V2EX undervolt

Undervolt

Definition / 释义

undervolt(动词,也可作名词)指在电子/计算机硬件中把处理器、显卡等的供电电压调低到默认值以下,以降低功耗与温度、减少风扇噪音;若降得过多可能导致不稳定、死机或报错
(也可指“低电压运行/欠压状态”的现象,但最常见用法是“给硬件降压”。)

Pronunciation / 发音(IPA)

/ndrvolt/

Examples / 例句

I undervolted my laptop CPU to reduce heat and fan noise.
我给笔记本电脑的 CPU 降压来降低发热和风扇噪音。

After you undervolt the GPU, run stress tests to ensure it remains stable under load.
给显卡降压之后,要跑压力测试,确保它在高负载下仍然稳定。

Etymology / 词源

由 **under-**(低于、不足)+ volt(伏特,电压单位)构成,字面意思是“低于(正常)电压”。这个词在硬件调校与电源管理语境中逐渐固定为“降压运行/降电压”的说法。

Related Words / 相关词汇

Literary Works / 文献与作品中的用例

该词更常见于技术文献与硬件调校类写作,而非传统文学作品,例如:

  • Intel 64 and IA-32 Architectures Software Developer’s Manual(涉及电源/性能管理语境时常见相关用语)
  • Linux Kernel Documentation(电源管理、CPUFreq/CPUIdle 等文档与讨论中常出现相关表达)
  • Arch Linux WikiGentoo Wiki 等系统文档(关于 CPU/GPU 调校、功耗与温度优化的条目中常见)
  • 各类硬件调校与性能优化书籍/专栏(如围绕“功耗温度稳定性”权衡的章节中常用 undervolt
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