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5If you have remote access to your system, use a remote host to access the system’s System Setup program and enable the USB ports. If remote access is not available, proceed to the next step.

If enabling the USB ports does not resolve the problem, see "Getting Help" on page 179.

6If you do not have remote access to your system, use the following procedure to set the NVRAM_CLR jumper inside your system and restore the BIOS to its default settings.

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

aTurn off the system and attached peripherals and unplug the system from the power source.

bOpen the system. See "Opening the System" on page 65.

cLocate the NVRAM_CLR jumper on your system board (see "System Board Jumpers" on page 171) and set the jumper to the enabled position.

dClose the system. See "Closing the System" on page 66.

eReconnect the system and peripherals to power and restart.

If the mouse and keyboard are operational, proceed to the next step.

If the mouse and keyboard are still not operational, see "Getting Help" on page 179.

fRepeat step 2 and step b.

gSet the NVRAM_CLR jumper to the disabled position.

hClose the system.

iReconnect the system to power and restart the system and attached peripherals.

jEnter the System Setup program and reenter any custom BIOS settings that were reset. Be sure to leave all USB ports enabled.

Troubleshooting Your System

147 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.

Dell R905, HX574 owner manual 147

Models: R905 HX574

R905, HX574 specifications