E-MU Proteus 2500 - Searching for OS...

How to reflash ROM with OS
If your command station is stuck Searching for OS...
*You still need to press and HOLD the Home/Enter button even if automatically goes to searching message
E-Loader 1.1 is used to upload both the OS and the OS prep file

This is the Proteus 2500 Command Station, but process is the same for XL-7, MP-7, etc.
Music is the DEMO from the unit itself

All files and info from:
https://www.emumania.net/emu-proteus-2500-command-module/