[feisuzhu]

I remember when I was using Windows 98, the media player [1] I was using is shipping with a tray icon which has a menu item written 'Save power when CPU is idle'[2]. It did exactly that (HLT thing). After ticking the menu, CPU just go cold.

[1]: 豪杰超级解霸2000 [2]: https://www.wendangwang.com/doc/e6d559d6f2cd9ba7007939d7/3