AlphaStation 255 Family

This document is the primary user guide for the Digital AlphaStation 255 family of computer systems. It covers the following key areas:

• Getting Started: Initial setup, safety, and power-on procedures for different operating systems.
• System Overview: Hardware specifications, energy management, and internal component identification.
• Configuration: Detailed instructions on using AlphaBIOS and SRM firmware for system settings and OS installation.
• Installing Options: Procedures for adding memory modules, expansion boards (PCI/ISA), and internal/external storage devices.
• Troubleshooting: Guidance on system diagnostics, interpreting beep codes, and resolving common hardware or configuration issues.
• Appendices: Includes technical specifications, device mapping (I/O and interrupts), firmware update procedures, and an equipment log form for tracking system hardware.