so I finally got it working, took me a while because freedos was being a pain (did not know about the adv mode installer), but after getting dos 7.1 installed alongside windows XP I can say it works fully in dos mode without issues.

hey I have a question. I recently got an opl3lpt, and I followed serge's instructions but for some reason my opl3lpt doesn't work on any machine's I've tried it on. no sound outputting despite having usb power. I've tried it on my modern computer which has a PCI-E parallel+Serial card, using freedos …