From this website I received a newer version of the MPU-401 driver than that which came with my Windows 3.1 installation. (That is, if my installation came with the driver).

http://www.houseofsynth.com/roland-mpu-midi-i … and-dos-drivers

I plan to so do a clean install, but can no longer download MPU401.zip from the website.

Does anyone have it?

Thank you!