S-10: Checking the ROM version April 13, 2023 06:29 Updated Follow The following procedure can be used to check the ROM version: 1) Power on holding PERFORMANCE and MIDI. Related articles S-1: How to Delete a group of notes Quick Disks for the S-10, S-220, MKS-100, MT-100 and PR-100. D-5, D-10, D-20: System Exclusive Data Transfer via MIDI JS-30: Technical Specifications S-1: Changing the MIDI channel