System Overview, Front Features Desktop Models | NEC SP B-Series

The section provides an overview of the NEC Direction™ SP B-Series computers. Information includes:

Tan overview of system features description of system components.

System Overview

NEC Direction SP B-Series systems support the Intel® Pentium® II processor with MMX™ technology. The following figures show system features on the front and rear of the desktop and minitower systems. The subsections that follow provide more detailed information on system features.

Front Features – Desktop Models

A – Power Lamp	B – Power Button
C – Disk Lamp	D – Reset Button
E – Diskette Drive	F – CD-ROM/DVD Drive

1-2 Technical Information

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NEC SP B-Series manual System Overview, Front Features Desktop Models, Technical Information

Contents

DI Rect I on SP B-SERIES Proprietary Notice and Liability Disclaimer Contents Iv Contents Option Installation Disassembly and Reassembly System Resources Vi Contents List of Figures List of Tables Viii Contents Preface Preface Abbreviations Xii Technical Information System Overview Front Features Desktop ModelsTechnical Information Audio Connectors Desktop Models Rear Features Desktop ModelsVideo Connector MIDI/Game Port Line Out Jack Line In Jack Microphone Jack Rear Features Minitower Models Front Features Minitower Models System Board Audio Connectors Minitower ModelsProcessor System Cache/Memory PCI Local Bus ChipsetExpansion Bus DMA/IRQ Settings Cmos Memory/Real-Time Clock BatteryPlug and Play Support System Memory Map DMA Assignments Interrupt Level AssignmentsSystem Resource Resource Ports IDE PortsSound System Modem Board optional Power SupplyDiskette Drive Hard Drive Power Management Utilities When to Use Setup Bios Setup UtilityUtilities How to Use Setup How to Start SetupMain Setup Menu Menu Bar Selecting a Menu Item Setup Key FunctionsDisplaying a Submenu Getting Help Main Menu Advanced Menu Peripheral Configuration Submenu IDE Configuration Submenu Utilities Floppy Options Submenu DMI Event Logging Submenu Video Configuration Submenu Security Menu Resource Configuration Submenu Boot Menu Power Menu Removable Devices Submenu Hard Drive Submenu Exit Menu Intel Processor Serial Number Control Utility System Requirements FAQsProcessor Serial Number Why would I want to turn off my processor serial number? Technical Support Errata Option Installation Option Installation PrecautionsGeneral Rules Access Cover Removal Releasing the Cover Access Cover ReplacementRelease Tab Aligning the Tabs Expansion BoardsTabs Slots Expansion Slot Locations Expansion Board InstallationLocating Expansion Slots ISA Slots PCI/ISA Slot PCI Slots AGP Slot Screw Slot Cover Removing the Slot Cover Installing a Board Memory UpgradeExpansion Board Removal Bank Total RAM Sample Memory Configurations Removing a Dimm Dimm Removal Installing a Dimm Dimm InstallationData Storage Devices Device Preparation Device SlotsLocating Device Slots Diskette Drive Cable Connector System Board Cable ConnectorsSecondary IDE Cable Connector Device Cables IDE Signal Cables Diskette Drive Signal CableDiskette Drive Signal Cable IDE Signal Cable System Power CablesPower Cable Connectors Connecting IDE Device Cables Cabling an Accessible 5 1/4-Inch DeviceDevice Cabling Cabling an IDE Device Connecting an Accessible 5 1/4-Inch Device Storage Device InstallationDevice Connector Red Edge Signal Cable Removing the Front Panel Releasing the Front Panel Removing the CD-ROM/DVD DriveLocating the Device Cage Screw Two Release Tabs Installing a 3 1/2-Inch Device Aligning the Holes and Tabs Removing the Bracket ScrewsHole Tab Inserting the Device Securing the Drive Be careful of sharp edges Installing a 5 1/4-Inch Device Replacing the Front Panel