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If the problem persists, see "Getting Help" on page 179.

Troubleshooting Your System

Enter the System Setup program and reenter any custom BIOS settings that were reset. Be sure to leave all USB ports enabled. See "Using the System Setup Program" on page 43.

Reconnect the system and peripherals to power and restart.

g Set the NVRAM_CLR jumper to the disabled position. h Close the system.

i j

Repeat step 2 and step b.

If the problem is resolved, the problem was likely caused by an overcurrent event on one of the USB devices. If the problem persists, attempt to isolate the faulty device by trying different USB configurations.

If the problem is not resolved, proceed to the next step.

4 Reset the system BIOS to the default settings by setting the NVRAM _CLR jumper inside your system. Use the following procedure.

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.

a Turn off the system and attached peripherals and unplug the system from the power source.

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

c Locate the NVRAM_CLR jumper on your system board (see "Figure 6-1) and set the jumper to the enabled position.

d Close the system. See "Closing the System" on page 66.

e Reconnect the system and peripherals to power and restart. If all USB devices are operational, proceed to the next step.

If the USB devices are still not functioning, see "Getting Help" on page 179.

Restart the system and reconnect the USB devices.

150 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 HX574, R905 owner manual 150

Models: R905 HX574

R905, HX574 specifications