However, this is not a problem if you know how to hold a soldering iron, as the YouTuber Bits und Bolts proved. He set out to create SIMM memory modules for systems based on the Intel 80386 processor ...

First off, you get a compatible RAM chip somewhere like Aliexpress – lucky for us, those come equipped with a set of balls from the factory. The default balls are made of lead-free solder ...

But sometimes a laptop manufacturer can be particularly annoying, and restrict upgradability by soldering the RAM chips directly to the board. Upgrading memory should then be impossible ...