Introduction

Table 1. DIP Switch Operation

Switch

Switch

The Switch Controls

Reference Information

Pack

 

 

 

 

 

 

 

 

SW1, 2, 3

PICMG configurations. (See Chapter 3).

Table 10 on page 21

J9

 

 

 

 

 

21555 Non Transparent

 

 

 

 

SW4

PR_AD1 strapping option.

PCI-to-PCI Bridge User’s

 

 

 

Manual

 

 

 

 

 

SW5

PR_CS to either Flash or optional ROM socket.

Table 8 on page 19

 

 

 

 

J20

SW1

PR_AD2 for SROM operation.

Table 7 on page 18

 

 

SW2

PR-AD3 for lockout bit control.

 

 

 

 

 

 

 

SW3

PR_AD4 for synchronous or asynchronous clocking.

Table 14 on page 22

 

 

 

 

SW4

PR_AD5 for S_CLKO operation.

 

 

 

 

 

 

 

SW5

PR_AD6 for Central function selection.

Table 12 on page 22

 

 

 

 

J21

SW#

The REQ/GNT lines for Arbiter control.

Table 12 on page 22

(1,2,3,4,5)

Table 13 on page 22

 

 

 

 

 

 

1.5Stake-Pin Jumper

Table 2 shows the configuration and the function of the single stake-pin jumper. J8 enables the DE1B55503 hot-swap functionality, controls operation of LED L1, and connects the l_stat signal to a pullup resistor.

Table 2. Stake-Pin Jumper a

Jumper

Function

 

 

 

 

When removed, the hot-swap functionality is enabled, and L1 will light.

J8

When installed, hot-swap functionality is disabled and the L1 LED is

 

 

extinguished.

 

 

 

a.No jumper is installed by the Factory default.

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

9

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Intel 21555 manual DIP Switch Operation, Stake-Pin Jumper a, Switch Switch Controls Reference Information Pack

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.