KDM70 Controller

This document is a comprehensive user guide for the KDM70 controller, a member of the Digital Storage Architecture (DSA) family. It covers key topics including:

• General Information: Overview of features, DSA integration, performance optimization (e.g., dual data channels, seek ordering), and data integrity features (EDC, ECC, bad block replacement).
• Installation: Detailed procedures for installing the controller module set (T2022 and T2023 modules) in an XMI backplane, including XMI slot requirements, electrostatic discharge (ESD) precautions, and cabling installation.
• Customer Acceptance and Verification: Procedures for verifying controller functionality using built-in diagnostics like the KDM70 Module Internal Self-Tests (MIST) and the KDM70 InLine Exerciser (ILEXER) on VAX, VMS, and ULTRIX systems.
• Code Update Utility: Instructions for using the EVRLM utility to update controller firmware, including troubleshooting common error codes.