Home ยป A multi power supply for your desk from a PC power supply

-12v

Submitted by brad on Fri, 2006-07-21 10:56.

Don’t know about -5v but RS232 still uses -12v and you still find serial ports, at least one, on desktop PCs. Laptops have pretty much given up on them. Desktop motherboards have headers on them even when there’s no port at back.

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