User Tools

Site Tools


DS12B887 is a battery-backed RTC (real-time clock) that was used on motherboards during mid-1990s.

When the internal battery dies, it doesn't keep time or BIOS settings any more.

I have managed to drill one of these RTCs open and resoldered + wire to use an external battery (like CR2032).

ds12b887.txt · Last modified: 2024-05-13 15:03 by jaan

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki