ESI RoMI-O User Manual

ESI USB MIDI driver

ESI USB MIDI driver v1.0 Installation

Below installation procedure is for the ESI RoMI/O. However, Driver installation procedure is
same for M4U and M8U.

1. Windows XP/2003

Just plug the USB device, and run Romio.exe (M4U.exe, M8U.exe).
It's the Auto installation.

2. Windows 2000/ME

Don't plug the USB device before install the driver. Otherwise, your system will be

automatically rebooted.

1) Unplug the USB device from your system.

2) Run Romio.exe (M4U.exe, M8U.exe).
And click ‘Yes’ follow the instruction.

ESI USB MIDI driver

With Windows 2000 and XP installations, a message might appear stating “The software has not
passed Windows Logo testing to verify its compatibility with Windows XP.” Though the
message appeared, the driver is completely tested and verified by ESI and is safe to use. You
can ignore the message and just click ‘Yes’ .