Hello...!
Sooooo I found this really cool vintage laptop from 1990 but unfortunately, the seller is missing the power adapter AND the connector is actually quite strange and not common at all, i found an adapter but it costs £60 which is way too much for a power adapter, so i thought i'll do this my way and solder a different connector, i do have some minimal soldering experience and a soldering iron so why the heck not, the problem is that the connector has 4 pins, i found what each pin is from pictures from the power supply, they go like this:
I have no idea what "RC" and "COM" are and if they are necessary but not only that, i can't make out which pin is negative and positive from this, so maybe you guys can explain what all that is and what my options are, can i just connect power and skip the other two pins?
Since it has four pins, i thought i'd get a female USB port to replace that weird port, kind of stupid but if i can figure out the wiring, it should work, right?
Thanks, hopefully you guys can help me figure this out
Sooooo I found this really cool vintage laptop from 1990 but unfortunately, the seller is missing the power adapter AND the connector is actually quite strange and not common at all, i found an adapter but it costs £60 which is way too much for a power adapter, so i thought i'll do this my way and solder a different connector, i do have some minimal soldering experience and a soldering iron so why the heck not, the problem is that the connector has 4 pins, i found what each pin is from pictures from the power supply, they go like this:
![bGmyZ9J.png](https://i.imgur.com/bGmyZ9J.png)
I have no idea what "RC" and "COM" are and if they are necessary but not only that, i can't make out which pin is negative and positive from this, so maybe you guys can explain what all that is and what my options are, can i just connect power and skip the other two pins?
Since it has four pins, i thought i'd get a female USB port to replace that weird port, kind of stupid but if i can figure out the wiring, it should work, right?
Thanks, hopefully you guys can help me figure this out