返回目录页面

计算机概览

Dell Precision™ 490 工 作 站 用户指 南

正面视图(塔式放置方式)

背面视图(塔式放置方式)

背面板连接器

正面视图(台式放置方式)

背面视图(台式放置方式)

内部视图

系统板组件

正面视图(塔式放置方式)

1

上部 5.25

英寸驱动器

安装 CD/DVD 驱动器。

 

托架

 

 

 

 

 

 

 

2

下部 5.25

英寸驱动器

可以使用此托架安装可选的 CD/DVD 驱动器。

 

托架

 

 

 

 

 

 

 

3

FlexBay

 

可以使用此托架安装可选的第三个硬盘驱动器(SATA 或 SAS)、软盘驱动器或介质卡读取器。

 

 

 

4

硬盘驱动器活动指示灯

硬盘驱动器指示灯在计算机从硬盘驱动器读取数据或向其写入数据时亮起。CD 播放器等设备工作时该指示灯也会亮起。

 

 

 

 

5

IEEE 1394 连接器(可

可选的 IEEE

1394 连接器用于连接高速数据设备,例如数码摄像机和外部存储设备。

 

选)

 

 

 

 

 

 

6

USB 2.0 连接器 (2)

正面的 USB 连接器用于不经常连接的设备(例如闪存或照相机)或可引导的 USB 设备(有关引导至 USB 设备的详细信息,请参阅系统设置程序)。

 

 

 

对于通常保持连接的设备(例如打印机和键盘),建议您使用背面的 USB 连接器。

 

 

 

7

Dell™ 可转动徽标

要转动 Dell 徽标以从塔式转换为台式,请:卸下前面板(请参阅卸下前面板),将其翻转并转动徽标后面的塑料手柄。

 

 

 

 

8

电源按钮

 

按下此按钮可以打开计算机电源。

 

 

 

注 意 :为避免数据丢失,请勿使用电源按钮关闭计算机,而应执行关闭操作系统操作。

 

 

 

注 :电源按钮还可以用于唤醒计算机或将其置于节能状态。有关详情,请参阅电源管理

 

 

 

 

9

电源指示灯

 

电源指示灯通过亮起、闪烁或稳定不变来表示不同的状态:

 

 

 

¡

不亮 — 计算机已关闭或处于休眠模式。

 

 

 

¡

呈绿色稳定亮起 — 计算机处于正常运行状态。

 

 

 

¡

呈绿色闪烁 — 计算机处于节能状态。

 

 

 

¡

呈琥珀色闪烁或呈琥珀色稳定亮起 — 请参阅电源问题

 

 

 

要退出节能状态,请按电源按钮,或者使用键盘或鼠标(如果该设备已在 Windows 设备管理器中配置为唤醒设备)。有关睡眠状态和退出节能状态的详细信

 

 

 

息,请参阅电源管理

 

 

 

有关指示灯代码的说明,请参阅诊断指示灯以帮助您排除计算机的故障。

 

 

 

 

10

耳机连接器

 

耳机连接器用于连接耳机。

 

 

 

 

 

Page 2
Image 2
Dell 490 manual 计算机概览, 正面视图(塔式放置方式)

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.