CD 和 DVD

注 意 :请始终使用压缩空气清洁 CD/DVD 驱动器中的透镜,并按照压缩空气产品附带的说明进行操作。切勿触摸驱动器中的透镜。

如果您发现 CD 或 DVD 的播放质量出现问题(例如跳盘),请尝试清洁光盘。

1.拿住光盘的外边缘,也可以触摸光盘中心孔的内边缘。

注 意 :为避免损伤表面,请勿沿光盘的圆周方向擦拭。

2.使用不起毛的软布沿着光盘中心向外边缘的直线方向轻轻擦拭光盘底面(无标签的一面)。

对于难以去除的污物,请尝试使用水或用水稀释的中性皂液。您也可以从市面上购买清洁光盘的产品,它们提供了某些保护来防止灰尘、指印和划伤。用于清洁 CD 的产品也可以用于 清洁 DVD。

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Dell 490 manual Cd 和 Dvd

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.