Andrew wrote:

The Natural Philosopher wrote:

Lindy will do you a serial parallel card that will plug into
most motherboard slots

Latest Intel M/Bs don't have PCI slots any longer, which means
the cheapest combo serial/parallel cards that once could be bought for
less than £10 are obsolete

https://www.ebay.co.uk/itm/PCIe-to-Dual-PCI/183847526278

At least you can still get combo PCI cards to provide a
serial port and parallel port though. Whether the latest
bios could cope is another matter.

Bios dont have to
OS will pick it up

Rubbish. The OS needs the bios to use the hardware

Not with PnP operating systems ...