NEC SP B-Series specification

The following table and IPB list and illustrate the field-replaceable parts for the minitower computer.

Direction SP B-Series Minitower Field-Replaceable Parts List*

Item	Description
1	AC power cable
2	Microphone
3	Microsoft IntelliPoint Mouse
4	Keyboard, Ergo
5	Cable, audio internal, dual MPC
6	Diskette drive signal cable
7	IDE signal cable
8a	8-MB video board, Diamond Stealth II G460, AGP
8b	8-MB video board, ATI XPERT98, AGP
8c	16-MB video board, Diamond Viper V550, AGP
9a	56-Kbps modem board
9b	56-Kbps PCI Winmodem board
9c	56-Kbps Diamond Supra 56I V.90 PCI modem board
10	3C509C-TX network board
11	System board
12a	350-MHz Pentium II
12b	400-MHz Pentium II
12c	450-MHz Pentium II
12d	500-MHz Pentium III
13	Retention mechanism kit
14a	32-MB DIMM - non-parity
14b	64-MB DIMM - non-parity
14c	128-MB DIMM - non-parity
15	Power supply - Sparkle
16a	Altec Lansing speakers, ACS90
16b	Altec Lansing speakers, ACS45
17	Left side cover
18	Top cover
19	Right side cover
20	Front panel

_______

*This data was prepared April 1999. For an up-to-date listing of spare parts, please call FaxFlashSM at

1-888-329-0088 (or 1-916-379-4780 outside the U.S.) and order document 42102343.

