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Dell EMC PowerEdge R440 安装和服务手册

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电源装置

注: 有关更多信息，请参阅《PowerEdge R440 技术规格》，网址：www.dell.com/poweredgemanuals。
警告: 如果安装了两个 PSU，这两个 PSU 必须具有相同类型的标签。例如，扩展电源性能 (EPP) 标签。不支持混合使用来自前几代 PowerEdge 服务器的 PSU，即使 PSU 具有相同的电源额定值。混合使用 PSU 将导致不匹配的情况，或者造成系统无法开启。
注: 如果系统中安装了两个相同的 PSU，则系统 BIOS 中配置了电源装置冗余（1+1 - 有冗余，或 2+0 - 无冗余）。在冗余模式下，如果禁用热备盘功能，系统将使用两个 PSU 供电。如果启用了热备盘，则当系统使用率较低时，其中一个 PSU 将进入睡眠模式，以便更大限度提高效率。
注: 如果使用两个 PSU，它们的最大输出功率必须相同。

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