Uart

UART	universal asynchronous
	receiver/transmitter
UHF	ultra high frequency
UL	Underwriter’s Laboratories
UMA	unified memory architecture
UPS	uninterruptible power supply
URL	uniform resource locator
USB	universal serial bus
V	volt
Vac	volts, alternating current
VCR	video cassette recorder
Vdc	volts, direct current
VDT	video display terminal
VESA	video electronics standards
	association
VFC	VESA-compliant feature connector
VGA	Video Graphics Array
VHF	very high frequency
VLSI	very large scale integration
VRAM	video RAM
W	watt
WAN	wide area network
WRAM	Windows RAM
W	write
www	world wide web

Abbreviations xiii

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Contents

W E R M a T E C T Proprietary Notice and Liability Disclaimer Contents Iv Contents Illustrated Parts Breakdown Vi Contents List of Figures Viii Contents Preface Abbreviations Abbreviations Xii Abbreviations Uart System Overview Configuration PowerMate CT System Configuration Component Description Features Front FeaturesPowerMate CT Minitower Front Features PowerMate CT Desktop Front Features Rear Features PowerMate CT Minitower Rear Features Minitower Rear Connector Locations PowerMate CT Desktop Rear Features Desktop Rear Connector Locations Inside Features Power SupplyInside the System Power Management Features Software Features Preloaded Software Security Features Password Security Components System BoardSystem Components Component Go to Power Supply System MemoryDiskette Drive Hard Drive Mouse CD-ROM DriveDVD-ROM Drive CD-RW Drive Modem Board Network Board System Configuration Interrupt Requests System InterruptsInterrupt Level Assignments Interrupt Priority Interrupt Device Parallel Port Interrupts Parallel Port InterruptsPort Interrupt Jumper Settings System Board Jumper SettingsSerial Port Interrupts Serial Port Interrupts System Board Jumper Block Settings Function Jumper Setting DescriptionSystem Board Jumper Block Locations Cmos JP4 Bios JP5 JP3RAM Maxtor Eide Hard Drive Jumper Settings Quantum Eide Hard Drive Jumper SettingsCD-ROM Drive Jumper Settings Maxtor Eide Hard Drive Jumper Settings Bios Setup Utility How to Start SetupSetup Main Menu How to Use Setup Setup Key FunctionsKey Function Menu Item Settings default is bold Main MenuMain Menu Items 44/1.25 MB 3 1/2 CD-ROM Multi-Sector Transfers Disabled, 2, 4, 8, 16 sectors Advanced Menu Advanced Menu Uncached, Write Protect IRQ3, IRQ4 Normal, IR IRQ5, IRQ7 NMI SMISCI Security Menu Security Menu ItemsAGP, PCI Clear , Set Supervisor, User Power Menu Power Menu SettingsOnce these passwords are set, NEC Computers Inc Has no capability to remove them Off, On Boot Menu Settings Exit MenuExit Menu Items Press Shift + Establishing Hard Disk Drive Passwords Changing Hard Disk Drive PasswordsHard Drive Security Using Hard Disk Drive Password Protection Highlight Assign HDD Password and press EnterMoving the Hard Drive Flash Utility Online Documentation Product Recovery Program Starting the Recovery Program Using the Recovery Program Standard System Restore Using the Smart Restore Program Tools PowerMate Driver CD Intel Processor Serial Number Control Utility Installation Frequently Asked QuestionsSystem Requirements Processor Serial Number Intel Technical Support Email support@intel.com Disassembly and Reassembly PowerMate CT System Disassembly Sequence Sequence Part Name See System Covers Removing the CoverLocating the Cover Screws Cover Replacing the Cover Removing the CoverReplacing the Cover Side Slots and Tabs Removing the Front Panel Removing the Front PanelChassis Slots Expansion Boards Replacing the Front PanelReplacing the Front Panel Slots on Chassis Front Panel Tabs on Front Panel Locating Expansion Board Slots and Connectors Removing the Retainer BarRemoving the Expansion Board Retainer Bar Retainer Bar Tabs Tab Slots Removing an Expansion Board Removing an Expansion BoardExpansion Board AGP Video Board Locking Lever Installing a Slot Cover Installing a Slot CoverRemoving a Slot Cover Installing an Expansion Board Installing an Expansion Board Replacing the Retainer Bar Replacing the Retainer BarRetainer Bar End Lock Tab Retainer Bar Slot Lock Tab Slot Rimm Memory Modules Removing a Rimm or Continuity ModuleLocating the Rimm and Processor Sockets Removing a Continuity Module Removing a Rimm ModulePlastic Clip Continuity Module Plastic Clip Rimm Module Installing a Rimm or Continuity Module Installing a Rimm Module Installing a Continuity ModuleNotches Processor Removing the Processor Installing an Upgrade Processor Removing the Fan, Heat Sink, and ProcessorHeat Sink Processor Retention Clip Locking Lever 4-Inch Accessible Devices Removing or Replacing a Bay Cover Removing a 5 1/4-Inch Device Bay Cover Storing and Retrieving Unused Rails Replacing a Bay CoverSlot on Rail Bay Cover Tab on Bay Cover Removing or Installing Device Rails Storing an Unused RailLocating the Screws for 5 1/4-Inch Device Rails Front of Chassis Tab at End of Rail Device Rail Removing a 5 1/4-Inch Accessible Device Releasing a 5 1/4-Inch Device Installing a 5 1/4-Inch Accessible Device