Disassembly and Reassembly 5-15

Image 92

NEC manual Direction SP B-Series Minitower Field-Replaceable Parts List

Contents

DI Rect I on SP B-SERIES Proprietary Notice and Liability Disclaimer Contents Option Installation Iv Contents Disassembly and Reassembly Vi Contents System Resources List of Figures Viii Contents List of Tables Preface Preface Abbreviations Xii Technical Information Technical Information Front Features Desktop ModelsSystem Overview Rear Features Desktop Models Audio Connectors Desktop ModelsVideo Connector MIDI/Game Port Line Out Jack Line In Jack Microphone Jack Front Features Minitower Models Rear Features Minitower Models Audio Connectors Minitower Models System BoardProcessor System Cache/Memory Expansion Bus ChipsetPCI Local Bus Cmos Memory/Real-Time Clock Battery DMA/IRQ SettingsPlug and Play Support System Memory Map Interrupt Level Assignments DMA AssignmentsSystem Resource Resource Sound System IDE PortsPorts Power Supply Modem Board optionalDiskette Drive Hard Drive Power Management Utilities Utilities Bios Setup UtilityWhen to Use Setup Main Setup Menu How to Start SetupHow to Use Setup Menu Bar Setup Key Functions Selecting a Menu ItemDisplaying a Submenu Getting Help Main Menu Peripheral Configuration Submenu Advanced Menu IDE Configuration Submenu Utilities Floppy Options Submenu Video Configuration Submenu DMI Event Logging Submenu Resource Configuration Submenu Security Menu Power Menu Boot Menu Hard Drive Submenu Removable Devices Submenu Intel Processor Serial Number Control Utility Exit Menu Processor Serial Number FAQsSystem Requirements Why would I want to turn off my processor serial number? Errata Technical Support Option Installation General Rules PrecautionsOption Installation Access Cover Removal Release Tab Access Cover ReplacementReleasing the Cover Tabs Slots Expansion BoardsAligning the Tabs Expansion Board Installation Expansion Slot LocationsLocating Expansion Slots ISA Slots PCI/ISA Slot PCI Slots AGP Slot Removing the Slot Cover Screw Slot Cover Expansion Board Removal Memory UpgradeInstalling a Board Sample Memory Configurations Bank Total RAM Dimm Removal Removing a Dimm Data Storage Devices Dimm InstallationInstalling a Dimm Locating Device Slots Device SlotsDevice Preparation System Board Cable Connectors Diskette Drive Cable ConnectorSecondary IDE Cable Connector Device Cables Diskette Drive Signal Cable Diskette Drive Signal CableIDE Signal Cables Power Cable Connectors System Power CablesIDE Signal Cable Cabling an Accessible 5 1/4-Inch Device Connecting IDE Device CablesDevice Cabling Cabling an IDE Device Storage Device Installation Connecting an Accessible 5 1/4-Inch DeviceDevice Connector Red Edge Signal Cable Removing the Front Panel Removing the CD-ROM/DVD Drive Releasing the Front PanelLocating the Device Cage Screw Two Release Tabs Installing a 3 1/2-Inch Device Hole Tab Removing the Bracket ScrewsAligning the Holes and Tabs Securing the Drive Inserting the Device Be careful of sharp edges Installing a 5 1/4-Inch Device Installing the Device Replacing the Front Panel Locating the Parallel Port External OptionsParallel Printer RS-232C Device Connection Locating the Serial Ports Maintenance and Troubleshooting Maintenance NEC CSD Service and Information Telephone NumbersMaintenance and Troubleshooting Service Telephone Number Mouse Cleaning System CleaningKeyboard Cleaning Troubleshooting Diagnosing and Solving Problems Problems and Solutions Problem Symptom Solution Problems and Solutions Problems and Solutions Problems and Solutions Beeps Description Beep CodesBeep Code Descriptions Cmos Battery Replacement Locating the Battery Maintenance and Troubleshooting Disassembly and Reassembly Sequence Part See Disassembly SequenceDisassembly and Reassembly Disassembly System Access Cover Front Panel Removal Removing a Board Side Panel Removal Device Cage Removal Locating the Two Diskette Drive Clips Diskette Drive Removal4-Inch Device Removal Optional 3 1/2-Inch Hard Drive Removal Removing the 5 1/4-Inch Device Screws Removing the Drive Standard 3 1/2-Inch Hard Drive RemovalRemoving the Securing Screw Dimm Module Removal Fan Assembly RemovalPower Supply Removal Removing the Power Supply Screws System Board Removal Removing the System Board Screw Direction SP B-Series Desktop Field-Replaceable Parts List Illustrated Parts Breakdown 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 Processor Random Access MemorySystem Specifications System Specifications A-3 Read-Only MemoryVideo Memory Calendar Clock Expansion Slots Keyboard and MouseStorage Devices Device Slots System Specifications A-5 Graphics Dimensions WeightPower Sound System System Specifications A-7 Recommended Operating Environment Connector Pin Assignments Connectors Number System Board ConnectorsConnector Pin Assignments Connector Pin Assignments B-3 System Board Expansion Slot, Memory, and I/O ConnectorsSystem Board Connectors and Jumper System Board Internal Connectors System Board Connector Numbers and TypesDescription Connector Number Function Number Type Serial Interface Connectors Parallel Interface ConnectorRS-232C Serial Port Connector Pin Assignments Parallel Port Connector Pin Assignments Power Supply Primary Primary Power Supply Connector Pin Assignments Keyboard and Mouse Connectors Keyboard and Mouse Connector Pin AssignmentsFront Panel Connector Pin Assignments Connector Pin Assignments B-7 Pin Description Diskette Drive Interface ConnectorDiskette Drive Connector Pin Assignments Connector Pin Assignments B-9 IDE Interface ConnectorIDE/PCI Connector Pin Assignments Dimm Sockets Dimm Socket Pin Assignments Connector Pin Assignments B-11 AGP ConnectorAGP Connector Pin Assignments SBA3 ISA Expansion Bus Connectors Connector Pin Assignments B-13Pin Direction Signal ISA Expansion Slot Pin Assignments SA3 PCI Expansion Slot Pin Assignments PCI Expansion Bus ConnectorsConnector Pin Assignments B-15 Pin Signal Name Universal Serial Bus USB ConnectorsUSB Connectors System Resources System Resources IRQ SettingsSystem Resource Information Jumper Settings System Board Jumper SettingsFunction Jumper J8A1 Configuration Locating the Jumper Clearing Your Password Recovering the Bios System Resources C-5 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 Index-1 IPB Index-2 Post Index-3 Index-4 USB Index-5Page Battery Replacement 102343SRV