Preface - NEC PowerMate V486 Series Service Manual

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Preface

This service and reference manual contains the technical information necessary to set up,
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maintain, troubleshoot, and repair the NEC PowerMate V486 Series computer systems. It
also provides hardware and interface information for users who need an overview of the
computer system design. The manual is written for NEC-trained customer engineers, sys-
tem analysts, service center personnel, and dealers.
The manual is organized as follows:
Section 1, Technical Information, provides an overview of the computer features, hard-
ware design, interface ports and internal devices.
Section 2, Setup and Operation, takes the user from unpacking to setup and operation.
Included is a description of the system configuration, system password, and the computer's
jumper settings, including the factory default settings.
Section 3, Options, provides the user with installation and troubleshooting information for
each specific option.
Section 4, Maintenance and Troubleshooting, includes a list of NEC service information
and telephone numbers that provide access to the NEC Bulletin Board System (BBS),
FastFacts™, and Technical Information Bulletins. This section also includes recommended
maintenance information and a list of possible solutions for computer problems.
Section 5, Desktop Repair, includes desktop disassembly and reassembly procedures
along with an illustrated parts breakdown. NEC service and spare parts ordering informa-
tion are also provided.
Section 6, Minitower Repair, includes minitower disassembly and reassembly procedures
along with an illustrated parts breakdown. NEC service and spare parts ordering informa-
tion are also provided.
Appendix A, Connector Pin Assignments, provides a list of the system boards' internal
connector pin assignments and a list of external pin assignments for the keyboard/mouse,
serial port, parallel port, and video port.
Appendix B, Specifications, provides specifications for the PowerMate V486 Series sys-
tems.
Appendix C, CD-ROM Reader Configuration, provides connector and jumper informa-
tion for the Quad-Speed CD-ROM reader.