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A Powerful, Versatile Corporate PC
®
POWERMATE CT
S E R V I CE AND RE FE RE NCE
MANUAL
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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 Computers Inc. (hereinafter “NECC”) and/or its licensors. NECC 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 are expressly granted to others. The NECC
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Contents Preface ..................................................................................................................................ix Abbreviations........................................................................................................................xi 1 System Overview Configuration..................................................................................................................... 1-2 Features...................................................
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Boot Menu ................................................................................................................ 2-22 Exit Menu ................................................................................................................. 2-22 Hard Drive Security ......................................................................................................... 2-23 Establishing Hard Disk Drive Passwords ................................................................. 2-23 Ch
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3 1/2-Inch Internal Drives................................................................................................ 3-26 Removing a 3 1/2-Inch Internal Drive...................................................................... 3-26 Installing a 3 1/2-Inch Internal Drive ....................................................................... 3-28 CMOS Battery ................................................................................................................. 3-30 System Board
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7 Troubleshooting Checklist ............................................................................................................................ 7-2 System Problems......................................................................................................... 7-2 Diskette Drive Problems ............................................................................................. 7-3 Monitor Problems .............................................................................
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List of Figures PowerMate CT Minitower Front Features......................................................................... 1-4 PowerMate CT Desktop Front Features............................................................................. 1-4 PowerMate CT Minitower Rear Features .......................................................................... 1-6 Minitower Rear Connector Locations................................................................................ 1-6 PowerMate CT Desk
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List of Tables PowerMate CT System Configuration ............................................................................... 1-3 System Components......................................................................................................... 1-12 Interrupt Level Assignments.............................................................................................. 2-2 Parallel Port Interrupts ........................................................................................
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Preface ® This manual contains technical information for servicing and repairing the NEC PowerMate CT systems manufactured by NEC Computers Inc. Use this manual for NEC PowerMate CT computers assembled in Europe. Check the regulatory sticker at the rear of the system to find the assembly location for the computer. The manual contains hardware and interface information for users who need an overview of system design. The manual includes system setup information, disassembly procedures, and an ill
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Abbreviations Aampere DMA direct memory access AC alternating current DMAC DMA controller ACK acknowledge DMI Desktop Management Interface AGP accelerated graphics port DOS disk operating system AMR audio modem riser dpi dots per inch ASIC application-specific integrated circuit DRAM dynamic RAM AT advanced technology (IBM PC) DVD digital versatile disc ATA AT attachment ECC error checking and correction ATAPI AT attachment packet interface ECP extended capabilities port ATM asynchronous transfe
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IrDA Infrared Data Association PIO parallel input/output IRR Interrupt Request register pixel picture element ISA Industry Standard Architecture PLCC plastic leaded chip carrier ISP internet service provider PLL phase lock loop IRQ interrupt request POST Power-On Self-Test K kilo (1024) p-p peak-to-peak k kilo (1000) PPI programmable peripheral interface KB kilobyte PROM programmable ROM Kbps Kilobits per second PS/2 personal system/2 kg kilogram QFP quad flat pack kHz kilohertz R read lb pound
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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 Vvolt 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 integr
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1 System Overview ! Configurations ! Features ! Components
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® This section provides an overview of the NEC PowerMate CT system. Included are descriptions of the system’s ! hardware configuration ! front, back, and inside features ! security features ! major components ! software. The system can be configured as a minitower or as a desktop to suit the user’s requirements. Configuration The NEC PowerMate CT system is a built-to-order system for commercial offices. System ® ® features include an Intel Pentium III processor, the Intel 820 chipset, two Rambus
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PowerMate CT System Configuration Component Description System Board Gigabyte GA-6CX7 Pentium III Processor* 667-MHz or higher, 133-MHz or higher FSB Pentium III L1 Cache 32 KB SRAM integrated on processor Pentium III L2 Cache 256 KB Pipeline Burst SRAM Processor Mount Socket 370 System RAM* 64 MB (minimum) to 512 MB of up to PC800 RDRAM in 2 RIMM sockets Chip Set Intel 820 with 82820 Memory Controller Hub, 82801AA I/O Controller Hub, 82802AA Firmware Hub, Audio-Codec 97 Controller, and System M
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Features The system front, back, and inside features are described in the following paragraphs. Also included are descriptions of system security features. Front Features The PowerMate CT system can be used as a minitower or as a desktop. The following figures show the features on the front of the system for both setups. Brief descriptions of the features follow the figure. PowerMate CT Minitower Front Features A – USB Port F – Power/Sleep Button B – CD-ROM Drive G – Power/Sleep Lamp C – 5 1/4-I
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The system has the following devices, controls, and lamps at the front of the system (see the above figures for device, control, and lamp locations). ! Power/sleep button — press this button to turn on system power. To turn off power, close ® all applications, shut down Windows ; Windows 98 and Windows 2000 automatically ® power down the system. For Windows NT , close all applications, shut down Windows NT, and press in the power button until the system powers down (approximately four seconds).
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PowerMate CT Minitower Rear Features A – AC Power Connector F – Locking Tab B – Monitor Power Socket G – Expansion Slots C – Power Supply H – System Board Connectors D – Keyboard/Mouse Anti-Theft Bracket I – Voltage Switch E – AGP Video Board Minitower Rear Connector Locations A – Keyboard Connector G – Line In B – Mouse Connector H – Line Out C – Parallel Port I – Serial Port 2 D – MIDI/Game Port J – Serial Port 1 E – VGA Connector K – USB Port F – Microphone In 1-6 Overview
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PowerMate CT Desktop Rear Features A – Power Supply F – System Board Connectors B – Keyboard/Mouse Anti-theft Bracket G – Monitor Power Socket C – AGP Video Board H – Voltage Switch D – Locking Tab I – AC Power Connector E – Expansion Slots Desktop Rear Connector Locations A – Mouse Connector G – Line Out B – Parallel Port H – Serial Port 2 C – MIDI/Game Port I – Serial Port 1 D – VGA Connector J – USB Port E – Microphone In K – Keyboard Port F – Line In The rear of the system has the following
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! VGA monitor connector — attach a video graphics array (VGA)-compatible monitor (NEC ® MultiSync monitor or other VGA-compatible monitor) with a 15-pin connector to the AGP connector on the installed video board. ! Monitor power socket — if a plug adapter is available, connect the power cord from the monitor to the monitor power socket to use fewer wall or surge protector outlets. ! Microphone in jack — use this jack to connect a microphone for recording audio information in data system files.
