Blue jumpers on the motherboard, what are they for? [closed]
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Improve the questionI found such jumpers on the motherboard, and it became interesting. What is it? what are they called? what are they for? where exactly should I insert them? why not on all motherboards are they located?
2 answers
In the image:
Left - Clear RTC, resets the CMOS (BIOS) settings.
Right-switches the system unit to the +5VSB(Standby) mode in which the 5V bus is powered even when the computer is turned off (for Wake-on-Mouse/Keyboard/Lan functions)
The documentation for a specific motherboard will describe the functionality of each position for the jumper.
These are jumpers (the literal translation of the word jumper, there is a hard-core slang - "jumper"). They are used for various settings, but the most popular jumper right now is probably resetting the CMOS (required if you can't enter the BIOS, for example, if the processor overclocks unsuccessfully). Previously, jumpers were more common, but now most of the settings have gone into the BIOS and are controlled programmatically, which is incomparably more convenient.