BA42A DSSI Storage Expander IPB

This document is an Illustrated Parts Breakdown (IPB) manual for the Digital Equipment Corporation BA42A DSSI Storage Expander.

Its primary purpose is to help users identify specific parts and their locations within the hardware product. It achieves this by combining visual representations (figures with numbered callouts) with a detailed Parts List.

Key features and sections include:

• How to Use the IPB: Instructions for finding parts using figures and the associated parts list.
• Parts List: A comprehensive table listing each component by figure and item number, description (including whether it's a subassembly), Digital/Vendor part number, ECO cut-in details, and usage codes for product variations.
• Part Number/Part Description Index Section: Described as a section (though not fully shown in the provided excerpt) for looking up items numerically by part number or alphabetically by description.
• ECO/Revision History: A table providing version control information, including assembly, initial/current levels, and printing date (December 30, 1992).
• Illustrations: Page 3 features an exploded view of the "Unit Assembly, BA42" (Figure 1) with numerous numbered components.

The manual also contains standard legal disclaimers regarding product specifications, errors, rights, and trademarks, along with a reader's comments form for feedback.