Inserting a 5 1/4-Inch Device for Use in a Minitower 2-Inch Accessible Devices Removing a 3 1/2-Inch Accessible DeviceRemoving the 3 1/2-Inch Accessible Device Bracket Installing a 3 1/2-Inch Accessible Device 3 1/2-Inch Accessible Device Bracket 2-Inch Internal Drives Removing a 3 1/2-Inch Internal DriveLocating the Internal Drive Bracket Front of Chassis Locating Internal Drive Bracket Screws Sliding the Internal Drive Bracket out of the ChassisGuide Tab one of four Installing a 3 1/2-Inch Internal Drive Locating Internal Drive Screws on the BracketScrews 2 Screw Holes 2 Locating Guides for the Internal Drive Bracket Securing the Internal Drive Bracket Cmos Battery Locating the Battery on the System Board Removing the Battery Battery ClipSystem Board Removing the System Board Reinstalling the System Board Locating System Board Screws Power Supply Locating the Power Supply Screws Front LED/Switch Bracket Front USB PortLocating Front USB Port Screws Screw USB Port Board Releasing the Front LED/Switch Bracket Removing the Front LED/Switch Bracket Chassis Intrusion Switch Removing the Chassis Intrusion SwitchChassis Intrusion Switch Tab Minitower and Desktop Setup Converting from Minitower to Desktop Accessible Device Placement for a Desktop Converting from Desktop to Minitower Accessible Device Placement for a Minitower Chassis Shell Replacing the Chassis Shell System Board External Cable Connectors Minitower External Cable Connector LocationsVGA Connector on video board USB Port Microphone Internal Cable Connectors Desktop External Cable Connector LocationsSystem Board Internal Cable Connectors Changing a Jumper Setting Locating System Board JumpersSystem Board Jumper Locations Upgrade Sockets System Board Upgrade SocketsProcessor Socket Rimm 2 Socket Rimm 1 Socket Sample Rimm Upgrade Paths Processor SocketRimm Sockets Total Memory Checking System Memory System Board Components Component FunctionMCH ICH System Bios Processor and Secondary Cache Plug and Play PCI/IDE PortsParallel Interface Serial Interface Parallel Port AddressesSerial Port 1 and Serial Port 2 I/O Addresses Starting I/O Address Port USB Interface Accelerated Graphics PortIntegrated Audio Resources Memory MapAddresses System Memory Map 0CF8-0CFF DMA Settings DMA SettingsDMA Setting Device Illustrated Parts Breakdown PowerMate CT System FRUs Ordering PartsField Replaceable Units Ordering Parts Shield PowerMate CT System Illustrated Parts Breakdown Illustrated Parts Breakdown Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning Locating the Mouse Ball Cover Troubleshooting Checklist System Problems Diskette Drive Problems Monitor Problems Keyboard/Mouse Problems CD-ROM Drive Problems Speaker Problems CD does not eject due to a power failure or software error Diagnostics Problem Problems and Solutions Problem Symptom Solution Keyboard or Problems and Solutions Necc Information Services Service Telephone Numbers Necc Service and Support Telephone NumbersService Telephone Numbers Technical Support Email/Fax Technical Support Service Necc FTP SiteTechnical Support Center Tech-support@nec-computers.com Specifications System Board Specifications System SpecificationsSystem Board Specifications Specification Go to Keyboard Specifications Mouse SpecificationsKeyboard Specifications Mouse Specifications Speaker Specifications System Unit SpecificationsSpeaker Specifications System Unit Specifications Hard Drive Specifications Quantum Hard Drive Specifications Maxtor 5,400 RPM Hard Drive Specifications ATA-5/UDMASdram Maxtor 7,200 RPM Hard Drive Specifications Diskette Drive Specifications CD-ROM Drive SpecificationsDiskette Drive Specifications NEC CD-ROM Drive Specifications CD-RW Drive Specifications DVD-ROM Drive SpecificationsCD-RW Drive Specifications DVD-ROM Drive Specifications Zip Drive Specifications Zip Drive Specification Modem Board Specifications Network Board SpecificationsModem Board Specifications 3Com 3C905C Network Board Specifications ATX Power Supply Specifications Environmental and Safety SpecificationsIntel PRO 100+ WOL Network Board Specifications Power Supply Specifications Compliance System ComplianceUsage Standard Glossary Application programs ArchitectureArchive Asynchronous Bad sector BandwidthBase RAM Batch file Boot Bootable deviceBoot block Boot sector Bus Bus masterByte Cache Cold boot DefaultCodec Compression ECC memory EDO memoryEnhanced VGA Extended RAM Function key Graphics acceleratorHertz Hexadecimal Isochronous KilobyteL2 cache Master MegabyteMicroprocessor Modem Password Operating systemOverwrite Parallel interface Reset ResolutionPrompt Read Serial interface Serial printerSlot Sound card System board TpiTrack Ultra DMA Warm boot WriteWrite-back Write-through Index Index-2 Index-3 Index-4 Battery Replacement FCC Statement for United States OnlyCanadian Department of Communications Compliance Statement European Community Directive Conformance Statement Battery Disposal Mini-PCI FCC Registration Numbers 456-00134-000SRV 8/00

NEC PowerMate CT manual Uart

Models: PowerMate CT

Abbreviations xiii