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Provides a general introduction to the Epson NX computer system, detailing its architecture and capabilities.
Details individual components of the Epson NX system, explaining their functions and specifications.
Covers recommended service tools, authorized replacement modules, and general system information for troubleshooting.
Explains Power-On Diagnostics (POD) error messages, beep codes, and their corresponding solutions for startup issues.
Lists diagnostic beep codes and their descriptions, helping to identify system errors during startup.
Addresses common system issues that do not produce POD error messages, offering troubleshooting steps.
Outlines important safety precautions and warnings to be observed before performing any service procedures on the computer.
Instructions for removing and replacing parts within the main computer chassis, including covers and drives.
Lists specifications for various hard disk drives supported by the Epson NX system, including capacity and manufacturer.
Details the I/O addresses assigned to various system devices and peripherals, crucial for hardware configuration.
Shows how Direct Memory Access (DMA) channels are assigned to devices within the Epson NX system.
Lists hardware interrupts (IRQs) and their assigned functions, essential for system resource management.
Provides detailed pinout information for all system connectors, aiding in identification and connection tasks.
Defines common abbreviations and acronyms used throughout the Epson NX service manual.
Guide to configuring system settings via the SETUP utility, covering date, time, hardware, and BIOS options.
Instructions for running hardware diagnostic tests on the computer's components using the system diagnostics program.
Procedures for low-level (physical) formatting of hard drives, including surface analysis and bad track management.
Diagram illustrating the central processing unit (CPU) and its related circuitry on the Epson NX motherboard.
Circuit diagram detailing the video system components and their interconnections, part one of two.
Circuit diagram for the system and virtual cache controllers, showing their logic and connections.
Circuit diagram illustrating the circuitry for peripheral devices and input/output controllers on the system.
Circuit diagram detailing the Single In-line Memory Modules (SIMMs) and memory controller circuitry.
Circuit diagram showing the connections and logic for the Video Graphics Array (VGA) feature connector.
Circuit diagram illustrating the power supply unit and reset circuitry for the Epson NX computer.
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General