions Quick TroubleshootingQuick Troubleshooting Quick Troubleshooting cont’d Sold by laptopia2005 do not Resell Following table lists VGA standard modes Table A-1 VGA Standard Modes Text ModeVGA Standard Modes Table A-4 VGA Standard Modes Packed Pixel Mode Table A-2 VGA Standard Modes Graphics ModeTable A-3 VGA Standard Modes Planar Mode Table A-5 VGA Extended Modes Text Mode Table A-6 VGA Extended Modes 4-Bit Linear ModeTable A-7 VGA Extended Modes 8-Bit Linear Mode Table A-8 VGA Extended Modes 15-Bit Linear ModeTable A-12 VGA Extended Modes Packed Pixel Mode Table A-10 VGA Extended Modes 24-Bit Linear ModeTable A-11 VGA Extended Modes Planar Mode Table A-13 VGA High Refresh Modes Packed Pixel Mode Table A-14 VGA High Refresh Modes Planar ModeTable A-15 VGA High Refresh Modes Packed Pixel Mode VGA High Refresh ModesBattery Replacement Index Memory Index-3

NEC Versa 2500 Series User's Guide 25-10584-00, NEC Computer Systems Division, Packard Bell NEC, Inc specifications

NEC Computer Systems Division was a prominent entity in the realm of personal computing, renowned for its innovative products and advanced technologies. One of its most notable contributions to the market was the Packard Bell NEC, Inc., a brand that combined the strengths of two industry giants to offer cutting-edge computing solutions. Among the various products offered by this partnership, the NEC Versa 2500 Series stood out as a noteworthy achievement, embodying a blend of portability, performance, and user-centric design.

The NEC Versa 2500 Series was designed primarily for business and professional users who required a reliable and efficient mobile computing solution. Its main features included a sleek and lightweight design, making it easy for users to carry the device wherever their work took them. The laptop was equipped with a robust Intel processor, delivering commendable performance for a variety of applications, from word processing to graphics design.

One of the defining characteristics of the Versa 2500 Series was its versatility. Featuring a modular bay design, users could customize their system with a variety of add-ons such as additional drives, batteries, or even a second hard drive. This allowed professionals to tailor their device to better meet their specific needs, enhancing productivity on the go.

In terms of display, the NEC Versa 2500 Series boasted a vibrant screen that provided clear and bright visuals, essential for presentations and detailed work. The keyboard was ergonomic, ensuring comfortable typing for extended periods, a crucial aspect for business users who often found themselves working long hours. Additionally, the laptop included a range of connectivity options, such as USB ports, a floppy disk drive, and expansion slots, making it easy to link with other devices and peripherals.

The NEC Versa 2500 Series also incorporated advanced technologies that enhanced its performance and user experience. Its energy-efficient design contributed to longer battery life, allowing users to work uninterrupted even while traveling. The inclusion of NEC’s proprietary software solutions further optimized the device's performance, ensuring smooth operation and increased efficiency.

In summary, the NEC Versa 2500 Series, under the umbrella of NEC Computer Systems Division and Packard Bell NEC, Inc., offered a compelling combination of features, technologies, and characteristics that catered to the needs of mobile professionals. With its emphasis on portability, modularity, and efficiency, the Versa 2500 Series solidified its position as a preferred choice for those seeking a dependable mobile computing solution in the competitive landscape of the late 1990s and early 2000s.
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