NOTICE: This troubleshooting procedure can destroy data stored on the hard drive. Before you proceed, back up all files on the hard drive.

1Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 167.

Depending on the results of the diagnostics test, proceed as needed through the following steps.

2Remove the bezel. See "Removing and Replacing the Optional Front Bezel" on page 64.

3If you are experiencing problems with multiple hard drives, skip to step 8. For a problem with a single hard drive, continue to the next step.

4Turn off your system, reseat the hard drive, and restart the system.

5If your system has a SAS RAID controller card, perform the following steps.

aRestart the system and press <Ctrl><C> to enter the host adapter configuration utility program.

See the documentation supplied with the controller card for information about the configuration utility.

bEnsure that the hard drive has been configured correctly.

cExit the configuration utility and allow the system to boot to the operating system.

6Ensure that the required device drivers for your controller card are installed and are configured correctly. See the operating system documentation for more information.

NOTICE: Do not perform the following step if you have a SAS RAID controller card.

7If you have the non-RAID SAS controller card, remove the hard drive and swap its drive bay location with another hard drive that is functioning properly.

If the problem is resolved, reinstall the hard drive in the original bay. See "Installing a Hot-Plug Hard Drive" on page 109.

If the hard drive functions properly in the original bay, the drive carrier could have intermittent problems. Replace the hard-drive carrier. See "Getting Help" on page 179.

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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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