Installing HSZ80 DIMMs

This document outlines the procedures for adding or replacing DIMMs in the HSZ80 cache module, which supports 64MB, 128MB, 256MB, and 512MB memory configurations. It provides specific instructions for both Dual-Redundant and Single Controller configurations, including:

• Safety Precautions: Strong emphasis on ESD safety and proper handling of external cache batteries (ECB).
• Dual-Redundant Procedures: Step-by-step guide on using the FRUTIL utility to quiesce ports, disable failover, and manage controller modules.
• Single Controller Procedures: Steps to safely shut down the controller, dismount logical units, and power down the subsystem.
• Installation/Removal: Detailed steps for inserting or removing DIMMs into the memory sockets.
• Technical Specifications: A configuration table mapping memory size and DIMM quantities to specific memory slots.