Category Archives: PC Hardware

Refurbishing Old Keyboards

Today I’m going to shift gears a bit and take a look at some retro PC keyboards.

keyboard1-0

I’m currently in the process of refurbishing a couple of old PCs, including a classic DEC brand 486 DX2 and a newer 2001 era AMD Athlon system. A lot of people see these machines as trash, but for me there is a lot of nostalgia around systems like this and I see value in trying to restore and maintain them.

One of the first problems I ran into when trying to test out these systems is that not all keyboards were created equally. There are several connector standards that have been used over the years including AT, PS2 and more recently, USB. I have always kept a couple of USB to PS2 adapters for occasions such as this, but to my surprise, three USB keyboards I tried were simply not functional when using the PS2 adapter. As it turns out, there needs to be some intelligence in the keyboard itself to know when it’s been plugged into a PS2 port in order to function based on that signalling standard. The only keyboard I could get to work with the adapter was my trusty DAS Keyboard, that I was not willing to move away from my main system.

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