8Close the system. See "Opening the System" on page 65.

9Reconnect the system to power and restart the system.

Removing the NIC Daughter Card

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.

2Open the system. See "Opening the System" on page 65.

3If you have expansion cards installed in slots 6 and 7, you must remove the cards temporarily to remove the NIC card. See "Removing an Expansion Card" on page 80.

4Pull back slightly on the two blue retention standoff tabs at the front edge of the card and gently lift the edge of the NIC card off of the standoffs.

As the card releases from the standoffs, the connector under the NIC card disengages from the system board connector.

5Slide the card back from the two support standoffs and lift the card out of the system.

System Memory

You can upgrade your system memory to a maximum of 128 GB (two- processor configurations) or 256 GB (four-processor configurations) by installing sets of 512-MB, 1-GB, 2-GB, 4-GB, or 8-Gb (when available) memory modules. 667-MHz registered DDR-II memory modules are supported in all memory sizes. 2-GB and 4-GB (when available) 800-Mhz memory modules are also supported in restricted configurations.

Sixteen memory sockets are located on the system board under the cooling shroud assembly. In four-processor systems, sixteen additional sockets are located on the processor expansion module board (PEM). Each processor has two memory channels, organized in sets of four memory module slots per channel.

Installing System Components

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Dell R905, HX574 owner manual System Memory, Removing the NIC Daughter Card
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R905, HX574 specifications

The Dell HX574 R905 server is a robust solution designed for enterprises that demand high performance and reliable scalability. Part of Dell’s PowerEdge lineup, the R905 addresses the requirements of virtualization, cloud computing, and large-scale data processing, making it an attractive choice for various workloads.

One of the notable features of the Dell HX574 R905 is its powerful multi-core processors. Equipped with AMD Opteron processors, it offers up to 16 cores per CPU, allowing for exceptional multi-threading capabilities. This architecture is designed to enhance performance across multiple applications, making it suitable for environments that require significant processing power. The server supports several configurations, enabling businesses to tailor the processing capabilities based on their specific needs.

Memory capacity is another defining characteristic of the R905. The server can support up to 256 GB of RAM, utilizing DDR2 technology. This high memory capacity facilitates running memory-intensive applications smoothly, enabling businesses to maximize their productivity. The server is equipped with eight DIMM slots, giving administrators flexibility in memory expansion.

In terms of storage, the Dell HX574 R905 provides a range of options, supporting both SAS and SATA drives. This allows organizations to achieve a balance between performance and cost-efficiency. With the capacity to house up to 16 drive bays, the R905 ensures that there is ample storage space for high-demand database and application workloads.

The server also features advanced virtualization capabilities. With support for virtualization technologies like VMware and Microsoft Hyper-V, the R905 enables businesses to optimize their resource usage, running multiple virtual machines on a single physical server. This can significantly reduce hardware costs and improve energy efficiency.

Power management is another highlight of the Dell R905. It comes with various energy-efficient features, including the ability to dynamically allocate power based on workload demands. This capability helps organizations to lower their operational costs while ascertaining high availability.

In conclusion, the Dell HX574 R905 server stands out due to its powerful processors, extensive memory support, flexible storage options, and advanced virtualization capabilities. It is a versatile platform for businesses looking to optimize their IT infrastructure while maintaining scalability and efficiency. As demands continue to grow, the R905 remains a reliable choice for organizations seeking to enhance their computing capabilities.
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