400 Series Mass Storage Devices IPB

This document is an Illustrated Parts Breakdown (IPB) for Digital Equipment Corporation's 400 Series Mass Storage Devices.

Its primary purpose is to provide a comprehensive reference for identifying and ordering replacement components for these systems. The document is organized into sections for different device types, including:

• DSSI Drives: Covering various RF and TF series disk and tape drives.
• SCSI Drives: Detailing RZ series disk drives.
• TK Drives: Focusing on TK series tape drives.

For each part, the document provides:

• An illustrated diagram with item numbers.
• A detailed description of the part.
• The Digital Part Number.
• Engineering Change Order (ECO) cut-in information.
• Cross-references to relevant figures.

The document also includes instructions on how to use its various sections, format explanations, and a comprehensive Part Number/Description Index for easy lookup of components. It is designed for service personnel and technicians to accurately identify and procure parts.