NEC NEC Versa 2500 Series User's Guide 25-10584-00 Power Management Features Mode Transition

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2-20 General Specifications

Table 2-20 Power Management Modes

Mode

Device

Speed

 

 

 

Suspend To Disk

Timer

Off/1/2/4/8/16 Min

 

CPU State

Off

 

Power System

Off

 

Power-On Group

Micro-Controller

 

Activity Events

Power Switch

Battery Low

CPU State

CPU Clock/2

Condition

LCD State

 

 

 

Battery Low / Low

CPU State

Off

Condition

System Power

Off

 

 

 

 

POWER MANAGEMENT FEATURES (MODE TRANSITION)

The following table lists power management transition modes.

Table 2-21 Mode Definitions

FROM/TO

FULLY-ON

DOZE

SLEEP

SUSPEND

 

 

 

 

 

Fully-On

X

1

X

2

Doze

3

X

4

5

Sleep

6

X

X

7

Suspend

8

X

X

X

 

 

 

 

 

1.Doze Mode Time-Out APM CPU-Idle

2.APM Power Management Event: System Suspend Request Notification Battery Low - Low Condition

Suspend Events Occurs

3.Fully-On Activity Events Occur

4.Sleep Mode Time-Out

5.Sleep Timer Disabled and Suspend Mode Time-Out Battery Low - Low Condition

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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 Direct memory access Bios Customized UtilityBios Upgrade Utility Error checking and correctionNational Service Response Service registerNational Authorized Service Phase lock loopVolt Universal asynchronousReceiver/transmitter Vdc Volts, direct currentModel Configuration Configuration NEC VersaIntel P54CSLM-133 Feature Highlights Feature HighlightsSystem Configuration System Configuration DiagramQuick Tour of the Notebook Power Switch/LCD Cover SwitchStatus Panel and Power Indicator Main ComponentsDed keys are located. Press the Num Lock key Disables the alphanumeric keys where the embedAgain to disable the embedded keys and resume Normal keyboard operationFn Key Combination Summary cont’d VersaGlideBuilt-in Disk Drive Right Side of the NotebookMemory Slot Compartment 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 MenuPassword on Boot Boot Setup Security MenuFunction Password Password on ReBoot Setup Power Savings Menu Power SavingStandby Time-out Boot Setup Power Savings Menu cont’d System UpgradesMemory Upgrade Procedure 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 Product MIXFollowing table lists the NEC Versa 2500 Series product mix VersaSystem Board Specifications Following table lists system board specificationsMain Board Specifications Following table lists Transfer board specifications Transfer Board SpecificationsConverter Board Specifications Following table lists Converter board specificationsLED Indicator Board Specifications Following table lists LED indicator board specificationsLED Indicator Board Specifications Board Specifications Following table lists I/O board specificationsI/O Board Specifications I/O Board Specifications cont’d LCD Inverter Board Specifications LCD Inverter Board SpecificationsFollowing table lists LCD inverter board specifications Specification10 Diskette Drive Specifications LED Status IndicatorsDiskette Drive Specifications Status LED DescriptionsNimh Battery Pack Specifications HDD Unit SpecificationsCD-ROM Specifications Following table lists the standard battery specificationsDC/DC Converter & Battery Charger Specifications Battery Charger SpecificationsFollowing table lists battery charger specifications Following table lists keyboard specifications Keyboard SpecificationsAC/DC Adapter Specifications Following table lists AC/DC adapter specificationsBios Specifications Following table lists Bios specifications18 Bios Specifications 19 Micro-Controller Specifications Following table lists Micro-Controller specifications18 Bios Specifications cont’d MICRO-CONTROLLER Function Description20 Power Management Modes Power Management Features Mode DefinitionFollowing table lists power management specifications Mode Device SpeedPower Management Features Mode Transition Following table lists power management transition modes21 Mode Definitions HOT KEY Definition Environmental SpecificationsFollowing table lists appropriate operating temperatures Following table lists hot key definitionsPower Source Specifications Vibration SpecificationsShock Specifications ELECTRO-STATIC Discharge ESD Specifications Following table lists static discharge specifications27 Electro-Static Discharge Specifications Hardware Functional Overview Functional Block Diagram System BiosSystem Processor Major Functional BlocksSystem Logic Controller Sold by laptopia2005 do not Resell ROM Memory Memory SubsystemDram Memory SubsystemVideo Subsystem Video Chipset ControllerExternal VGA Capability Keyboard SubsystemPcmcia Controller and Sockets Hard Disk SubsystemDiskette Drive Subsystem Power SubsystemAC Power Adapter Poin ING Device SubsystemInternal Battery Pack Power BoardLCD Inverter Board Assembly Preventive Maintenance Cleaning the Notebook’s ExteriorCleaning the Notebook’s Interior Handling the Computer Battery PacksProtecting the Disk Drives 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 Keyboard Removing/Replacing the Heat PlateRemoving/Replacing the CPU 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 AssemblyIllustrated Parts Breakdown NEC Versa 2500 Series Field-Replaceable PartsDescription Part Number 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 Call Service InformationNEC Service and Information Telephone Numbers Technical SupportProduct Information Ordering Information from FastFactsHelpful Starters Post Messages POWER-ON Self Test PostPost Error Messages Message Possible Cause ActionPost Error Messages cont’d SetupValue , read hex-value Bios Informational Messages Informational MessagesRun-time Error Messages Run-time Error MessagesFollowing table lists run-time error messages Message Cause ActionQuick Troubleshooting Quick TroubleshootingProblem Corrective Actions Quick Troubleshooting cont’d Sold by laptopia2005 do not Resell Table A-1 VGA Standard Modes Text Mode VGA Standard ModesFollowing table lists VGA standard modes Table A-2 VGA Standard Modes Graphics Mode Table A-3 VGA Standard Modes Planar ModeTable A-4 VGA Standard Modes Packed Pixel Mode Table A-7 VGA Extended Modes 8-Bit Linear Mode Table A-5 VGA Extended Modes Text ModeTable A-6 VGA Extended Modes 4-Bit Linear Mode Table A-8 VGA Extended Modes 15-Bit Linear ModeTable A-10 VGA Extended Modes 24-Bit Linear Mode Table A-11 VGA Extended Modes Planar ModeTable A-12 VGA Extended Modes Packed Pixel Mode Table A-15 VGA High Refresh Modes Packed Pixel Mode Table A-13 VGA High Refresh Modes Packed Pixel ModeTable A-14 VGA High Refresh Modes Planar 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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