HSC90/60 Storage Controllers

This document is an Illustrated Parts Breakdown (IPB) for the HSC90/60 Storage Controllers, intended to help users identify specific parts and their locations within the hardware product.

It provides instructions on how to use the IPB: locate the item in a figure, find its corresponding callout number, and then reference that number in the associated parts list. The IPB is organized by figures, with major parts indicated by numeric callouts. Each parts list entry includes the figure and item number, a description (with asterisks denoting subassemblies), the Digital Equipment Corporation (DEC) part number, Engineering Change Order (ECO) cut-in information, a "Used On" code for product variations, and cross-reference figure numbers.

The document also features an ECO/Revision History table, detailing initial and current levels of assemblies and printing dates, along with references to other IPB manuals. A comprehensive Part Number/Part Description Index Section is included for numerical and alphabetical lookup of items. The content is supported by various diagrams showing detailed views of components such as mechanical assemblies, cabinet/shield assemblies, power supply assemblies, floppy drive/bracket assemblies, and door/OCP assemblies. Standard copyright, legal disclaimers, and a list of Digital Equipment Corporation trademarks are also provided.