Those are...uh...MIDI interfaces to connect MIDI-capable instruments and other MIDI devices to a computer. The likely need a driver and compatible software (e.g. an old version of Cubase) to be used. For music production, that is, either to send MIDI commands to instruments, or to receive MIDI commands.

flyers home page; all talk of windows. not sure how youd get it working under dos where mpu-401 was more important than for windows.

http://www.motu.com/products/midi/flyer

midiator home page;
again, windows only.

http://midiator.millsnovelty.com/parallel/index.html

You simply can wire MIDI Modules to RS232 Ports.
SoftMPU supports this and Roland offers a RS232 Driver for MIDI Modules. From Windows 9x up to 10.

yeah these are windows-only ... I have a couple my self. Not so useful outside music creation IMHO

keropi wrote:

yeah these are windows-only ... I have a couple my self. Not so useful outside music creation IMHO

Thanks to everyone for their replies. I was hoping these could be used to connect an external module (such as an MT-32) to a laptop, but that doesn't seem likely.

boxpressed wrote:

keropi wrote:

yeah these are windows-only ... I have a couple my self. Not so useful outside music creation IMHO

Thanks to everyone for their replies. I was hoping these could be used to connect an external module (such as an MT-32) to a laptop, but that doesn't seem likely.

Well, you can use them for that, but only if you actually want to use the module in music production. They aren't a drop-in game port replacement for MIDI music in DOS games.

Sure under windows you can connect a module and select it as the midi device. You can use windows apps/games and select the module for midi output. But under DOS it's not gonna happen - and I think even a dos prompt inside windows won't work either but give it a try

Here is a pic of my old K6 laptop with a LPT MPU 🤣