Installing the Device Parallel Printer External OptionsLocating the Parallel Port Locating the Serial Ports RS-232C Device Connection Maintenance and Troubleshooting NEC CSD Service and Information Telephone Numbers MaintenanceMaintenance and Troubleshooting Service Telephone Number Keyboard Cleaning System CleaningMouse Cleaning Diagnosing and Solving Problems Troubleshooting Problem Symptom Solution Problems and Solutions Problems and Solutions Problems and Solutions Problems and Solutions Beep Code Descriptions Beep CodesBeeps Description Locating the Battery Cmos Battery Replacement Maintenance and Troubleshooting Disassembly and Reassembly Disassembly and Reassembly Disassembly SequenceSequence Part See System Access Cover Disassembly Removing a Board Front Panel Removal Device Cage Removal Side Panel Removal 4-Inch Device Removal Diskette Drive RemovalLocating the Two Diskette Drive Clips Removing the 5 1/4-Inch Device Screws Optional 3 1/2-Inch Hard Drive Removal Removing the Securing Screw Standard 3 1/2-Inch Hard Drive RemovalRemoving the Drive Power Supply Removal Fan Assembly RemovalDimm Module Removal System Board Removal Removing the Power Supply Screws Removing the System Board Screw Illustrated Parts Breakdown Direction SP B-Series Desktop Field-Replaceable Parts List 3C509C-TX network board Direction SP B-Series Desktop Illustrated Parts Breakdown Direction SP B-Series Minitower Field-Replaceable Parts List Speaker, internal Direction SP B-Series Minitower Illustrated Parts Breakdown System Specifications System Specifications Random Access MemoryProcessor Read-Only Memory System Specifications A-3Video Memory Calendar Clock Keyboard and Mouse Expansion SlotsStorage Devices Device Slots Graphics System Specifications A-5 Weight DimensionsPower Sound System Recommended Operating Environment System Specifications A-7 Connector Pin Assignments Connector Pin Assignments System Board ConnectorsConnectors Number System Board Connectors and Jumper System Board Expansion Slot, Memory, and I/O ConnectorsConnector Pin Assignments B-3 System Board Connector Numbers and Types System Board Internal ConnectorsDescription Connector Number Function Number Type Parallel Interface Connector Serial Interface ConnectorsRS-232C Serial Port Connector Pin Assignments Parallel Port Connector Pin Assignments Primary Power Supply Connector Pin Assignments Power Supply Primary Keyboard and Mouse Connector Pin Assignments Keyboard and Mouse ConnectorsFront Panel Connector Pin Assignments Connector Pin Assignments B-7 Diskette Drive Connector Pin Assignments Diskette Drive Interface ConnectorPin Description IDE/PCI Connector Pin Assignments IDE Interface ConnectorConnector Pin Assignments B-9 Dimm Socket Pin Assignments Dimm Sockets AGP Connector Pin Assignments AGP ConnectorConnector Pin Assignments B-11 SBA3 Connector Pin Assignments B-13 ISA Expansion Bus ConnectorsPin Direction Signal ISA Expansion Slot Pin Assignments SA3 Connector Pin Assignments B-15 PCI Expansion Bus ConnectorsPCI Expansion Slot Pin Assignments USB Connectors Universal Serial Bus USB ConnectorsPin Signal Name System Resources System Resource Information IRQ SettingsSystem Resources System Board Jumper Settings Jumper SettingsFunction Jumper J8A1 Configuration Locating the Jumper Clearing Your Password System Resources C-5 Recovering the Bios Glossary Glossary APM AVI Bit Block Transfer Boot sector Cmos Dimm Eide Hz a unit of frequency equal to one cycle per second KB 1024 bytes Midi Interface that communicates eight bits at a time To extract data from a storage device such as a diskette Printer with a serial interface Tracks per inch To record or store information to a storage device Index-1 Index Index-2 IPB Index-3 Post Index-4 Index-5 USBPage Battery Replacement 102343SRV