DIGITAL Server 3220/3220R Series Service

This service maintenance manual provides comprehensive technical information for the DIGITAL Server 3220 (pedestal model) and 3220R (rackmount model). The document is designed as a guide for certified engineers to perform diagnostics, maintenance, and field-replaceable unit (FRU) repairs.

Key topics include:

• Product Overview: Descriptions of the server hardware architecture, including processor modules, memory configurations, SCSI controllers, and expansion capabilities.
• Software and Utilities: Instructions for using the BIOS Setup Utility, BIOS/firmware upgrade utilities, SCSI and RAID configuration utilities, and the ServerWORKS diagnostic software.
• Troubleshooting: Detailed procedures for diagnosing power issues, boot failures, peripheral malfunctions (disk, tape, CD-ROM, monitor), and system errors, including interpreting POST codes and LED fault indicators.
• FRU Replacement: Step-by-step procedures for replacing internal components such as power supplies, cooling fans, storage backplanes, main logic boards, and memory modules.
• Device Mapping: Reference tables for memory address maps, I/O address maps, and interrupt levels.
• Upgrades: Guidelines and comparison charts for upgrading from previous 3200-series models to the 3220/3220R configurations.
• Technical Specifications: Block diagrams of the main logic board and supported hardware options lists for memory, storage, and networking components.