Dell Precision 610 Operator's manual

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Throughout this guide, blocks of text may be accompanied by an icon and printed in
bold type or in italic type. These blocks are notes, notices, and cautions, and they are
used as follows:
NOTE: A NOTE indicates important information that helps you make better use of
your computer system.
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____________________
Information in this document is subject to change without notice.
© 1999 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer
Corporation is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Dell Precision are trademarks of Dell
Computer Corporation; Microsoft and Windows NT are registered trademarks of Microsoft Cor-
poration; Intel and Pentium are registered trademarks and MMX and Xeon are trademarks of Intel
Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities
claiming the marks and names or their products. Dell Computer Corporation disclaims any propri-
etary interest in trademarks and trade names other than its own.
April 1999 P/N 4271E Rev. A05

Dell Precision WorkStation 610 Mini Tower Systems Documentation Update1-1
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This document updates information contained in the Dell Precision WorkStation 610
Mini Tower Systems User’s Guide.
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Dell Precision WorkStation 610 systems now feature Intel Pentium II Xeon and Intel
Pentium III Xeon microprocessors.
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Consistent with other processors used in the product line, the Intel Pentium II Xeon
processor includes MMX technology, a 32-kilobyte (KB) level 1 (L1) cache, a 512-KB
level 2 (L2) cache, and an integrated math coprocessor.
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The Intel Pentium III Xeon processor uses a new instruction set known as streaming
single instruction, multiple data (SIMD) extensions. The SIMD extensions instruction
set is made up of more than 70 new instructions and includes floating-point SIMD to
enhance 3D display performance and other multimedia capabilities.
The Pentium III Xeon processor also includes MMX technology and an L2 cache.
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If you ordered your Dell Precision system with a Pentium III Xeon processor, the pro-
cessor serial number feature is disabled in the basic input/output system (BIOS) by
default. If you want to enable the processor serial number feature, you must use the
Dell utility SN_ONOFF.exe. You can download SN_ONOFF.exe from the Dell Web
site at http://www.dell.com.

1-2 Dell Precision WorkStation 610 Mini Tower Systems Documentation Update
If you want to read the processor serial number, you must use the Processor Number
Control Utility (PNCU) from Intel. You can download the PNCU from http://
www.dell.com. The PNCU reads the processor serial number and reports whether
the processor serial number feature is enabled or disabled by the system BIOS.
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If you ordered your Dell Precision system with a Pentium III Xeon processor, the
Microsoft Windows NT 4.xoperating system, and Service Pack 3, your system func-
tions normally and benefits from the higher clock speed and the cache/memory
management improvements offered by the Pentium III Xeon processor. However,
your system cannot take advantage of the new SIMD extensions instruction set. To
use the SIMD extensions instruction set, you must install Windows NT 4. xService
Pack 4 and the Intel streaming SIMD extensions (SSE) instruction set driver. You can
download Windows NT Service Pack 4 from the Microsoft Web site at http://
www.microsoft.com and the Intel SSE driver from http://www.dell.com.
If you ordered your Dell Precision system with a Pentium III Xeon processor,
Windows NT 4.x, and Service Pack 4, the Intel SSE driver required to take advantage
of the SIMD extensions instruction set was also factory installed. A Windows NT
Service Pack 4 CD is included with your system should you need to reinstall
Windows NT. The Intel SSE driver is one of the drivers copied when you run the Dell
Program Diskette Maker program included with the system. You must make backup
driver diskettes. You need these diskettes to reinstall the drivers if you reinstall the
Windows NT 4.xoperating system.
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To take full advantage of the benefits offered by the Pentium II Xeon and Pentium III
Xeon processors, your Dell Precision 610 system must use an appropriate BIOS
version.
If your system has a factory-installed Pentium II Xeon or Pentium III Xeon processor,
an appropriate BIOS version was also factory installed.
If you need to restore or upgrade your system BIOS, download the most recent ver-
sion from the Dell Web site at http://www.dell.com.
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Dell Precision WorkStation 610 Mini Tower Systems Documentation Update1-3
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For your convenience, the documentation that accompanied your Dell Precision
WorkStation is available online. The Dell Precision WorkStation 610 Mini Tower Sys-
tems Help can be a handy reference tool as you work on your desktop. It allows you
to search for information in multiple ways and to link quickly to related topics.
To open the Help, click the Start button, point to Programs> Dell Documents, and
click Dell Precision WorkStation 610 Mini Tower Systems Help .
You may also double-click the Dell Documentation icon on the Windows desktop,
click System Information, and then click Dell Precision WorkStation 610 Mini
To w e r S y s t e m s H e l p .

1-4 Dell Precision WorkStation 610 Mini Tower Systems Documentation Update

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