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Dell Precision™ 490 工 作 站 用户指 南

诊断指示灯

哔声代码

错误信息

Dell 诊断程序

驱动程序

还原操作系统

解决软件与硬件不兼容的问题

诊断指示灯

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 。

为帮助您排除故障,计算机前面板上配备了四个指示灯,分别标有“1”、“2”、“3”和“4”。这些指示灯可以“不亮”或呈绿色。计算机正常启动时,指示灯将闪烁。如果计算机出现故 障,则可以通过指示灯的显示方式和电源按钮指示灯的显示方式来帮助识别问题。这些指示灯也可表示睡眠状态。

POST 之 前诊断指 示灯代码

诊断指 示灯

电源 指 示灯

问 题 说明

建议的 解决方 法

 

 

 

 

 

不亮

计算机未连接电源。

请将计算机连接至电源插座。确保前面板电源指示灯亮起。如果电源指示灯不亮,请确保计算机已

 

 

 

连接至可正常工作的电源插座,然后按电源按钮。

 

 

 

如果问题仍未解决,请与 Dell 联络寻求技术帮助(请参阅与 Dell 联络)。

 

 

 

 

 

不亮

计算机处于正常关闭状态;计算机已连接至电源

按电源按钮打开计算机电源。

 

 

插座。

 

 

 

 

如果计算机未打开,请确保前面板电源指示灯已亮起。如果电源指示灯不亮,请确保计算机已连接

 

 

 

至可正常工作的电源插座,然后按电源按钮。

 

 

 

如果问题仍未解决,请与 Dell 联络寻求技术帮助(请参阅与 Dell 联络)。

 

 

 

 

 

呈绿色闪烁

计算机处于节能或“睡眠”状态。

使用适当的方法“唤醒”计算机。请参阅高级功能

 

 

 

如果尝试使用 USB 鼠标或键盘唤醒计算机,但问题仍未解决,请使用可正常工作的 PS/2 鼠标或键

 

 

 

盘替换该鼠标或键盘,然后尝试唤醒计算机。

 

 

 

 

 

呈绿色闪烁

计算机处于节能或“睡眠”状态。

使用适当的方法“唤醒”计算机。请参阅高级功能

 

 

 

如果尝试使用 USB 鼠标或键盘唤醒计算机,但问题仍未解决,请使用可正常工作的 PS/2 鼠标或键

 

 

 

盘替换该鼠标或键盘,然后尝试唤醒计算机。

 

 

 

 

 

琥珀色

未执行 BIOS。

确保处理器已正确就位,然后重新启动计算机(请参阅处理器)。

 

 

 

如果问题仍未解决,请与 Dell 联络寻求技术帮助(请参阅与 Dell 联络)。

(闪烁)

 

 

 

 

 

 

 

 

呈琥珀色闪

可能是电源设备或电源电缆出现故障。

执行电源问题中的步骤。

 

 

 

 

 

 

如果问题仍未解决,请与 Dell 联络寻求技术帮助(请参阅与 Dell 联络)。

(闪烁)

 

 

 

 

 

 

 

 

琥珀色

可能是系统板出现故障。

与 Dell 联络寻求技术帮助(请参阅与 Dell 联络)。

(闪烁)

 

 

 

 

 

 

 

(闪烁)

琥珀色

处理器不匹配。

请参阅故障排除提示,然后查阅内存问题电源问题

 

 

 

 

 

琥珀色

检测到可能在图形提升卡或内存提升卡之类的插

验证所有必需的电源电缆是否均已连接至内存提升卡和图形提升卡。

 

 

入式组件中出现故障。

 

 

 

 

执行电源问题中的步骤。

(闪烁)

 

 

 

 

 

 

 

 

琥珀色

可能是电源出现故障。

验证两根电源电缆是否均已插入母板。

(闪烁)

 

 

 

 

 

 

 

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Dell 490 manual 有助于解决问题的工具, 诊断指示灯, Post 之 前诊断指 示灯代码, 建议的 解决方 法

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.