NEC NEC Computer Systems Division, Packard Bell NEC, Inc warranty System Board Specifications

Page 41

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General Specifications	2-7

SYSTEM BOARD SPECIFICATIONS

The following table lists system board specifications.

Table 2-3 Main Board Specifications

ITEM	SPECIFICATION

Clock	NS Clock Buffer CGS74CT 2524
CPU	∗	PGA Socket
Cache	∗	256KB, L2
DRAM	∗ 1M x 16-bit DRAM x 4
Video RAM	∗ 256K x 16-bit DRAM (5V / 60ns), SOJ x 2
System Chipset	∗ UMC UM8891BN, 208 Pin, PQFP
	∗ UMC UM8892BN, 208 Pin, PQFP
VGA	∗ C&T 65548, 208 Pin, PQFP
PCMCIA	∗ Omega 82C094, 208 Pin, TQFP
	∗ Omega 82C028, 28 Pin SOIC
Internal	To System PCB:
Connector &	100 Pin, AMP
Socket	To HDD:
	50 Pin, KEL
	To CD-ROM:
	40 Pin, KEL
	2 Pin, Molex
	To Transfer PCB:
	2 Pin, Molex
	To DC Converter
	32 Pin, Suyin
External	COM1:
Connector	9 Pin, Suyin
	Printer:
	25 Pin
	Docking:
	160 Pin
PCB	Thickness: 1.2mm
	Layers: 8

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Contents Sold by laptopia2005 do not Resell Preface Contents System Bios Upgrade Procedure Removing/Replacing the Heat Plate Assembly Removing/Replacing the LED BoardVGA 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 Upgrade Utility Bios Customized UtilityDirect memory access Error checking and correctionNational Authorized Service Service registerNational Service Response Phase lock loopReceiver/transmitter Universal asynchronousVolt Vdc Volts, direct currentIntel P54CSLM-133 Model ConfigurationConfiguration NEC Versa Feature Highlights Feature HighlightsSystem Configuration Diagram System ConfigurationStatus Panel and Power Indicator Power Switch/LCD Cover SwitchQuick Tour of the Notebook Main ComponentsAgain to disable the embedded keys and resume Disables the alphanumeric keys where the embedDed keys are located. Press the Num Lock key Normal keyboard operationVersaGlide Fn Key Combination Summary cont’dMemory Slot Compartment Right Side of the NotebookBuilt-in Disk Drive PC Card Slot CompartmentFront of the Notebook Battery CompartmentLeft Side of the Notebook Removing the Battery PackRear of the Notebook 11 Connecting an External Keyboard and PS/2 Mouse VGA Port Printer Port Bottom of the NotebookROM Memory Compartment Cover Battery Module Handle and LockBoot Setup Menu System Bios Setup ProgramOption is 3.5, 1.44 MB disk drive Boot Main Setup MenuBoot Setup Peripherals Menu Boot Main Setup Menu cont’dFunction Password Boot Setup Security MenuPassword on Boot Password on ReStandby Time-out Boot Setup Power Savings MenuPower Saving Memory Upgrade Procedure System UpgradesBoot Setup Power Savings Menu cont’d 16 MB Memory ConfigurationsSystem Bios Upgrade Procedure Sold by laptopia2005 do not Resell NEC Versa 2500 Series Specifications General SpecificationsNEC Versa 2500 Series Specifications cont’d Sold by laptopia2005 do not Resell AC 100V to 240V, 47/63Hz, 36W Max CD-ROM Following table lists the NEC Versa 2500 Series product mix Product MIXProduct Mix VersaMain Board Specifications System Board SpecificationsFollowing table lists system board specifications Converter Board Specifications Transfer 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 Following table lists LCD inverter board specifications LCD Inverter Board SpecificationsLCD Inverter Board Specifications SpecificationDiskette Drive Specifications LED Status Indicators10 Diskette Drive Specifications Status LED DescriptionsCD-ROM Specifications HDD Unit SpecificationsNimh Battery Pack Specifications Following table lists the standard battery specificationsFollowing table lists battery charger specifications DC/DC Converter & Battery Charger SpecificationsBattery Charger Specifications AC/DC Adapter Specifications Keyboard SpecificationsFollowing table lists keyboard specifications Following table lists AC/DC adapter specifications18 Bios Specifications Bios SpecificationsFollowing table lists Bios specifications 18 Bios Specifications cont’d Following table lists Micro-Controller specifications19 Micro-Controller Specifications MICRO-CONTROLLER Function DescriptionFollowing table lists power management specifications Power Management Features Mode Definition20 Power Management Modes Mode Device Speed21 Mode Definitions Power Management Features Mode TransitionFollowing table lists power management transition modes Following table lists appropriate operating temperatures Environmental SpecificationsHOT 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 System Bios Functional Block DiagramMajor Functional Blocks System ProcessorSystem Logic Controller Sold by laptopia2005 do not Resell Dram Memory Memory SubsystemROM Memory SubsystemVideo Chipset Controller Video SubsystemKeyboard Subsystem External VGA CapabilityHard Disk Subsystem Pcmcia Controller and SocketsAC Power Adapter Power SubsystemDiskette Drive Subsystem Poin ING Device SubsystemLCD Inverter Board Assembly Internal Battery PackPower Board Cleaning the Notebook’s Exterior Preventive MaintenanceProtecting the Disk Drives Cleaning the Notebook’s InteriorHandling the Computer Battery Packs Required Tools and Equipment Maintaining the LCD QualityRemoving/Replacing the Notebook Battery Pack Parts Removal and Replacement ProceduresRemoving/Replacing the Diskette Drive Module Removing/Replacing the Hard Disk Drive ModuleRemoving/Replacing the LCD Status Bar Cover and Hinges Diskette Drive Module AssemblyRemoving/Replacing the CPU Removing/Replacing the KeyboardRemoving/Replacing the Heat Plate Removing/Replacing the Cover-Display LCD Assembly Module Removing/Replacing the LED Board Removing/Replacing the System Board and I/O Board LED Board Module AssemblySystem Board and I/O Boards Separating the System Board and I/O BoardI/O Board Module Assembly Removing/Replacing the Power BoardDescription Part Number Illustrated Parts BreakdownNEC Versa 2500 Series Field-Replaceable Parts Not shown in IPB figure NEC Versa 2500 Series Field-Replaceable Parts cont’dNEC Versa 2500 Series Illustrated Parts Breakdown Packaging and Documentation Part Numbers Packaging and DocumentationNEC Service and Information Telephone Numbers Service InformationService Call Technical SupportOrdering Information from FastFacts Product InformationHelpful Starters Post Error Messages POWER-ON Self Test PostPost Messages Message Possible Cause ActionSetup Post Error Messages cont’dValue , read hex-value Informational Messages Bios Informational MessagesFollowing table lists run-time error messages 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-6 VGA Extended Modes 4-Bit Linear Mode Table A-5 VGA Extended Modes Text 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-14 VGA High Refresh Modes Planar Mode Table A-13 VGA High Refresh Modes Packed Pixel ModeTable A-15 VGA High Refresh Modes Packed Pixel Mode VGA High Refresh ModesBattery Replacement Index Memory Index-3