Intel 21555 manual Switches and Jumper, Devices

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Introduction

Note: See Table A-2 on page 24 for Mictor pinouts.

1.3.2Switches and Jumper

The DE1B55503 uses a combination of DIP switch, stake-pin and zero ohm resistor jumpers to control the various configuration options. See Section 1.4, Section 1.5, and Section 1.6 for information.

•J8 is a single stake pin jumper. See Section 1.5 for information.

•J9, J20, and J21 are five-switch switch packs. The dual-pole switches are labeled SW1 through SW5. They control the options at power up such as the direction of the REQ# and GNT# lines, the on-board parallel ROM functions, and the enabling of the asynchronous clock options for the local bus. See Section 1.4 for information.

•Figure 3 on page 10 identifies the location of each configuration jumper.

1.3.3Devices

•E1 is the voltage regulator that produces the 3.3 and 5 V clamping signal. See Section 1.6.2.

•E2 is the 21555 PCI-to-PCI Bridge.

•E3 is the clock buffer.

•E4 is the serial ROM (SROM).

•Y1 is a 33.333 MHz crystal oscillator that can be used for an independent local clock signal.

•E5 is the Parallel ROM. This device is nonvolatile EEPROM. See Section 2.3.2, “Programming the Flash ROM” on page 18.

•E7, E8, and E9 are address latches.

•E6 (not shown) is the empty socket for attaching a ROM emulator.

•L1 is a LED that indicates the status of the LOO bit (LED On or Off bit) which is switched through software. This LED can light if jumper J8 is installed.

•L2 is a LED that indicates DE1B55503 5Vdc power status.

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

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Contents User’s Guide PCI-to-PCI Bridge Evaluation BoardPCI-to-PCI Bridge Evaluation Board User’s Guide Contents Tables Introduction FeaturesOverview Major Components ConnectorsDevices Switches and JumperSwitches Switch SettingsStake-Pin Jumper a DIP Switch OperationSwitch Switch Controls Reference Information Pack Stake-Pin JumperJumper Resistors Resistor JumpersVoltage Clampa Clock ConfigurationClock Configuration Jumpers Clamping VoltageType Device Configuration NumberingSecondary Slot Numbering and Idsel Mapping Slot and Idsel MappingInterrupt ORing Interrupt RoutingDevice Number Interrupt Pin on Interrupt Pin on Board DE1B55503 with One Local Bus Option Card Typical ConfigurationsDE1B55503 with Two Local Bus Option Cards Page Hardware Requirements Operations and InstallationSoftware Requirements Programming the Flash ROM Switch Operation for Srom programmingSwitch Switch Up Description Pack Down Programming the SromSwitch Operation for Flash programming Installation ProcedureSwitch Switch Down Switch Up a Description Pack Interrupt ORing Central Function and Arbiter Control Optional ConfigurationsPicmg Configuration J9 Picmg SwitchesSwitch Switch Down Switch Up Description Pack External Arbiter Switch OptionAsynchronous Clocking Schematic Mictor Signal and Default InformationJ2 J4, J5, and J6 Connector Pinouts Table A-1. J2 Connector Secondary AD SignalsTable A-3. J5 CBE, REQ, and GNT Table A-2. J4 Pin AssignmentsTable A-4. J6, Parallel ROM and Control Table A-6. Switch Pack Factory Defaults Jatag Connector PinoutFactory Default Switch and Jumper Configuration Table A-5. J1 Jatag Connector
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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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