Service Maintenance Manual STARION 400/500/700 PC Family

This document is a comprehensive Service Maintenance Manual for the Digital STARION 400/500/700 PC Family, intended for A+ certified engineers. It serves as a troubleshooting guide and reference for servicing these PC lines.

The manual includes:

• Product Description: Details the technical specifications of the STARION 400, 500, and 700 models, including microprocessor, memory, cache, PCI local bus technology, video, and integrated peripherals.
• System Utilities & Configuration: Guides on using system utilities and video drivers, upgrading the BIOS (including creating a crisis recovery diskette with PHLASH.EXE), and configuring the BIOS Setup Utility options for various system parameters.
• Service Procedures: Provides safety requirements, lists recommended tools, and offers detailed instructions for unlocking and removing the computer cover, identifying internal components, understanding expansion slots, setting main logic board jumpers, configuring computer memory (SIMM sockets), and performing part removal and replacement for components like diskette drives, hard drives, expansion boards, the main logic board, power supply, and riser cards. It also covers installation procedures for external cache memory, CPUs, and video memory, and replacing the computer battery.
• Troubleshooting: Offers initial troubleshooting steps, lists beep codes and POST/Boot messages for diagnosing errors, and provides specific troubleshooting tables for common computer, disk drive, and monitor issues, including QAPlus/FE error messages.
• Device Mapping: Presents tables detailing CPU memory and I/O address maps, interrupt levels, DMA channel assignments, and PCI configuration space.
• Pass/Fail Criteria: Outlines the final acceptance tests for successful system operation, including POST and QAPLUS/fe module tests, and successful operating system bootstrap for supported OSs like MS-DOS, OS/2, SCO UNIX, and Windows NT.

The manual emphasizes safety precautions and that repairs should only be attempted at the subassembly/module level.