d.Select the appropriate operating system (OS) and language for the computer to be updated.

e.Select FlashBIOS Updates for the download category.

f.Click Go and follow the instructions on screen to create a diskette containing the BIOS update files.

NOTE: For some Dell systems, you are given a choice to create a diskette con- taining the BIOS update files or to download a file you can use from the hard drive. Select the choice to use the file that creates an installation diskette.

2.Insert the BIOS update diskette into the diskette drive of the computer to be updated. Then restart the computer.

The computer automatically updates the BIOS from the diskette.

3.When the computer begins to restart and the Dell logo screen appears, remove the diskette from the diskette drive so that the computer does not boot from the diskette again.

Precautionary Measures

NOTICE: Before you upgrade the RIMMs, you must upgrade the BIOS. See “Upgrading the BIOS” on page 1-1 for instructions.

Before you perform any of the procedures in this document, read the following notice for your personal safety and to prevent damage to the system from electrostatic dis- charge (ESD).

NOTICE: The procedure in this document requires that you remove the cover and work inside your computer. Do not attempt to service the com- puter except as explained in this document and elsewhere in Dell documentation. Always follow installation and service instructions closely.

Before Removing the Cover

Before you remove the computer cover, perform the following steps in the sequence indicated.

NOTICE: To help avoid possible damage to the system board, unplug your computer system and wait 15 to 30 seconds before removing a component from the system board or disconnecting a peripheral device from the computer.

1.Turn off the computer and any peripherals.

2.Disconnect the computer and peripherals from their power sources. Also, discon- nect any telephone or telecommunication lines from the computer.

Before disconnecting a peripheral from the computer or removing a component from the system board, verify that the standby power light, located on the sys- tem board, has turned off. If it is on, you may need to wait 15 to 30 seconds for it

1-2 System Memory Upgrade

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Dell PRECISION WORKSTATION 620 manual Precautionary Measures

PRECISION WORKSTATION 620 specifications

The Dell Precision Workstation 620 is a powerful and versatile workstation designed to meet the demands of professional users in fields such as graphic design, engineering, and scientific computing. Launched in the early 2000s, the Precision 620 was developed to provide an advanced computing environment with robust performance and increased reliability, making it suitable for resource-intensive applications.

One of the key features of the Dell Precision 620 is its dual-processor configuration, supporting two Intel Xeon processors. This capability allows for enhanced multitasking and parallel processing, significantly improving performance for applications that can leverage multiple cores. The workstation offers a range of Xeon processors, enabling users to choose the right level of performance based on their specific needs.

In terms of memory, the Precision Workstation 620 supports substantial RAM configurations, with the ability to accommodate up to 8GB of ECC (Error-Correcting Code) memory. ECC memory is critical for professional applications, as it helps detect and correct data corruption, thereby enhancing the system's reliability and stability—essential in environments where data integrity is crucial.

Graphics performance on the Precision 620 is another highlight, as it features compatibility with high-end professional graphics cards, including offerings from NVIDIA and ATI. These graphics options are particularly beneficial for applications in fields such as 3D modeling, video editing, and CAD design, where advanced graphical capabilities are necessary for smooth performance and accuracy.

The design of the Precision 620 includes robust thermal management systems to ensure stable operation even under heavy workloads. The workstation's chassis is engineered for optimal airflow and cooling, which extends the lifespan of the components and maintains peak performance levels.

Connectivity options are abundant, with multiple USB ports, integrated Ethernet, and expansion slots for additional peripherals and cards. This versatility allows users to customize their workstations further tailored to their specific requirements.

Another noteworthy aspect of the Dell Precision Workstation 620 is its modular design, which facilitates easier upgrades and repairs. Whether it's adding more RAM, upgrading to a more powerful graphics card, or increasing storage capacity with additional drives, users can easily enhance their systems as their needs evolve.

Overall, the Dell Precision Workstation 620 is a solid choice for professionals seeking a powerful computing solution that offers reliability, expandability, and advanced performance capabilities. Its combination of dual-processor support, extensive memory options, high-end graphics compatibility, and robust design makes it an enduring choice in the landscape of workstation technology.