Preface - NEC POWERMATE PROFESSIONAL 9000 Service Manual

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Preface

This manual contains technical information necessary for servicing and repairing the
NEC PowerMate Professional 9000 Series minitower computer from NEC Computer
Systems Division, Packard Bell NEC, Inc. It contains hardware and interface information
for users who need an overview of system design. The manual also includes system setup
information, procedures for installing options, and illustrated parts lists. The manual is
written for NECCSD-trained customer engineers, system analysts, service center personnel,
and dealers.
The manual is organized as follows:
Section 1 — Technical Information provides an overview of computer features and
options, hardware design, interface ports, and internal devices. System specifications are
listed including dimensions, weight, environment, safety compliance, power consumption,
and memory.
Section 2 — Setup and Operation includes unpacking, setup, and operation information.
Procedures are also included for configuring the system with the BIOS Setup utility, setting
passwords, using power management and security features, reinstalling the operating system
or software, and using the BIOS Update utility.
Section 3 — Option Installation provides installation procedures for adding optional
expansion boards, additional storage devices, system memory, or a processor upgrade.
Section 4 — Maintenance and Troubleshooting includes recommended maintenance
information, along with possible computer problems and their solutions, and the procedures
for battery replacement. NECCSD telephone numbers are provided for obtaining service,
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accessing the NECCSD Bulletin Board System, and accessing the NEC FaxFlash service.
Section 5 — Repair includes computer disassembly and reassembly procedures. Also
included are an exploded view diagram (Illustrated Parts Breakdown) and a parts lists for
field-replaceable parts.
Appendix A — Connector Pin Assignments provides a list of system, riser, and option
board internal connector pin assignments and a list of external pin assignments for the
keyboard, mouse, serial ports, parallel port, network ports, and video port.
Appendix B —Jumper Settings provides jumper settings for the system board, and for
options that may ship with the computer, including the CD-ROM reader and the fax/modem
board.
A Glossary provides a list of definitions for many of the terms used in this manual.