Alpha 21066A Microprocessor Evaluation Board

This document serves as the comprehensive user guide for the Alpha 21066A Microprocessor Evaluation Board, also known as the EB66+. It is designed to assist system designers in evaluating and developing computer systems using the 21066A microprocessor. Key topics include:

• System Architecture: An overview of system components, including the 21066A CPU, memory (DRAM and Bcache), PCI, and ISA interfaces.
• Configuration: Detailed information on jumper settings, connector pinouts, and DRAM bank configurations.
• Functional Description: In-depth technical details regarding address mapping, CPU-initiated PCI cycles, interrupt handling, system clocks, power distribution, and reset/initialization logic.
• System Software: Explanations of SROM initialization, the Mini-Debugger, and how to boot various ROM images from the flash memory.
• Support: Technical specifications, power/environmental requirements, and ordering information for associated literature and products.