Ubuntu 20.04: No sound

[Ralf Mardorf]

On Wed, 20 May 2020 17:55:13 +0100, Grizzly via ubuntu-users wrote:
>There were ROM switchers, you removed the original ROM, plugged in a
>fly lead and/or small circuit board (depending on which switcher you
>had) then replaced the OLD rom "plus" a new one and could switch
>between, of cause you could "just" upgrade the rom to the later one,
>but an awful lot of software only worked on one or the other so the
>switcher was the best (if not only) choice  

You are right, this is how it's done for my C64.