Alesis Midiverb 3 – Version 1.01 Firmware Update OS upgrade Eprom for III M3 MV3


Firmware for Alesis Midiverb 3

SKU: FW-26 Category: Tags: , ,


Alesis Midiverb 3 firmware OS Version 1.01

This is firmware update 1.01 and is the latest known official released operation system by Alesis in 1990. This operation system update/upgrade requires one eprom chip as revealed in the  article`s photos and the chip will be labeled to help you locate the correct chip socket. For more info, please check below.

Features/improvements from earlier firmware to 1.01:

MIDI system exclusive dump request (F0 00 00 0E 03 02 F7) was not being responded to properly. Receiving this command will now cause the MIDIVERB III to send out a complete sysex dump of its programs.


  • Fully verified before shipping and professionally packaged in anti-static material.
  • The IC socket is located at U25