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开始之前

Dell Precision™ 490 工 作 站 用户指 南

建议工具

关闭计算机电源

拆装计算机内部组件之前

本章介绍了卸下和安装计算机中组件的过程。除非另有说明,否则将假设在执行每个过程时均满足下列条件:

已经执行关闭计算机电源拆装计算机内部组件之前中的步骤。

已经阅读 Dell™《产品 信 息 指 南 》中的安全信息。

建议工具

执行本说明文件中的步骤时可能需要使用下列工具:

小型平口螺丝刀

梅花槽螺丝刀

快擦写 BIOS 更新程序 CD

关闭计算机电源

注 意 :为避免数据丢失,请在关闭计算机之前,保存并关闭所有打开的文件,并退出所有打开的程序。

1.关闭操作系统:

a.保存并关闭所有打开的文件,退出所有打开的程序,单击“Start”(开始 )按钮,然后单击“Turn Off Computer”(关 闭 计算 机 )

b.“Turn Off computer”(关 闭 计算 机 )窗口中,单击“Turn off”(关 闭)

关闭操作系统过程结束后,计算机将关闭。

2.确保计算机和所有连接的设备的电源均已关闭。如果您关闭操作系统时计算机和连接的设备未自动关闭,请将它们关闭。

拆装计算机内部组件之前

遵循以下安全原则有助于防止您的计算机受到潜在的损害并有助于确保您的人身安全。

警 告 :开始执行 本节中 的 任 何步骤之 前 ,请 阅 读并遵 循《产品 信 息 指 南》中 的 安 全说明 。

注 意 :处理组件和插卡时应小心。请勿触摸组件或插卡上的接点。持卡时应拿住插卡的边缘或其金属固定支架。持拿处理器等组件时,请拿住其边缘,而不要拿插针。

注 意 :只有许可的维修技术人员才能对您的计算机进行维修。未经 Dell 授权进行维修所导致的损害不在保修范围内。

注 意 :断开电缆连接时,请握住电缆连接器或其张力释放拉环将其拔出,而不要硬拉电缆。某些电缆的连接器带有锁定卡舌;如果要断开此类电缆的连接,请先向内按压锁定卡舌, 然后再断开电缆的连接。拔出连接器时,请保持连接器水平,以免弄弯连接器插针。此外,连接电缆之前,请确保两个连接器的朝向正确并对齐。

注 意 :为避免损坏计算机,在拆装计算机内部组件之前,请先执行以下步骤。

1.关闭计算机电源(请参阅关闭计算机电源)。

注 意 :要断开网络电缆的连接,请先从计算机上拔下网络电缆,再将其从网络设备上拔下。

2.断开计算机上连接的所有电话线或网络电缆。

3.断开计算机和计算机连接的所有设备与电源插座的连接。

4.按电源按钮以导去系统板上的残留电量。

警 告 :为防 止触电,请始终在 打开主 机盖之 前断开 计算 机与电源插座 的连接 。

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Dell 490 manual 开始之前, 建议工具, 关闭计算机电源, 拆装计算机内部组件之前

490 specifications

The Dell PowerEdge 490 is a versatile and robust server designed to meet the demands of small to medium-sized enterprises. This server combines powerful performance with advanced features, making it suitable for various applications, from data storage to running critical applications.

One of the standout features of the Dell 490 is its support for dual Intel Xeon processors. The Xeon architecture provides exceptional processing power, enabling the server to handle complex tasks and multiple workloads simultaneously. This dual-processor capability is essential for businesses that require high availability and performance in their server operations.

The PowerEdge 490 supports up to 32 GB of DDR2 SDRAM, allowing for efficient multitasking and improved data access speed. The server's memory capacity ensures that it can support applications that require substantial RAM, which is increasingly important in today's data-driven environments.

Storage options are another highlight of the Dell 490. It features multiple drive bays that can support SAS, SATA, or SCSI hard drives, allowing businesses to customize their storage solutions based on their specific needs. The server supports a variety of RAID configurations, including RAID 0, 1, 5, and 10, providing options for data redundancy and performance optimization.

In terms of connectivity, the Dell PowerEdge 490 is equipped with several PCI Express slots, enabling the addition of various expansion cards for enhanced functionality. Whether it’s improved networking capabilities or graphics processing, the options for customization are plentiful. This adaptability ensures that the server can evolve alongside the organization’s growing needs.

The Dell 490 also incorporates advanced energy-efficient technologies, such as power management features designed to optimize energy consumption. This not only reduces operational costs but also makes it a more environmentally friendly option for businesses concerned about their carbon footprint.

In summary, the Dell PowerEdge 490 is a reliable server that boasts a combination of powerful processing capabilities, flexible storage options, and expandability. With its energy-efficient design and robust features, it remains an excellent choice for businesses looking to enhance their IT infrastructure while ensuring performance and adaptability for the future.