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Preface
This service and reference manual contains technical information necessary for servicing and
repairing the Direction T-Series systems. The manual includes system setup information,
procedures for installing options, and troubleshooting. 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 the computer features,
hardware design, interface ports, and internal devices.
Section 2 — Setup Utility, includes procedures for configuring the system through the
Setup utility program
Section 3 — Option Installation, provides installation procedures for adding optional
expansion boards, diskette and hard disk storage devices, system memory, and processor
updates.
Section 4 — Maintenance and Troubleshooting, includes recommended maintenance
information, lists possible computer problems and their solutions, and has battery
replacement procedures.
Section 5 — Disassembly and Reassembly, includes computer disassembly and
reassembly procedures.
Appendix A — System Specifications, provides a list of the system specifications
including dimensions, weight, environment, safety compliance, power consumption, and
memory.
Appendix B — Connector Pin Assignments, provides a list of the system boards’ internal
and external connector pin assignments.
Appendix C — System Resources, includes information on system board jumpers, IRQ
settings and the BIOS update utility.
Summary of Contents for Direction T-Series
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