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清洁计算机

Dell Precision™ 490 工 作 站 用户指 南

计算机、键盘和显示器

鼠标

软盘驱动器

CD 和 DVD

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 。

计算机、键盘和显示器

警 告 :在清洁计算 机 之 前 ,请断开 计算 机与电源插座 的连接 。 用 一块蘸水 的软布清洁计算 机 。请勿 使 用 液体 或喷 雾清洁剂,它们可能含有易燃物质。

用一罐压缩空气吹去键盘上按键之间的灰尘。

注 意 :为了防止损坏防反光涂层,请勿使用皂液或酒精溶液擦拭显示屏。

要清洁显示器屏幕,请用水蘸湿干净的软布进行擦拭。也可使用适用于显示器防静电涂层的专用屏幕清洁纸巾或溶液。

用三份水和一份洗洁精兑成的混合溶液蘸湿干净的软布,擦拭键盘、计算机和显示器的塑料部分。

请勿浸泡软布或将水滴入计算机或键盘内部。

鼠标

注 意 :清洁鼠标之前,请先从计算机上断开其连接

如果屏幕光标跳动或移动异常,请清洁鼠标。

清洁非 光电鼠标

1.使用由中性清洁剂蘸湿的布清洁鼠标的外壳。

2.逆时针旋转鼠标底部的环形定位护盖,然后取出小球。

3.用不起毛的干净软布擦拭小球。

4.向小球固定框架内轻轻吹气或使用罐装压缩空气,清除灰尘和毛絮。

5.如果小球固定框架中的滚轮上有灰尘,请使用蘸有异丙醇的棉签清洁滚轮。

6.如果滚轮未对准,请将其重新对准滚轴中央。确保棉签上的绒毛没有遗留在滚轮上。

7.装回小球和环形定位护盖,顺时针旋转环形定位护盖,直至将其卡入到位。

清洁光电鼠标

使用由中性清洁剂蘸湿的布清洁鼠标的外壳。

软盘驱动器

注 意 :请勿尝试用棉签清洁驱动器磁头,否则可能会造成磁头错位,导致驱动器无法工作。

您可以使用在市面上购买的清洁套件清洁软盘驱动器。此类套件包括预处理过的软盘,用以清除正常操作过程中积聚的污物。

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Dell 490 manual 清洁计算机, 计算机、键盘和显示器, 软盘驱动器, 清洁非 光电鼠标, 清洁光电鼠标

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.