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A New Direction In Cutting-Edge Technology
™
DIRECTION SP B-SERIES
S E R VIC E A N D RE F E RE N C E
M A N UAL
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Proprietary Notice and Liability Disclaimer The information disclosed in this document, including all designs and related materials, is the valuable property of NEC Computer Systems Division, Packard Bell NEC, Inc. (hereinafter “NEC CSD”) and/or its licensors. NEC CSD and/or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights to this document, including all design, manufacturing, reproduction, use, and sales rights thereto, except to the extent said rights a
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Contents Preface .............................................................................................................................ix Abbreviations...................................................................................................................xi 1 Technical Information System Overview .......................................................................................................... 1-2 System Board...........................................................
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Boot Menu ..............................................................................................................2-13 Hard Drive Submenu .......................................................................................2-14 Removable Devices Submenu ..........................................................................2-14 Exit Menu ...............................................................................................................2-15 Intel Processor Serial Number Con
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5 Disassembly and Reassembly Disassembly .................................................................................................................. 5-3 System Access Cover ............................................................................................... 5-3 Expansion Board Removal ....................................................................................... 5-3 Front Panel Removal ..................................................................................
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C System Resources IRQ Settings..................................................................................................................C-2 System Resource Information........................................................................................C-2 Jumper Settings .............................................................................................................C-3 Clearing Your Password...............................................................................
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List of Figures Front Features – Desktop Models.......................................................................................... 1-2 Rear Features – Desktop Models ........................................................................................... 1-3 Audio Connectors – Desktop Models .................................................................................... 1-3 Front Features – Minitower Models...........................................................................
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List of Tables System Memory Map............................................................................................................ 1-7 Interrupt Level Assignments ................................................................................................. 1-8 DMA Assignments................................................................................................................ 1-8 Setup Key Functions .........................................................................
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Preface This service and reference manual contains technical information necessary for servicing and repairing Direction™ SP B-Series systems. The manual includes system setup information, procedures for installing options, and troubleshooting. The manual is written for NEC CSD-trained customer engineers, system analysts, service center personnel, and dealers. The manual is organized as follows: Section 1 — Technical Information, provides an overview of the computer features, hardware design, in
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Abbreviations Aampere DM AC DMA controller A C alternating current DOS disk operating system A T advanced technology DRAM dynamic RAM (IBM PC) ECC error checking and correction BBS Bulletin Board Service EDO extended data output BCD binary-coded decimal EGA Enhanced Graphics Adapter BCU BIOS Customized Utility EPROM erasable and programmable B IOS basic input/output system ROM b it binary digit EVGA Enhanced Video Graphics Array BUU BIOS Upgrade Utility F Fahrenheit bpi bits per inch FA
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IPC integrated peripheral P LL phase lock loop controller p- p peak-to-peak ips inches per second PPI programmable peripheral IRQ interrupt request interface K kilo (1024) PR OM programmable ROM k kilo (1000) QF P quad flat pack KB kilobyte RAM random-access memory kg kilogram R AMDAC RAM digital-to-analog converter kHz kilohertz RA S row address strobe l b pound R GB red green blue L ED light-emitting diode R GBI red green blue intensity L SB least-significant bit ROM read-only memory LSI
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1 Technical Information Overview System Board Modem Board (optional) Diskette Drive Hard Drive CD-ROM/DVD Drive Zip Drive Power Supply Power Management
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The section provides an overview of the NEC Direction™ SP B-Series computers. Information includes: an 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
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Rear Features – Desktop Models A – Power Socket B – Mouse Port C – Parallel Port D – Keyboard Port E – USB Ports F – Serial Port 1 G – Serial Port 2 H – Audio Connectors I – Video Connector Audio Connectors – Desktop Models A – MIDI/Game Port B – Line Out Jack C – Line In Jack D – Microphone Jack Technical Information 1-3
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Front Features – Minitower Models A – CD-ROM/DVD Drive B – Diskette Drive C – Power Lamp D – Power Button E – Disk Lamp F – Reset Button Rear Features – Minitower Models A – Power Socket B – Mouse Port C – Keyboard Port D – USB Ports E – Serial Port 1 F – Serial Port 2 G – Audio Connectors H – Video Connector I – Parallel Port 1-4 Technical Information
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Audio Connectors – Minitower Models A – Line Out Jack B – Line In Jack C – Microphone Jack D –MIDI/Game Port System Board The system board contains most of the components that provide system functions. The following subsections provide a description of these components. Processor The system board uses a 350-MHz, 400-MHz, or 450-MHz Intel Pentium II processor or a 500-MHz Intel Pentium III processor. All use MMX technology. The MMX processor improves audio, video, and 3D graphics performance. Eac
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The system supports the following DIMM configurations: 4-Mbit by 64 (32-MB DIMM) 8-Mbit by 64 (64-MB DIMM) 16-Mbit by 64 (128-MB DIMM). Chipset The Intel 440BX chipset provides DMA, memory, and bus control. The chipset includes the following chips: Intel 82443BX PCI/AGP (PAC) ─ provides bus-control signals, address paths, and data paths for transfers between the processor’s host bus, PCI bus, Accelerated Graphics Port (AGP), and main memory. Intel 82371EB PCI ISA IDE Xcelerator (PIIX4E
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System Memory Map Memory Address Size Function 100000-18000000 383 MB Extended memory E8000-FFFFF 96 KB System BIOS E0000-E7FFF 32 KB System BIOS (available as UMB) C8000-DFFFF 96 KB Available high DOS memory (open to ISA and PCI bus) A0000-C7FFF 160 KB Video memory and BIOS 00000-9FFFF 640 KB Conventional memory Plug and Play Support The system comes with Plug and Play BIOS technology. Plug and Play eliminates complicated setup procedures for installing Plug and Play expansion boards. To add a
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Interrupt Level Assignments IRQ System Resource NMI I/O channel check 00 Reserved, interval timer 01 Reserved, keyboard controller 02 Reserved, cascade interrupt from slave PIC 03 COM2* 04 COM1* 05 LPT2 (Plug and Play option)/audio/user available 06 Diskette drive 07 LPT1* 08 Real-time clock 09 Reserved 10 USB/user available 11 Windows Sound System*/user available 12 PS/2 mouse port (if present, else user available) 13 Reserved, numeric processor 14 Primary IDE (if present, else user available)
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IDE Ports The system board provides two fast IDE ports: primary channel and secondary channel. Each port supports two devices for a total of four IDE devices. The system board allows the connection of an IDE CD-ROM drive for system configuration flexibility without the addition of a controller. The IDE ports feature an enhanced IDE interface which supports up to 16.7 MB per second 32-bit wide data transfers on the high-performance PCI local bus. ® The standard hard drive and Zip drive (in some s
