Introduction

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This User’s Guide describes the 21555 PCI-to-PCI nontransparent Bridge Evaluation Board which is referred to as the DE1B55503.

1.1Overview

The DE1B55503 is a PCI expansion board that is used to evaluate the operation of the 21555 when it is used as a gateway to an intelligent subsystem. The subsystem can use a variety of PCI devices and local processors. The DE1B55503 can be used to:

•Develop initialization code to configure the 21555 and associated logic and devices on the local PCI bus as an intelligent controller.

•Evaluate the operation of the 21555 with a variety of PCI devices configured in an intelligent subsystem.

•Build and evaluate a system using synchronous and asynchronous clocking.

•Test features:

—Intelligent Input/Output (I2O) transactions.

—Power management features.

—Vital Product Data (VPD) support.

1.2Features

The DE1B55503:

•Complies fully with the protocol and electrical standards of the PCI Local Bus Specification, Revision 2.3.

•Includes a 21555 “nontransparent” PCI-to-PCI Bridge that provides bridging between two processor domains.

•Includes a host PCI interface that plugs into any 5V PCI option card slot.

•Provides three local bus 5V PCI bus option card slots. Slot 1 (see Figure 1 on page 6) may be used as a local processor or system slot.

•Includes support, products, and documentation.

21555 PCI-to-PCI Bridge Evaluation Board User’s Guide

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Intel 21555 manual Introduction, Overview, Features
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21555 specifications

The Intel 21555 is a prominent microprocessor developed by Intel, designed to cater to a variety of computing needs. This processor marks a significant step forward in Intel's lineup and underscores the company's commitment to advancing technology in personal computing, enterprise solutions, and beyond.

One of the standout features of the Intel 21555 is its advanced architecture. It utilizes a multi-core design, enabling improved performance through parallel processing. This architecture allows multiple applications to run seamlessly without a decline in speed. The cores are built on a cutting-edge manufacturing process that enhances energy efficiency while maintaining high clock speeds.

The Intel 21555 supports a wide range of technologies, including Intel Turbo Boost, which enables dynamic adjustments to the processor’s performance based on workload demands. This feature allows the processor to accelerate its speed during intensive tasks, providing users with a responsive experience when it matters the most.

Another key characteristic of the Intel 21555 is its support for integrated graphics. With Intel UHD Graphics technology, users can enjoy enhanced visuals for everyday tasks such as video playback, web browsing, and light gaming. This eliminates the need for a separate graphics card for many users, particularly in home office or light gaming scenarios.

Security is a significant focus in the design of the Intel 21555. It includes built-in hardware-based security features like Intel Trusted Execution Technology and Secure Boot. These features help protect against various types of threats, ensuring that user data remains secure from malicious attacks.

The Intel 21555 is also optimized for use with Intel's platform technologies, including Intel Optane memory and Intel Rapid Storage Technology. These technologies work together to deliver faster boot times and improved system responsiveness, making computing more efficient for users.

Furthermore, the Intel 21555 is designed to support virtualization technologies, allowing multiple operating systems to run concurrently without compromising performance. This is particularly useful for developers and businesses that rely on virtualization for testing and development environments.

In summary, the Intel 21555 is a powerful and versatile processor that reflects Intel's ongoing innovation in the computing space. With its multi-core architecture, enhanced graphics capabilities, strong security features, and advanced technologies, it stands out as an excellent choice for a wide range of applications, serving both casual users and professionals alike.
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