DECstation 212LP/ 316sx/ 320sx

The DECstation 212LP, 316sx, and 320sx Service Guide is a comprehensive manual intended for trained Digital Equipment Corporation service technicians. It contains essential information for diagnosing system issues, replacing field replaceable units (FRUs), and configuring base system options.

Key contents include: - Overview: Descriptions of the base system configurations and available hardware options. - Troubleshooting: Detailed diagnostic procedures including internal ROM-based diagnostics, interpreting power-up beep codes, and addressing specific symptoms like no-power conditions or boot failures. - FRU Replacement: Step-by-step procedures for removing and replacing hardware components, such as the main logic board, power supply, disk drives, memory modules, and math coprocessors. - Reference Tables: Jumper and switch settings for various logic board versions, power consumption statistics, and peripheral interface pin assignments.

The guide emphasizes safety, including anti-static precautions and network disconnection requirements before servicing.