Yamaha FS1R – Version 1.20 Firmware OS Update Upgrade EPROM for FS1-R


SKU: FW-275 Category: Tags: , , ,


Yamaha FS1R Version 1.20 firmware OS update EPROM

This is firmware update 1.20 and is the latest official released operation system by Yamaha. This operation system update/upgrade requires one eprom chips as revealed in the  article`s photos and the chips will be labeled to help you locate the correct chip socket. For more info, please check below.


The OS v1.20 upgrade provides bug fixes related to midi communication and system code issues.


  • Fully verified before shipping and professionally packaged in anti-static material.
  • You can check current OS by holding [UTIL] and [Enter], while powering device.