Dell Precision 620 Manuel d'utilisateur télécharger pdf (Page 92)

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Introduction:DellPrecision™WorkStation620SystemsUser'sGuide

Overview

Dell Precision 620 systems are high-speed, upgradeable workstations, designed around Intel®Pentium®IIIXeon™microprocessors.These

systems support the high-performance Peripheral Component Interconnect (PCI) bus and the accelerated graphics port (AGP) bus. One of the 32-

bit PCI slots has a port extension that supports an optional redundant array of independent disks (RAID) card.

This section describes the major hardware and software features of the system and provides information you need to reinstall the operating

system, if necessary. It also provides information about the indicators and controls on the computer's front panel and discusses connecting external

devices to the computer.

System Features

The system offers the following features:

l An Intel Pentium III Xeon microprocessor. The following processor options are available:

Single or dual Pentium III Xeon processor(s) with a front-side bus external speed of 133 megahertz (MHz).

TheIntelPentiumIIIXeonprocessorincludesMMX™technologydesignedtohandlecomplexmultimediaandcommunicationssoftware.

This processor incorporates a new instruction set called Streaming SIMD Extensions (SSE). SSE allows the microprocessor to process

multiple data elements in parallel, thereby improving system performance when you are running application programs written to take

advantage of MMX technology. The SSE instruction set is made up of more than 70 new instructions and includes floating-point single

instruction, multiple data (SIMD) to enhance 3D display performance and other multimedia capabilities.

The Intel Pentium III Xeon processor also includes the new processor serial number feature, which uniquely identifies each Pentium III

processor. This feature can be enabled or disabled (default) (see CPU Serial Number in System Setup Options).

The Intel Pentium III Xeon processor has a 16-kilobyte (KB) internal data cache and a 16-KB internal instruction cache, an internal math

coprocessor, and other advanced internal logic.

l A secondary cache of static random-access memory (SRAM) integrated in the microprocessor.

l Dual-processor capability. The system can be purchased with two processors. If your system has one processor, you can install a second

Intel Pentium III Xeon processor (operating at the same speed as the installed processor), which you can purchase as a kit from Dell. Dual

processing improves performance under operating systems that support multiprocessing, such as Microsoft

Windows NT

4.0.

l Self-Monitoring Analysis and Reporting Technology (SMART) support, which warns you at system start-up if the hard-disk drive may be

becoming unreliable. To take advantage of this technology, you must have a SMART-compliant hard-disk drive in the computer. All enhanced

integrated drive electronics (EIDE) and small computer system interface (SCSI) hard-disk drives shipped with Dell Precision 620 systems

are SMART-compliant.

l A 32-bit integrated Crystal CS4614 PCI SoundFusion audio controller that is Sound Blaster Pro-compatible and supports Microsoft

DirectSound, DirectSound3D, and wavetable synthesis. See "Using the Integrated Audio Controller" for details.

l System memory of up to 2 gigabytes (GB). Your system has dual Rambus dynamic random-access memory (RDRAM) Rambus in-line

memory modules (RIMMs). The memory expansion cards (MEC) support up to eight RIMMs (four modules on each of two channels, A and

B).MECssupportmodulesinanypairedcombinationof64-, 128-, 256-, or 512-megabyte (MB) module density. See "Adding Memory" for

details on installing additional memory.

The memory subsystem also provides error checking and correction (ECC) capability, which corrects all single-bit memory errors and

detects all double-bit errors.

l The system's basic input/output system (BIOS), which resides in flash memory and can be upgraded remotely or by diskette if required.

Overview

Front Panel

System Features

Back Panel

Important Note to Microsoft Windows NT 4.0 Users

Getting Help

NOTE: Dell Precision WorkStation 620 systems do not support the 16-bit Industry-Standard Architecture (ISA) bus.

NOTE: Dell Precision WorkStation 620 systems support 2.8-volt (V) processor cartridges only.

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Dell Precision 620 Manuel d'utilisateur Page 92

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