Memory Initialization on the EBSA-285 Application Note

This document provides a brief overview of the techniques used to initialize the memory subsystem on the EBSA-285 evaluation board.

The EBSA-285 evaluation board uses 168-pin Dual In-line Memory Modules (DIMMs) for its volatile memory. These DIMMs come in different configurations and sizes, and the 21285 PCI support device can control a range of DIMMs.

This application note describes the differences between DIMMs and how to uniquely distinguish them in software.

Use this note in conjunction with the 21285 Core Logic for SA-110 Microprocessor Datasheet (order number 278115) and the EBSA-285 Evaluation Board Reference Manual (order number 278136).

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