Preface; Appendix B Video Modes - NEC Versa 2600 Series Service Manual

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Preface

This service and reference manual contains the technical information necessary to set up and
maintain the following NEC Versa
The manual also provides hardware and interface information for users who need an over-
view of the 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 hardware and interface
components. System specifications are listed including computer dimensions, weight, envi-
ronment, safety compliance, power consumption, and system memory specifications.
Section 2  Setup and Operation, takes the authorized service technician or dealer from
unpacking to setup and operation. The section includes a description of operating controls,
setting parameters and accessing the NECCSD bulletin board system (BBS).
Section 3  Troubleshooting, lists troubleshooting procedures as well as helpful
servicing hints.
Section 4  Field Service Guidelines, provides disassembly and assembly procedures,
and an exploded-view diagram of the NEC Versa system with part numbers.
Appendix A  Connector Locations and Pin Assignments, provides a list of the main
board internal connector pin assignments and a list of external pin assignments.
Appendix B  Video Modes, lists NEC Versa supported video modes.
An Index is included for convenience.
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NEC Versa 2630CD
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NEC Versa 2635CD
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NEC Versa 2650CD
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NEC Versa 2655CD
T
NEC Versa 2650CDT
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NEC Versa 2655CDT.
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2600 Series models:
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