that allows the microprocessor to com- municate with controllers for all the various peripheral devices connected to the computer. Your computer also con- tains an address bus and a data bus for communications between the micro- processor and RAM.

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Eight contiguous bits of information, the basic data unit used by your computer.

%=7

Abbreviation for Bundesamt fur Zulassun- gen in der Telekommunikation.

&

Abbreviation for Celsius.

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To facilitate quicker data retrieval, a stor- age area for keeping a copy of data or instructions. For example, your comput- er’s BIOS may cache ROM code in faster RAM. Or, a disk-cache utility may reserve RAM in which to store frequently access- ed information from your computer’s disk drives; when a program makes a request to a disk drive for data that is in the cache, the disk-cache utility can retrieve the data from RAM faster than from the disk drive.

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On the bottom of an expansion card, the metal-contact section that plugs into an expansion-card connector.

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Abbreviation for cold cathode fluorescent tube.

&'￿520

Abbreviation for compact disc read-only memory. CD-ROM drives use optical technology to read data from compact discs. Compact discs are read-only stor- age devices; you cannot write new data to a compact disc with standard CD-ROM drives.

&*$

Abbreviation for color graphics adapter.

FP

Abbreviation for centimeter(s).

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Acronym for complementary metal-oxide semiconductor. In computers, CMOS memory chips are often used for NVRAM storage.

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The MS-DOS device names for the first through fourth serial ports on your com- puter are COM1, COM2, COM3, and COM4. MS-DOS supports up to four serial ports. However, the default interrupt for COM1 and COM3 is IRQ4, and the default interrupt for COM2 and COM4 is IRQ3. Therefore, you must be careful when con- figuring software that runs a serial device so that you don’t create an interrupt conflict.

&21

The MS-DOS device name for the con- sole, which includes your computer’s keyboard and text displayed on the screen.

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When you boot your computer, MS-DOS runs any commands contained in the text file, config.sys (before running any com- mands in the autoexec.bat file). A config.sys file is not required to boot MS-DOS, but provides a convenient place to run commands that are essential for setting up a consistent computing environ- ment—such as loading device drivers with a device= statement.

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A chip or expansion card that controls the transfer of data between the micro- processor and a peripheral, such as a disk drive or the keyboard.

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The first 640 KB of RAM. Unless they are specially designed, MS-DOS programs are limited to running in conventional memory. See also EMM, expanded mem- ory, extended memory, HMA, memory manager, upper memory area, and XMM.

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A coprocessor relieves the computer’s microprocessor of specific processing tasks. A math coprocessor, for example,

Glossary 3

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4350 specifications

The Dell PowerEdge R4350 is a versatile 2U rack server designed to meet the demands of modern data centers, particularly those requiring a compact yet powerful solution. Tailored for businesses seeking efficient performance in various applications, this server balances exceptional processing power, memory, and storage flexibility.

One of the standout features of the R4350 is its dual Intel Xeon Scalable processors, which dramatically improve performance with up to 28 cores per processor. This scalability enables enterprises to handle a wide range of workloads, from virtualized environments to in-memory databases and analytics. The server supports up to 1.5TB of DDR4 memory, allowing for extensive data processing and quick access to information, a crucial factor for operations requiring high availability and responsiveness.

The R4350's flexible hard drive configuration further enhances its appeal. It accommodates up to ten 2.5-inch drives or four 3.5-inch drives, providing users with various storage options to suit different requirements. With support for both SAS and SATA drives, users can prioritize performance or capacity, depending on their specific use cases. The server also supports RAID configurations, contributing to data integrity and redundancy.

In terms of connectivity, the Dell R4350 features multiple PCIe slots, enabling users to expand their systems with additional I/O options or enhance capabilities with accelerator cards, such as GPUs, to support high-performance computing workloads. The integrated 10GbE networking capabilities ensure fast data transfer and seamless integration into existing infrastructures.

The R4350 is designed with manageability and security in mind. Featuring Dell EMC OpenManage technology, it offers a user-friendly interface for monitoring and managing hardware components efficiently. Security is bolstered through features like Secure Boot and hardware TPM, providing peace of mind regarding data protection.

Additionally, the PowerEdge R4350 integrates advanced thermal management technologies for efficient cooling, ensuring optimal performance even under heavy workloads. Its compact 2U design allows for easy installation in various rack environments, maximizing space utilization without sacrificing processing capabilities.

In summary, the Dell PowerEdge R4350 combines powerful processing, expansive memory, versatile storage options, and advanced management capabilities, making it a formidable choice for businesses looking to enhance their IT operations. With its focus on performance, reliability, and security, the R4350 stands out as a robust solution for the ever-evolving demands of modern computing.
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