: The PSR-E473 often works without additional drivers on Mac for MIDI, but for dedicated MIDI management, use the USB-MIDI Driver V1.5.1 (supports Apple Silicon and Intel). Connection Steps PSR-E473 61-key Portable Keyboard Downloads - Yamaha
This port serves two primary functions:
Yes, via the Apple Camera Connection Kit. The iPad uses CoreMIDI (no driver needed). The Yamaha driver discussed in this article is not applicable to iOS.
Here is why you should not rely on the generic Windows drivers:
for its integrated audio/MIDI interface capabilities and the standard Yamaha USB-MIDI Driver
