11

麦克风连接器

麦克风连接器用于连接个人计算机麦克风,以将语音或音乐输入至声音或电话程序。

 

 

 

12

网络链路指示灯

在计算机与 10 Mbps、100 Mbps 或 1000 Mbps(即 1 Gbps)网络连接良好时,网络链路指示灯亮起。

 

 

 

13

诊断指示灯 (4)

使用这些指示灯使您可以基于诊断代码排除计算机的故障。有关详情,请参阅诊断指示灯

 

 

 

 

 

 

背面视图(塔式放置方式)

1 电源连接

用于插入电源电缆。

 

2插卡插槽 用于连接所有已安装的 PCI 卡、PCI-X 卡或 PCI Express 卡的连接器。

注 :中间的四个插槽用于支持全长插卡:一个 PCI-X 插槽、一个 PCI Express x8 插槽(以 x4 模式连线)、一个 PCI Express x16 插槽和一个 PCI 插槽;顶部和底部插 槽用于支持半长插卡:一个 PCI-X 插槽和一个 PCI Express x8 插槽(以 x4 模式连线)。

3背面板连 用于将串行、USB 和其它设备连接至相应的连接器(请参阅背面板连接器)。 接器

背面板连接器

1

并行连接器

用于将打印机等并行设备连接至并行连接器。如果使用的是 USB 打印机,请将其连接至 USB 连接器。

 

 

注 :如果计算机检测到已安装的扩充卡包含配置为相同地址的并行连接器,则计算机将自动禁用集成并行连接器。有关详情,请参阅系统设置程序选项

 

 

 

2

输出/耳机连接器

此绿色输出连接器用于连接耳机和大多数带有集成放大器的扬声器。

 

 

对于配有声卡的计算机,请使用声卡上的连接器。

 

 

 

3

PS/2 鼠标连接器

此绿色鼠标连接器用于连接标准 PS/2 鼠标。将鼠标连接至计算机之前,请先关闭计算机和所有连接的设备。如果您使用的是 USB 鼠标,请将其插入 USB 连接器。

 

 

如果计算机运行的是 Microsoft® Windows® XP 操作系统,则硬盘驱动器上已安装了必要的鼠标驱动程序。

4链路完整性指示 绿色 — 计算机与 10 Mbps 网络连接良好。

橙色 — 计算机与 100 Mbps 网络连接良好。

黄色 — 计算机与 1000 Mbps (或 1 Gbps)网络连接良好。 不亮 — 计算机未检测到与网络的物理连接。

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Dell 490 manual 背面视图(塔式放置方式), 背面板连接器

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.