David Laight <david@l8s.co.uk> writes:

> I very much doubt as to whether anyone actually makes a USB to
> serial converter that would let you plug an old 'non USB aware'
> PS/2 keyboard into a USB socket.

Actually, such devices are plentiful, and usually let you plug in a
PS/2 mouse, too. They show up as USB HID devices and get attached as
ukbd and ums and generally work fine, for US$10-20.

        - Nathan